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c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 a n p e c r e s e r v e s t h e r i g h t t o m a k e c h a n g e s t o i m p r o v e r e l i a b i l i t y o r m a n u f a c t u r a b i l i t y w i t h o u t n o t i c e , a n d a d v i s e c u s t o m e r s t o o b t a i n t h e l a t e s t v e r s i o n o f r e l e v a n t i n f o r m a t i o n t o v e r i f y b e f o r e p l a c i n g o r d e r s . 3 w s t e r e o c l a s s d a u d i o p o w e r a m p l i f i e r ( w i t h d c v o l u m e c o n t r o l ) a p a 2 6 0 3 f e a t u r e s g e n e r a l d e s c r i p t i o n a p p l i c a t i o n s l c d t v s d v d p l a y e r a c t i v e s p e a k e r s o p e r a t i n g v o l t a g e : 3 . 3 v - 5 . 5 v h i g h e f f i c i e n c y 8 5 % a t p o = 3 w , 4 w s p e a k e r , v d d = 5 v f i l t e r - f r e e c l a s s d a m p l i f i e r l o w s h u t d o w n c u r r e n t - i d d = 1 m a a t v d d = 5 v 6 4 s t e p s v o l u m e a d j u s t a b l e f r o m - 8 0 d b t o + 2 0 d b b y d c v o l t a g e w i t h h y s t e r e s i s o u t p u t p o w e r a t t h d + n = 1 % - 2.6w at v dd =5v ,r l =3 w - 2.4w at v dd =5v, r l =4 w - 1.4w at v dd =5v, r l =8 w output power at thd+n=1 0 % - 3.2w at v dd =5v ,r l =3 w - 3 w a t v d d = 5 v , r l = 4 w - 1 . 7 5 w a t v d d = 5 v , r l = 8 w l e s s e x t e r n a l c o m p o n e n t s r e q u i r e d t h e r m a l a n d o v e r - c u r r e n t p r o t e c t i o n s w i t h a u t o - r e c o v e r y p i n - t o - p i n c o m p a t i b l e a p a 2 0 6 9 a n d a p a 2 0 7 1 p o w e r e n h a n c e d p a c k a g e s s o p - 1 6 p & d i p - 1 6 lead free and green devices available (rohs compliant) s i m p l i f i e d a p p l i c a t i o n c i r c u i t t h e a p a 2 6 0 3 p r o v i d e s t h e p r e c i s e d c v o l u m e c o n t r o l , t h e g a i n r a n g e i s f r o m - 8 0 d b ( v v o l u m e = 5 v ) t o + 2 0 d b ( v v o l u m e = 0 v ) w i t h 6 4 s t e p s p r e c i s e c o n t r o l . i t ? s e a s y t o g e t t h e s u i t a b l e a m p l i f i e r ? s g a i n w i t h t h e 6 4 s t e p s g a i n s e t t i n g . t h e f i l t e r - f r e e a r c h i t e c t u r e e l i m i n a t e s t h e o u t p u t f i l t e r s c o m p a r e d t o t h e t r a d i t i o n a l c l a s s - d a u d i o a m p l i f i e r a n d r e d u c e s t h e e x t e r n a l c o m p o n e n t c o u n t s a n d t h e c o m p o - n e n t s h i g h . b e s i d e s , i t c a n s a v e t h e p c b s p a c e , s y s t e m c o s t , a n d s i m p l i f y t h e d e s i g n a n d t h e p o w e r l o s s a t f i l t e r . t h e a p a 2 6 0 3 a l s o i n t e g r a t e s t h e d e - p o p c i r c u i t r y t h a t r e - d u c e s t h e p o p s a n d c l i c k n o i s e s d u r i n g p o w e r o n / o f f o r s h u t d o w n e n a b l e p r o c e s s . t h e a p a 2 6 0 3 h a s b u i l d - i n , o v e r - c u r r e n t , a n d t h e r m a l p r o - t e c t i o n t h a t p r e v e n t t h e c h i p b e i n g d e s t r o y e d b y s h o r t c i r - c u i t o r o v e r t e m p e r a t u r e s i t u a t i o n . a p a 2 6 0 3 i s c a p a b l e o f d r i v i n g 3 w a t 5 v i n t o 4 w s p e a k e r . t h e e f f i c i e n c y c a n a r c h i v e 8 5 % a t r l = 4 w w h e n p o = 3 w a t v d d = 5 v . apa2603 stereo speakers routp routn loutn loutp rinn linn volume stereo input signals dc volume control t h e a p a 2 6 0 3 i s a s t e r e o , h i g h e f f i c i e n c y , f i l t e r - f r e e c l a s s - d a u d i o a m p l i f i e r a v a i l a b l e i n s o p - 1 6 p a n d d i p - 1 6 p a c k a g e s .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 a p a 2 6 0 3 p i n c o n f i g u r a t i o n a b s o l u t e m a x i m u m r a t i n g s ( n o t e 1 ) symbol parameter rating unit v dd supply voltage (vdd to gnd) - 0.3 to 6 input voltage (linn, rinn to gnd) - 0.3 to v dd +0.3 input voltage (sd, mute, volume and bypass to gnd) - 0.3 to v dd +0.3 v t j maximum junction temperature 150 t stg stora ge temperature range - 65 to +150 t s dr soldering temperature range , 10 seconds 260 o c p d power dissipation internally limited w o r d e r i n g a n d m a r k i n g i n f o r m a t i o n note : anpec lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with rohs. anpec lead-free products meet or exceed the lead-free requirements of ipc/jedec j - std-020d for msl classification at lead-free peak reflow temperature. anpec defines ?green? to mean lead-free (rohs compliant) and halogen free (br or cl does not exceed 900ppm by weight in homogeneous material and total of br and cl does not exceed 1500ppm by weight). sop-16p dip-16 gnd 5 bypass 2 gnd 4 13 gnd mute 8 15 vdd linn 6 12 gnd 14 routn rinn 3 16 routp 11 loutn 10 vdd volume 7 sd 1 9 loutp apa2603 gnd 5 gnd 4 13 gnd mute 8 15 vdd linn 6 12 gnd rinn 3 14 routn bypass 2 16 routp 11 loutn 10 vdd volume 7 sd 1 9 loutp apa2603 note 1: absolute maximum ratings are those values beyond which the life of a device may be impaired. exposure to absolute maximum rating conditions for extended periods may affect device reliability. thermal pad (connected the thermal pad to gnd plane for better dissipation = apa 2603 handling code temperature range package code xxxxx - date code assembly material apa2603 ka : apa2603 xxxxx package code ka : sop-16p j : dip-16 operating ambient temperature range i : -40 to 85 o c handling code tr : tape & reel tu : tube assembly material g : halogen and lead free device xxxxx - date code apa2603 j : apa2603 xxxxx
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 3 a p a 2 6 0 3 r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s symbol parameter range unit v dd supply voltage 3.3~5.5 v ih high l evel t hreshold v oltage sd , mute 2 ~ v dd v il low l evel t hreshold v oltage sd , mute 0~ 0.8 v icm common mode input voltage 1~ v dd - 1 v t a ambient t emperature range - 40~ 85 t j juncti on temperature range - 40~ 125 o c r l speaker resistance 2~ w t h e r m a l c h a r a c t e r i s t i c s symbol parameter typical value unit q ja thermal resistance - junction to ambient sop - 16p (note 2 ) dip - 16 (note 3 ) 45 q j c thermal resistance - junction to case sop - 16p (note 4 ) dip - 16 (note 5 ) 8 o c /w n o t e 2 : p l e a s e r e f e r t o ? l a y o u t r e c o m m e n d a t i o n ? , t h e t h e r m a l p a d o n t h e b o t t o m o f t h e i c s h o u l d s o l d e r e d d i r e c t l y t o t h e p c b ? s t h e r m a l p a d a r e a t h a t w i t h s e v e r a l t h e r m a l v i a s c o n n e c t t o t h e g r o u n d p l a n , a n d t h e p c b i s a 2 - l a y e r , 5 - i n c h s q u a r e a r e a w i t h 2 o z c o p p e r t h i c k n e s s . n o t e 3 : p l e a s e r e f e r t o ? l a y o u t r e c o m m e n d a t i o n ? , t h e t h e r m a l p i n ( p i n 4 . 5 . 1 2 . 1 3 ) o n t h e c e n t r a l o f t h e i c s h o u l d c o n n e c t t o t h e g r o u n d p l a n , a n d t h e p c b i s a 2 - l a y e r , 5 - i n c h s q u a r e a r e a w i t h 2 o z c o p p e r t h i c k n e s s . n o t e 4 : t h e c a s e t e m p e r a t u r e i s m e a s u r e d a t t h e c e n t e r o f t h e t h e r m a l p a d o n t h e u n d e r s i d e o f t h e s o p - 1 6 p p a c k a g e . n o t e 5 : t h e c a s e t e m p e r a t u r e i s m e a s u r e d a t t h e c e n t e r o f t h e t h e r m a l p i n o f t h e d i p - 1 6 p a c k a g e . e l e c t r i c a l c h a r a c t e r i s t i c s v dd =5v, gnd =0v, t a = 25 o c (unless otherwise noted) apa2603 symbol parameter test conditions min. typ. max. unit i dd supply current v mute = 0 v , v sd = 5 v , no load - 8 20 i mute supply current (mute mode) v mute = 5 v , v sd = 5 v , no load - 4 10 ma i sd supply current (mute mode) v mute = 0 v , v sd = 0 v , no l oad - 1 10 i i input c urrent sd , mute, volume - - 1 m a f osc oscillator frequency (v dd =3.3~5.5v, t a = - 40~85 o c) 400 500 600 khz r i(min) minimum input resistance a v =20db 36 43 50 k w p - channel pow er mosfet - 360 - v dd =5.5v, i l =0.8a n - channel power mosfet - 250 - p - channel power mosfet - 370 - v dd =4.5v, i l =0.6a n - channel power mosfet - 260 - p - channel power mosfet - 400 - r ds(on) static drain - source on - state resistance v dd =3.6v, i l =0.4a n - channel power mosfet - 270 - m w
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 4 a p a 2 6 0 3 e l e c t r i c a l c h a r a c t e r i s t i c s ( c o n t . ) apa2603 symbol parameter test conditions min. typ. max. unit t start - up start - up time from shutdown bypass capacitor, c 1 =2.2 m f - 1.2 2 s v dd = 5 v, t a =25 x c r l = 3 w 2.3 2.6 - r l = 4 w 2.1 2.4 - thd +n =1% f in =1 k hz r l = 8 w 1 1.4 - r l = 3 w 2.9 3.2 - r l = 4 w 2.5 3.0 - p o output power thd +n =1 0 % f in =1 k hz r l = 8 w 1.3 1.75 - w h efficiency r l = 4 w , p o =3w 80 85 - r l = 3 w , p o = 1.9 w - 0.2 0.4 r l = 4 w , p o = 1.7 w - 0.1 0.3 thd+n total harmonic distortion pl u s noise f in =1 k hz r l = 8 w , p o = 1 w - 0.08 0.2 % crosstalk channel separation p o =0.24w, r l =4 w , f in =1khz - - 100 - 60 f in = 100 hz - - 50 - 45 psrr power supply rejection ratio r l = 4 w , input ac - ground f in = 1k hz - - 55 - 50 snr signal to noise ratio with a - weighting filter p o = 0.96w, r l = 8 w 85 90 - att mute mute attenuation f in =1 k hz , r l = 8 w , v in = 1vpp - - 85 - 70 att shutdown shutdown attenuation f in =1 k hz , r l = 8 w , v in = 1vpp - - 110 - 100 db v n output noise w ith a - weight ing filter (a v =20db) - 75 100 m v rms v os output offset voltage r l = 4 w , a v =20db - 20 30 mv v dd = 3.6 v,t a =25 x c r l = 3 w - 1.3 - r l = 4 w - 1.2 - thd +n =1% f in =1 k hz r l = 8 w 0.5 0.7 - r l = 3 w - 1.6 - r l = 4 w - 1.5 - p o output power thd +n =1 0 % f in =1 k hz r l = 8 w - 0.9 - w h efficiency r l = 4 w , p o =1.5w 78 83 - r l = 3 w , p o = 1 w - 0.3 0.5 r l = 4 w , p o = 0.8 w - 0.2 0.4 thd+n total harmonic disto rtion p l us noise f in =1 k hz r l = 8 w , p o = 0.5 w - 0.1 0.3 % crosstalk channel separation p o =0.12w, r l =4 w , f in =1khz - - 60 f in = 100 hz - - 50 - 45 psrr power supply rejection ratio r l = 4 w , input ac - ground f in = 1k hz - - 55 - 50 snr signal to noise ratio w ith a - weight ing filter p o =0.5w, r l =8 w 80 85 - db v dd =5v, gnd =0v, t a = 25 o c (unless otherwise noted)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 5 a p a 2 6 0 3 e l e c t r i c a l c h a r a c t e r i s t i c s ( c o n t . ) apa2603 symbol parameter test conditions min. typ. max. unit v dd = 3.6 v,t a =25 x c (cont.) att mute mute attenuation f in =1 k hz , r l = 8 w, v in = 1vpp - - 85 - 70 att shutdown shutdown attenuation f in =1 k hz , r l = 8 w, v in = 1vpp - - 110 - 90 db v n output noise w ith a - weight ing filter (a v =20db) - 75 100 m v rms v os output offset voltage r l = 4 w , a v =20db - 20 30 mv v dd =5v, gnd =0v, t a = 25 o c (unless otherwise noted)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 6 a p a 2 6 0 3 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s e f f i c i e n c y v s . o u t p u t p o w e r ( 4 w ) e f f i c i e n c y v s . o u t p u t p o w e r ( 8 w ) t h d + n v s . o u t p u t p o w e r t h d + n v s . o u t p u t p o w e r e f f i c i e n c y ( % ) output power (w) v dd =5v r l =4 w +33 m h f in =1khz thd+n ?? 10% a v =20db aux-0025 aes-17(20khz) 0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 70 80 90 e f f i c i e n c y ( % ) output power (w) v dd =5v r l =8 w +33 m h f in =1khz thd+n ?? 10% a v =20db aux-0025 aes-17(20khz) 0 0.5 1.0 1.5 2.0 0 10 20 30 40 50 60 70 80 90 100 t h d + n ( % ) output power (w ) v dd =5v f in =1khz r l =4 w aux-0025 aes-17(20khz) sop-16p a v =12db a v =6db a v =20db 0.01 10 0.1 1 6m 4 10m 100m 1 2 t h d + n v s . o u t p u t p o w e r t h d + n v s . o u t p u t p o w e r 0.1 4 0.5 1 2 3 f in =1khz r l =4 w a v = 20 d b aux-0025 aes-17(20khz) sop- 16p 0.01 10 0.1 1 v dd =5.5v v dd =3.6v v dd =3.3v v dd =5v t h d + n ( % ) output power (w ) 60m 5 200m 500m 1 2 t h d + n ( % ) output power (w ) a v =12db a v =6db a v =20db 0.01 20 0.1 1 f in =1khz r l = 3 w aux-0025 aes-17(20khz) sop-16 p 60m 5 100m 500m 1 2 v dd =3.6v t h d + n ( % ) output power (w ) f in =1khz r l = 3 w a v =20db aux-0025 aes-17(20khz) sop-16 p v dd =5v v dd =5 .5 v v dd = 3.3 v 0.01 20 0.1 1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 7 a p a 2 6 0 3 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) t h d + n v s . f r e q u e n c y t h d + n v s . f r e q u e n c y t h d + n ( % ) frequency (hz ) v dd =3.6v p o =0.9w r l =4 w aux-0025 aes-17(20khz) sop-16p a v =20db,r-ch a v =20db,l-ch a v =10db,l-ch a v =10db,r-ch 20 20k 100 1k 10k 0.006 10 0.01 0.1 1 t h d + n ( % ) v dd =5.0v p o =1.8w r l =4 w aux-0025 aes-17(20khz) sop-16p a v =20db,l-ch a v =20db,r-ch a v =10db,l-ch a v =10db,r-ch frequency (hz ) 20 20k 100 1k 10k 0.001 10 0.01 0.1 1 t h d + n v s . o u t p u t p o w e r t h d + n v s . o u t p u t p o w e r output power (w ) t h d + n ( % ) vdd=5v f in =1khz r l =8 w aux-0025 aes-17(20khz) sop-16p a v =12db a v =6db a v =20db 0.01 10 0.1 1 6m 2 10m 100m 1 0.1 2 0.5 1 0.01 10 0.1 1 output power (w ) t h d + n ( % ) f in =1khz r l =8 w a v = 20 d b aux-0025 aes-17(20khz) sop- 16p v dd =5.5v v dd =3.6v v dd =3.3v v dd =5v t h d + n v s . f r e q u e n c y t h d + n v s . f r e q u e n c y 20 20k 100 1k 10k a v = 1 0db ,l-ch a v =20db , l -ch a v =10db , r -ch a v = 2 0db ,r-ch t h d + n ( % ) frequency (hz ) 0.001 10 0.01 0.1 1 v dd =5.0v p o = 2 w r l = 3 w aux-0025 aes-17(20khz) sop-16p 20 20k 100 1k 10k t h d + n ( % ) v dd = 3.3v , p o =0. 85w frequency (hz ) v dd = 5.5v , p o = 2.45w v dd = 5.0v , p o = 2w v dd = 3.6v , p o = 1w 0.001 10 0.01 0.1 1 v dd = 3.3/ 3.6 /5.0/5.5 v p o =0. 85/1/2/2.45 w r l = 3 w aux-0025 aes-17(20khz) sop-16 p
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 8 a p a 2 6 0 3 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) c r o s s t a l k v s . f r e q u e n c y c r o s s t a l k v s . f r e q u e n c y v dd =3.6v p o =0.5w r l =8 w aux-0025 aes-17(20khz) sop-16p a v =20db,r-ch to l-ch a v =20db,l-ch to r-ch a v =6db,l-ch to r-ch a v =6db,r-ch to l-ch c r o s s t a l k ( d b ) frequency (hz ) 20 20k 100 1k 10k -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 c r o s s t a l k ( d b ) frequency (hz ) v dd =5.0v p o =1w r l =8 w aux-0025 aes-17(20khz) sop-16p a v =20db,r-ch to l-ch a v =20db,l-ch to r-ch a v =6db,l-ch to r-ch a v =6db,r-ch to l-ch 20 20k 100 1k 10k -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 t h d + n v s . f r e q u e n c y t h d + n v s . f r e q u e n c y c r o s s t a l k v s . f r e q u e n c y c r o s s t a l k v s . f r e q u e n c y t h d + n ( % ) a v =20db,r-ch a v =20db,l-ch a v =10db,l-ch a v =10db,r-ch v dd =3.6v p o =0.5w r l =8 w aux-0025 aes-17(20khz) sop-16p frequency (hz ) 20 20k 100 1k 10k 0.001 10 0.01 0.1 1 v dd =3.6v p o =0.9w r l =4 w aux-0025 aes-17(20khz) sop-16p frequency (hz ) c r o s s t a l k ( d b ) a v =20db,r-ch to l-ch a v =20db,l-ch to r-ch a v =6db,l-ch to r-ch a v =6db,r-ch to l-ch 20 20k 100 1k 10k -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 c r o s s t a l k ( d b ) frequency (hz ) t t t t t t t v dd =5.0v p o =1.8w r l =4 w aux-0025 aes-17(20khz) sop-16p a v =20db,r-ch to l-ch a v =20db,l-ch to r-ch a v =6db,l-ch to r-ch a v =6db,r-ch to l-ch 20 20k 100 1k 10k -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 v dd =5.0v p o =0.9w r l =8 w aux-0025 aes-17(20khz) sop-16p a v =20db,l-ch a v =20db,r-ch a v =10db,l-ch a v =10db,r-ch t h d + n ( % ) frequency (hz ) 20 20k 100 1k 10k 0.001 10 0.01 0.1 1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 9 a p a 2 6 0 3 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) m u t e a t t e n u a t i o n v s . f r e q u e n c y s h u t d o w n a t t e n u a t i o n v s . f r e q u e n c y v dd =5.0v r l =4 w a v =20db v o =1vrms aux-0025 aes-17(20khz) sop-16p g a i n ( d b ) frequency (hz ) right channel left channel 20 20k 100 1k 10k -100 +0 -90 -80 -70 -60 -50 -40 -30 -20 -10 g a i n ( d b ) frequency (hz ) v dd =5.0v r l =4 w a v =20db v o =1vrms aux-0025 aes-17(20khz) sop-16p right channel left channel 20 20k 100 1k 10k -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 o u t p u t n o i s e v o l t a g e v s . f r e q u e n c y o u t p u t n o i s e v o l t a g e v s . f r e q u e n c y f r e q u e n c y r e s p o n s e f r e q u e n c y r e s p o n s e o u t p u t n o i s e v o l t a g e ( v r m s ) frequency (hz ) v dd =3.6v r l =8 w input ac ground aux-0025 aes-17(20khz) sop-16p a v =20db a v =14db a v =6db 20 20k 100 1k 10k 10 m 100 m 20 m 30 m 40 m 50 m 60 m 70 m 80 m 90 m a v =20db a v =14db a v =6db v dd =5.0v r l =8 w input ac ground aux-0025 aes-17(20khz) sop-16p frequency (hz ) o u t p u t n o i s e v o l t a g e ( v r m s ) 20 20k 100 1k 10k 10 m 100 m 20 m 30 m 40 m 50 m 60 m 70 m 80 m 90 m g a i n ( d b ) p h a s e ( d e g ) frequency (hz ) v dd =3.6v r l =8 w po=70mw aux-0025 sop-16p phase, a v =20db amplitude,a v =20db phase, a v =12db amplitude,a v =12db +0 +360 +100 +200 +300 10 100k 100 1k 10k +2 +22 +4 +6 +8 +10 +12 +14 +16 +18 +20 v dd =5.0v r l =8 w po=150mw aux-0025 sop-16p g a i n ( d b ) frequency (hz ) p h a s e ( d e g ) amplitude,a v =20db amplitude,a v =12db phase, a v =20db phase, a v =12db 10 100k 100 1k 10k +0 +360 +100 +200 +300 +2 +22 +4 +6 +8 +10 +12 +14 +16 +18 +20
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 0 a p a 2 6 0 3 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) p s r r v s . f r e q u e n c y g a i n v s . v o l u m e v o l t a g e dc volume voltage (v ) g a i n ( d b ) v dd =5.0v no load aux-0025 aes-17(20khz) gain down gain up -80 -60 -40 -20 0 20 0 1.0 2.0 3.0 4.0 5.0 s u p p l y c u r r e n t v s . v o l t a g e no load voltage (v ) s h u t d o w n c u r r e n t ( m a ) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 1.0 2.0 3.0 4.0 5.0 6.0 s h u t d o w n c u r r e n t v s . v o l t a g e no load voltage (v ) s u p p l y c u r r e n t ( m a ) 0 1.0 2.0 3.0 4.0 5.0 6.0 0 1.0 2.0 3.0 4.0 5.0 6.0 frequency (hz ) p s r r ( d b ) v dd =5.0v r l =8 w a v =20db v rr =0.2vrms input floating aux-0025 aes-17(20khz) sop-16p 20 20k 100 1k 10k -70 +0 -60 -50 -40 -30 -20 -10
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 1 a p a 2 6 0 3 p i n d e s c r i p t i o n pin no. name i/o/p function 1 sd i shutdown m ode c ontrol i nput, p lace e ntire ic in s hutdown m ode w hen h eld l ow. 2 bypass p bias voltage for power amplifiers. 3 rinn i n egative i nput of right channel power amplifier . 4,5,12,13 gnd p ground connecti on. 6 linn i n egative i nput of left channel power amplifier . 7 volume i to set the amplifier ? s gain by using the dc voltage. 8 mute i mute control signal input, hold low for normal operation, hold high to mute. 9 loutp o positive output of left channe l power amplifier. 10,15 vdd p power supply. 11 loutn o negative output of left channel power amplifier. 14 routn o negative output of right channel power amplifier. 16 routp o positive output of right channel power amplifier. t y p i c a l a p p l i c a t i o n c i r c u i t 4 gnd gnd 13 8 mute 5 gnd vdd 15 6 linn gnd 12 2 bypass routn 14 3 rinn routp 16 loutn 11 vdd 10 7 volume 1 sd loutp 9 apa2603 (top view) 0.1 m f c i1 0.1 m f shutdown control mute control 0.1 m f 10 m f v dd right channel input signal left channel input signal 4 w 4 w 1 m f c b 0.1 m f v dd r 1 50k w c i2 c s1 c s2 c s3
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 2 a p a 2 6 0 3 b l o c k d i a g r a m protection function gate drive gate drive routp vdd routn rinn oscillator volume linn shutdown control gate drive gate drive loutp vdd loutn volume control biases & reference mute control sd mute bypass bypass gnd
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 3 a p a 2 6 0 3 v o l u m e c o n t r o l t a b l e step gain low (%) high (%) recom (%) low (5v) high(5v) recom (5v) 1 20 0.00 2.50 0.00 0.000 0.125 0.00 2 19.6 2.00 3.98 2.99 0.100 0.199 0.15 3 19.2 3.48 5.46 4.47 0.174 0.273 0.22 4 18.8 4.96 6.94 5.95 0.248 0.347 0.30 5 18.4 6.44 8.42 7.43 0.322 0.4 21 0.37 6 18 7.92 9.90 8.91 0.396 0.495 0.45 7 17.6 9.40 11.38 10.39 0.470 0.569 0.52 8 17.2 10.88 12.86 11.87 0.544 0.643 0.59 9 16.8 12.36 14.34 13.35 0.618 0.717 0.67 10 16.4 13.84 15.82 14.83 0.692 0.791 0.74 11 16 15.32 17.30 16.31 0.766 0.865 0 .82 12 15.6 16.80 18.78 17.79 0.840 0.939 0.89 13 15.2 18.28 20.26 19.27 0.914 1.013 0.96 14 14.8 19.76 21.74 20.75 0.988 1.087 1.04 15 14.4 21.24 23.22 22.23 1.062 1.161 1.11 16 14 22.72 24.70 23.71 1.136 1.235 1.19 17 13.6 24.20 26.18 25.19 1.210 1 .309 1.26 18 13.2 25.68 27.66 26.67 1.284 1.383 1.33 19 12.8 27.16 29.14 28.15 1.358 1.457 1.41 20 12.4 28.64 30.62 29.63 1.432 1.531 1.48 21 12 30.12 32.10 31.11 1.506 1.605 1.56 22 11.6 31.60 33.58 32.59 1.580 1.679 1.63 23 11.2 33.08 35.06 34.07 1 .654 1.753 1.70 24 10.8 34.56 36.54 35.55 1.728 1.827 1.78 25 10.4 36.04 38.02 37.03 1.802 1.901 1.85 26 10 37.52 39.50 38.51 1.876 1.975 1.93 27 9.6 39.00 40.98 39.99 1.950 2.049 2.00 28 9.2 40.48 42.46 41.47 2.024 2.123 2.07 29 8.8 41.96 43.94 42.9 5 2.098 2.197 2.15 30 8.4 43.44 45.42 44.43 2.172 2.271 2.22 31 8 44.92 46.90 45.91 2.246 2.345 2.30 32 7.6 46.40 48.38 47.39 2.320 2.419 2.37 33 7.2 47.88 49.86 48.87 2.394 2.493 2.44 34 6.8 49.36 51.34 50.35 2.468 2.567 2.52 35 6.4 50.84 52.82 51.8 3 2.542 2.641 2.59 36 6 52.32 54.30 53.31 2.616 2.715 2.67 37 5.6 53.80 55.78 54.79 2.690 2.789 2.74 38 5.2 55.28 57.26 56.27 2.764 2.863 2.81 39 4.8 56.76 58.74 57.75 2.838 2.937 2.89
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 4 a p a 2 6 0 3 v o l u m e c o n t r o l t a b l e ( c o n t . ) step gain low (%) high (%) recom (%) low (5v) high(5v) recom (5v) 40 4.4 58.24 60.22 59.23 2.912 3.011 2.96 41 4 59.72 61.70 60.71 2.986 3.085 3.04 42 3.6 61.20 63.18 62.19 3.060 3.159 3.11 43 3.2 62.68 64.66 63.67 3.134 3.233 3.18 44 2.8 64.16 66.14 65.15 3.208 3.307 3.26 45 2.4 65.64 67.62 66.63 3.282 3.381 3.33 46 2 67.12 69.10 68.11 3.356 3.455 3.41 47 1.6 68.60 70.58 69.59 3.430 3.529 3.48 48 1.2 70.08 72.06 71.07 3.504 3.603 3.55 49 0.8 71.56 73.54 72.55 3.578 3.677 3.63 50 0.4 73.04 75.02 74.03 3.652 3.751 3.70 51 0 74.52 76.50 75.51 3.726 3.825 3.78 52 - 1 76.00 77.98 76.99 3.800 3.899 3.85 53 - 2 77.48 79.46 78.47 3.874 3.973 3.92 54 - 3 78.96 80.94 79.95 3.948 4.047 4.00 55 - 5 80.44 82.42 81.43 4.022 4.121 4.07 56 - 7 81.92 83.90 82.91 4.096 4.195 4.15 57 - 9 83.40 85.38 84.39 4.170 4.269 4.22 58 - 11 84.88 86.86 85.87 4.244 4.343 4.29 59 - 17 86.36 88.34 87.35 4.318 4.417 4.37 60 - 23 87.84 89.82 88.83 4.392 4.491 4.44 61 - 29 89.32 91.30 90.31 4.466 4.565 4.52 62 - 35 90.80 92.78 91.7 9 4.540 4.639 4.59 63 - 41 92.28 94.26 93.27 4.614 4.713 4.66 64 - 80 93.76 100 100.00 4.688 5.000 5.00
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 5 a p a 2 6 0 3 f u n c t i o n d e s c r i p t i o n class d operation f i g u r e 1 . t h e a p a 2 6 0 3 o u t p u t w a v e f o r m ( v o l t a g e & c u r r e n t ) t h e a p a 2 6 0 3 p o w e r a m p l i f i e r m o d u l a t i o n s c h e m e i s s h o w n i n f i g u r e 1 ; t h e o u t p u t s v o u t p a n d v o u t n a r e i n p h a s e w i t h e a c h o t h e r w h e n n o i n p u t s i g n a l s . w h e n o u t p u t > 0 v , t h e d u t y c y c l e o f v o u t p i s g r e a t e r t h a n 5 0 % a n d v o u t n i s l e s s t h a n 5 0 % ; w h e n o u t p u t < 0 v , t h e d u t y c y c l e o f v o u t p i s l e s s t h a n 5 0 % a n d v o u t n i s g r e a t e r t h a n 5 0 % . t h i s m e t h o d r e d u c e s t h e s w i t c h i n g c u r r e n t a c r o s s t h e l o a d a n d r e - d u c e s t h e i 2 r l o s s e s i n t h e l o a d t h a t i m p r o v e s t h e a m p l i f i e r ? s e f f i c i e n c y . t h i s m o d u l a t i o n s c h e m e h a s v e r y s h o r t p u l s e s a c r o s s t h e l o a d , t h i s m a k i n g t h e s m a l l r i p p l e c u r r e n t a n d v e r y l i t t l e l o s s o n t h e l o a d , a n d t h e l c f i l t e r c a n b e e l i m i n a t e d i n m o s t a p p l i c a t i o n s . a d d e d t h e l c f i l t e r c a n i n c r e a s e t h e e f f i c i e n c y b y f i l t e r t h e r i p p l e c u r r e n t . v outp v out (v outp -v outn ) i out i out output = 0v output > 0v i out output < 0v v outn v outp v outn v outn v outp v out (v outp -v outn ) v out (v outp -v outn ) bypass voltage the bypass voltage is equal to v dd /2, this voltage is for bias the internal preamplifier stages. the external ca- pacitor for this reference (c b ) is a critical component and serves several important functions. dc volume control function t h e a p a 2 6 0 3 h a s a n i n t e r n a l s t e r e o v o l u m e c o n t r o l t h a t s e t t i n g i s t h e f u n c t i o n o f t h e d c v o l t a g e a p p l i e d t o t h e v o l u m e i n p u t p i n . t h e a p a 2 6 0 3 v o l u m e c o n t r o l c o n s i s t s o f 6 4 s t e p s t h a t a r e i n d i v i d u a l l y s e l e c t e d b y a v a r i a b l e d c v o l t a g e l e v e l o n t h e v o l u m e c o n t r o l p i n . t h e r a n g e o f t h e s t e p s c o n t r o l l e d b y t h e d c v o l t a g e a r e f r o m + 2 0 d b t o - 8 0 d b . e a c h g a i n s t e p c o r r e s p o n d s t o a s p e c i f i c i n p u t v o l t a g e r a n g e , a s s h o w n i n t h e t a b l e . t o m i n i m i z e t h e e f f e c t o f n o i s e o n t h e v o l u m e c o n t r o l p i n , w h i c h c a n a f f e c t t h e s e l e c t e d g a i n l e v e l , h y s t e r e s i s a n d c l o c k d e l a y a r e i m p l e m e n t e d . t h e a m o u n t o f h y s t e r e s i s c o r r e s p o n d s t o h a l f o f t h e s t e p w i d t h , a s s h o w n i n t h e ? d c v o l u m e c o n - t r o l g r a p h ? . f o r t h e h i g h e s t a c c u r a c y , t h e v o l t a g e s h o w n i n t h e ? r e c - o m m e n d e d v o l t a g e ? c o l u m n o f t h e t a b l e i s u s e d t o s e l e c t a d e s i r e d g a i n . t h i s r e c o m m e n d e d v o l t a g e i s e x a c t l y h a l f w a y b e t w e e n t h e t w o n e a r e s t t r a n s i t i o n s . t h e g a i n s ? l e v e l a r e 0 . 4 d b / s t e p f r o m 2 0 d b t o 0 d b ; 1 d b / s t e p f r o m 0 d b t o - 3 d b ; 2 d b / s t e p f r o m - 3 d b t o - 1 1 d b a n d 6 d b / s t e p f r o m - 1 1 d b t o - 4 1 d b a n d t h e l a s t s t e p a t - 8 0 d b a s m u t e m o d e . mute operation w h e n p l a c e t h e l o g i c h i g h o n m u t e p i n , t h e a p a 2 6 0 3 ? s o u t p u t s r u n s a t a c o n s t a n t 5 0 % d u t y c y c l e , a n d t h e a p a 2 6 0 3 i s a t m u t e s t a t e . p l a c e t h e l o g i c l o w o n m u t e p i n e n a b l e s t h e o u t p u t s , a n d t h e o u t p u t c h a n g e s t h e d u t y c y c l e w i t h t h e i n p u t s i g n a l . t h i s p i n c o u l d b e u s e d a s a q u i c k d i s - a b l e / e n a b l e o f o u t p u t s w h e n c h a n g i n g c h a n n e l s o n a t e l e - v i s i o n o r t r a n s i t i o n i n g b e t w e e n d i f f e r e n t a u d i o s o u r c e s . t h e m u t e p i n s h o u l d n e v e r b e l e f t f l o a t i n g . w h e n m u t e p i n h o l d h i g h t o m u t e .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 6 a p a 2 6 0 3 f u n c t i o n d e s c r i p t i o n ( c o n t . ) shutdown operation i n o r d e r t o r e d u c e p o w e r c o n s u m p t i o n w h i l e n o t i n u s e , t h e a p a 2 6 0 3 c o n t a i n s a s h u t d o w n f u n c t i o n t o e x t e r n a l l y t u r n o f f t h e a m p l i f i e r b i a s c i r c u i t r y . t h i s s h u t d o w n f e a t u r e t u r n s t h e a m p l i f i e r o f f w h e n l o g i c l o w i s p l a c e d o n t h e s d p i n f o r a p a 2 6 0 3 . t h e t r i g g e r p o i n t b e t w e e n a l o g i c h i g h a n d l o g i c l o w l e v e l i s t y p i c a l l y 0 . 6 5 v . i t i s t h e b e s t t o s w i t c h b e t w e e n t h e g r o u n d a n d t h e s u p p l y v o l t a g e v d d t o p r o v i d e m a x i m u m d e v i c e p e r f o r m a n c e . b y s w i t c h i n g t h e s d p i n t o a l o w l e v e l , t h e a m p l i f i e r e n t e r s a l o w - c o n s u m p t i o n - c u r r e n t s t a t e , i d d f o r a p a 2 6 0 3 i s i n s h u t d o w n m o d e . o n n o r m a l o p e r a t i n g , a p a 2 6 0 3 ? s s d p i n s h o u l d p u l l t o a h i g h l e v e l t o k e e p t h e i c o u t o f t h e s h u t d o w n m o d e . t h e s d p i n s h o u l d b e t i e d t o a d e f i n i t e v o l t a g e t o a v o i d u n w a n t e d s t a t e c h a n g e . over-current protection t h e a p a 2 6 0 3 m o n i t o r s t h e o u t p u t c u r r e n t . w h e n t h e c u r - r e n t e x c e e d s t h e c u r r e n t - l i m i t t h r e s h o l d , t h e a p a 2 6 0 3 t u r n - o f f t h e o u t p u t s t a g e t o p r e v e n t t h e o u t p u t d e v i c e f r o m d a m - a g i n g i n o v e r - c u r r e n t o r s h o r t - c i r c u i t c o n d i t i o n . t h e i c w i l l t u r n - o n t h e o u t p u t b u f f e r a f t e r 1 m s . h o w e v e r , i f t h e o v e r - c u r r e n t o r s h o r t - c i r c u i t s c o n d i t i o n s t i l l r e m a i n s , i t e n t e r s t h e o v e r - c u r r e n t p r o t e c t i o n a g a i n . t h e s i t u a t i o n w i l l c i r - c u l a t e u n t i l t h e o v e r - c u r r e n t o r s h o r t - c i r c u i t s h a s b e i n g r e m o v e d . thermal protection t h e o v e r - t e m p e r a t u r e c i r c u i t l i m i t s t h e j u n c t i o n t e m p e r a - t u r e o f t h e a p a 2 6 0 3 . w h e n t h e j u n c t i o n t e m p e r a t u r e e x - c e e d s t j = + 1 5 0 o c , a t h e r m a l s e n s o r t u r n s o f f t h e o u t p u t b u f f e r , a l l o w i n g t h e d e v i c e s t o c o o l . t h e t h e r m a l s e n s o r a l l o w s t h e a m p l i f i e r t o s t a r t - u p a f t e r t h e j u n c t i o n t e m p e r a - t u r e d o w n a b o u t 1 2 5 o c . t h e t h e r m a l p r o t e c t i o n i s d e - s i g n e d w i t h a 2 5 o c h y s t e r e s i s t o l o w e r t h e a v e r a g e t j d u r i n g c o n t i n u o u s t h e r m a l o v e r l o a d c o n d i t i o n s , i n c r e a s - i n g l i f e t i m e o f t h e i c .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 7 a p a 2 6 0 3 a p p l i c a t i o n i n f o r m a t i o n square wave into the speaker a p p l y t h e s q u a r e w a v e i n t o t h e s p e a k e r m a y c a u s e t h e v o i c e c o i l o f s p e a k e r j u m p i n g o u t t h e a i r g a p a n d d e f a c i n g t h e v o i c e c o i l . h o w e v e r , t h i s d e p e n d s o n t h e a m p l i t u d e o f s q u a r e w a v e i s h i g h e n o u g h a n d t h e b a n d w i d t h o f s p e a k e r i s h i g h e r t h a n t h e s q u a r e w a v e ? s f r e q u e n c y . f o r 5 0 0 k h z s w i t c h i n g f r e q u e n c y , t h i s i s n o t i s s u e d f o r t h e s p e a k e r b e c a u s e t h e f r e q u e n c y i s b e y o n d t h e a u d i o b a n d a n d c a n ? t s i g n i f i c a n t l y m o v e t h e v o i c e c o i l , a s c o n e m o v e m e n t i s p r o p o r t i o n a l t o 1 / f 2 f o r f r e q u e n c y o u t o f a u d i o b a n d . input resistor, r i f o r a c h i e v i n g t h e 6 4 s t e p s g a i n s e t t i n g , i t v a r i e s t h e i n p u t r e s i s t a n c e n e t w o r k ( r i & r f ) o f a m p l i f i e r . t h e i n p u t r e s i s t o r ? s r a n g e f o r m s m a l l e s t t o m a x i m u m i s a b o u t 6 t i m e s . t h e r e f o r e , t h e i n p u t h i g h - p a s s f i l t e r ? s l o w c u t o f f f r e q u e n c y w i l l c h a n g e s i x t i m e s f r o m l o w t o h i g h . t h e c u t o f f f r e q u e n c y c a n b e c a l c u l a t e d b y e q u a t i o n 1 . input capacitor, c i i n t h e t y p i c a l a p p l i c a t i o n , a n i n p u t c a p a c i t o r , c i , i s r e q u i r e d t o a l l o w t h e a m p l i f i e r t o b i a s t h e i n p u t s i g n a l t o t h e p r o p e r d c l e v e l f o r o p t i m u m o p e r a t i o n . i n t h i s c a s e , c i a n d t h e i n p u t i m p e d a n c e r i f o r m a h i g h - p a s s f i l t e r w i t h t h e c o r n e r f r e q u e n c y d e t e r m i n e d i n t h e f o l l o w i n g e q u a t i o n : ( 1 ) i i ) c(highpass c r 2 1 f p = t h e v a l u e o f c i m u s t b e c o n s i d e r e d c a r e f u l l y b e c a u s e i t d i r e c t l y a f f e c t s t h e l o w f r e q u e n c y p e r f o r m a n c e o f t h e c i r c u i t . w h e r e r i i s 3 6 k w ( m i n i m u m ) a n d t h e s p e c i f i c a t i o n c a l l s f o r a f l a t b a s s r e s p o n s e d o w n t o 5 0 h z . t h e e q u a t i o n i s r e c o n f i g u r e d a s b e l o w : ( 2 ) c i i f r 2 1 c p = w h e n t h e i n p u t r e s i s t a n c e v a r i a t i o n i s c o n s i d e r e d , t h e c i i s 0 . 0 8 m f , s o a v a l u e i n t h e r a n g e o f 0 . 0 1 m f t o 0 . 0 2 2 m f w o u l d b e c h o s e n . a f u r t h e r c o n s i d e r a t i o n f o r t h i s c a p a c i - t o r i s t h e l e a k a g e p a t h f r o m t h e i n p u t s o u r c e t h r o u g h t h e i n p u t n e t w o r k ( r i + r f , c i ) t o t h e l o a d . t h i s l e a k a g e c u r r e n t c r e a t e s a d c o f f s e t v o l t a g e a t t h e i n p u t t o t h e a m p l i f i e r t h a t r e d u c e s u s e f u l h e a d r o o m , e s p e c i a l l y i n h i g h g a i n a p p l i c a t i o n s . f o r t h i s r e a s o n , a l o w - l e a k a g e t a n t a l u m o r c e r a m i c c a p a c i t o r i s t h e b e s t c h o i c e . w h e n p o l a r i z e d c a - p a c i t o r s a r e u s e d , t h e p o s i t i v e s i d e o f t h e c a p a c i t o r s h o u l d f a c e t h e a m p l i f i e r s ? i n p u t i n m o s t a p p l i c a t i o n s b e c a u s e t h e d c l e v e l o f t h e a m p l i f i e r s ? i n p u t s a r e h e l d a t v d d / 2 . p l e a s e n o t e t h a t i t i s i m p o r t a n t t o c o n f i r m t h e c a p a c i t o r p o l a r i t y i n t h e a p p l i c a t i o n . gain vs. input resistance gain (db) i n p u t r e s i s t a n c e ( k w ) 20 40 60 80 100 120 140 160 180 200 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 effective bypass capacitor, c b as with any power amplifier, proper supply bypassing is critical for low noise performance and high power supply rejection. the bypass capacitance sffects the startiup time. it is determined in the following wquation: the capacitor location on the bypass pin should be as close to the device as possible. the effect of a larger half bypass capacitor is improved psrr due to increased half-supply stability. the selection of bypass capacitors, especially c b , is thus dependent upon desired psrr requirements, click and pop performance. to avoid the start-up pop noise occurred, choose c i which is not larger than c b . t s t a r t - u p = 0 . 5 ( s e c / m f ) x c b + 0 . 2 ( s e c ) ( 3 )
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 8 a p a 2 6 0 3 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) f i g u r e 2 . f e r r i t e b e a d o u t p u t f i l t e r v on v op 4 w 1n f 1n f ferrite bead ferrite bead f i g u r e 3 a n d 4 a r e e x a m p l e s f o r a d d e d t h e l c f i l t e r ( b u t t e r w o r t h ) , i t ? s r e c o m m e n d e d f o r t h e s i t u a t i o n t h a t t h e t r a c e f o r m a m p l i f i e r t o s p e a k e r i s t o o l o n g a n d n e e d s t o e l i m i n a t e t h e r a d i a t e d e m i s s i o n o r e m i . f i g u r e 3 . l c o u t p u t f i l t e r f o r 8 w s p e a k e r outp outn 8 w 1 m f 36 m h 36 m h 1 m f f i g u r e 4 . l c o u t p u t f i l t e r f o r 4 w s p e a k e r outp outn 4 w 2.2 m f 18 m h 18 m h 2.2 m f f i g u r e 3 a n d 4 ? s l o w p a s s f i l t e r c u t - o f f f r e q u e n c y a r e 2 5 k h z ( f c ) . lc 2 1 f c(lowpass) p = ( 5 ) power-supply decoupling capacitor, c s t h e a p a 2 6 0 3 i s a h i g h - p e r f o r m a n c e c m o s a u d i o a m p l i - f i e r t h a t r e q u i r e s a d e q u a t e p o w e r s u p p l y d e c o u p l i n g t o e n s u r e t h e o u t p u t t o t a l h a r m o n i c d i s t o r t i o n ( t h d ) i s a s l o w a s p o s s i b l e . p o w e r s u p p l y d e c o u p l i n g a l s o p r e v e n t s t h e o s c i l l a t i o n s b e i n g c a u s e d b y l o n g l e a d l e n g t h b e - t w e e n t h e a m p l i f i e r a n d t h e s p e a k e r . ferrite bead selection i f t h e t r a c e s f o r m a p a 2 6 0 3 t o s p e a k e r a r e s h o r t , t h e f e r r i t e b e a d f i l t e r s c a n r e d u c e t h e h i g h f r e q u e n c y r a d i a t e d t o m e e t t h e f c c & c e r e q u i r e d . a f e r r i t e t h a t h a s v e r y l o w i m p e d a n c e a t l o w f r e q u e n c i e s a n d h i g h i m p e d a n c e a t h i g h f r e q u e n c i e s ( a b o v e 1 m h z ) i s r e c o m m e n d e d . i f t h e t r a c e s f o r m a p a 2 6 0 3 t o s p e a k e r a r e s h o r t , i t d o e s n ? t r e q u i r e o u t p u t f i l t e r f o r f c c & c e s t a n d a r d . a f e r r i t e b e a d m a y b e n e e d e d i f i t ? s f a i l i n g t h e t e s t f o r f c c o r c e t e s t e d w i t h o u t t h e l c f i l t e r . t h e f i g u r e 2 i s t h e s a m p l e f o r a d d e d f e r r i t e b e a d ; t h e f e r r i t e s h o w s c h o o s i n g h i g h i m p e d a n c e i n h i g h f r e q u e n c y . output low-pass filter
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 9 a p a 2 6 0 3 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) layout recommendation f i g u r e 5 . s o p - 1 6 p l a n d p a t t e r n r e c o m m e n d a t i o n f i g u r e 6 . d i p - 1 6 l a n d p a t t e r n r e c o m m e n d a t i o n 1 . a l l c o m p o n e n t s s h o u l d b e p l a c e d c l o s e t o t h e a p a 2 6 0 3 . f o r e x a m p l e , t h e i n p u t c a p a c i t o r ( c i ) s h o u l d b e c l o s e t o a p a 2 6 0 3 ? s i n p u t p i n s t o a v o i d c a u s i n g n o i s e c o u p l i n g t o a p a 2 6 0 3 ? s h i g h i m p e d a n c e i n p u t s ; t h e d e c o u p l i n g c a p a c i t o r ( c s ) s h o u l d b e p l a c e d b y t h e a p a 2 6 0 3 ? s p o w e r p i n t o d e c o u p l e t h e p o w e r r a i l n o i s e . 2 . t h e o u t p u t t r a c e s s h o u l d b e s h o r t , w i d e ( > 5 0 m i l ) a n d s y m m e t r i c . 3 . t h e i n p u t t r a c e s h o u l d b e s h o r t a n d s y m m e t r i c . 4 . t h e p o w e r t r a c e w i d t h s h o u l d g r e a t e r t h a n 5 0 m i l . 5 . t h e s o p - 1 6 p t h e r m a l p a d s h o u l d b e s o l d e r e d o n p c b , a n d t h e g r o u n d p l a n e n e e d s s o l d e r e d m a s k ( t o a v o i d s h o r t c i r c u i t ) e x c e p t t h e t h e r m a l p a d a r e a . a n d t h e d i p - 1 6 ? s p i n 4 , 5 , 1 2 , a n d 1 3 s h o u l d b e c o n n e c t e d t o t h e g r o u n d p l a n e f o r t h e r m a l t r a n s f o r m e r . 0.7mm 1.5mm via diameter = 0.5mm x 8 ground plane for thermalpad via diameter = 0.3mm x 6 1.27mm 4 . 0 m m 3.0mm 2.5mm 5.0mm 1.27mm via diameter = 0.3mm x 32 2.54mm 4.0mm 7.62mm 2.0 mm the optimum decoupling is achieved by using two differ- ent types of capacitors that target on different types of noise on the power supply leads. for higher frequency transients, spikes, or digital hash on the line, a good low equivalent-series-resistance (esr) ceramic capacitor, typically 0.1 m f placed as close as possible to the device vdd pin for works best. for filtering lower frequency noise signals, a large aluminum electrolytic capacitor of 10 m f or greater placed near the audio power amplifier is recommended. power-supply decoupling capacitor, c s (cont.)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 0 a p a 2 6 0 3 p a c k a g e i n f o r m a t i o n s o p - 1 6 p 0 l view a 0 . 2 5 seating plane gauge plane d e e 1 e h x 4 5 o c see view a b exposed pad d1 e 2 max. 0.069 0.006 0.050 0.020 0.010 0.020 2.00 3.50 0.31 0.17 0.25 0.40 e l h d1 e1 e2 e d c b 0.050 bsc 1.27 bsc 0.50 1.27 8 o 0.016 0.010 0.25 0.51 0.138 0.079 0.007 0.012 1.25 0.00 min. millimeters s y m b o l a2 a1 a sop-16p max. 1.75 0.15 min. 0.000 0.049 inches 4.50 3.00 0.177 0.118 note : 1. follow from jedec ms-012 bc. 2. dimension "d" does not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not exceed 6 mil per side. 3. dimension "e" does not include inter-lead flash or protrusions. inter-lead flash and protrusions shall not exceed 10 mil per side. q 0 o 8 o 0.394 0.386 0.150 0.157 0.244 0.228 9.80 10.00 3.80 4.00 5.80 6.20 0 o a a 2 a 1 nx aaa c aaa 0.10 0.004
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 1 a p a 2 6 0 3 p a c k a g e i n f o r m a t i o n d i p - 1 6 note : 1. followed from jedec ms-001ab 2. dimension d, d1 and e1 do not include mold flash or protrusions. mold flash or protrusions shall not exceed 10 mil. s y m b o l min. max. 5.33 0.38 0.36 0.56 1.14 1.78 0.20 0.35 18.6 20.31 0.13 2.92 3.81 a a1 b b2 c d d1 e e1 e ea millimeters a2 2.92 4.95 2.54 bsc dip-16 7.62 8.26 6.10 7.11 eb l 10.92 7.62 bsc min. max. inches 0.210 0.015 0.100 bsc 0.300 bsc 0.115 0.195 0.014 0.022 0.045 0.070 0.008 0.014 0.732 0.800 0.005 0.300 0.325 0.240 0.280 0.430 0.115 0.150 d e 1 0 . 3 8 c ea eb e a 2 a 1 a l b b2 e d1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 2 a p a 2 6 0 3 application a h t1 c d d w e1 f 330.0 ? 2.00 50 min. 16.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 16.0 ? 0.30 1.75 ? 0.10 7.5 ? 0.10 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 sop - 16p 4.0 ? 0.10 8.0 ? 0.10 2.0 ? 0.10 1.5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0. 40 6.40 ? 0.20 10.30 ? 0.20 2.10 ? 0.20 (mm) c a r r i e r t a p e & r e e l d i m e n s i o n s package type unit quantity sop - 16p tape & reel 2500 d e v i c e s p e r u n i t a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1 h t1 a d
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 3 a p a 2 6 0 3 t a p i n g d i r e c t i o n i n f o r m a t i o n s o p - 1 6 p c l a s s i f i c a t i o n p r o f i l e user direction of feed
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 4 a p a 2 6 0 3 profile feature sn - pb eutectic assembly pb - free assembly preheat & soak temperature min (t smin ) temperature max (t smax ) time (t smin to t smax ) ( t s ) 100 c 150 c 60 - 120 seconds 150 c 200 c 60 - 1 2 0 seconds average ramp - up rate (t smax to t p ) 3 c/second ma x. 3 c/second max. liquidous temperature ( t l ) time at l iquidous (t l ) 183 c 60 - 150 seconds 217 c 60 - 150 seconds peak package body temperature (t p ) * see classification temp in table 1 see classification temp in table 2 time (t p ) ** within 5 c of the spe cified c lassification t emperature ( t c ) 2 0 ** seconds 3 0 ** seconds average r amp - down rate (t p to t smax ) 6 c/second max. 6 c/second max. time 25 c to p eak t emperature 6 minutes max. 8 minutes max. * tolerance for peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. ** tolerance for time at peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. c l a s s i f i c a t i o n r e f l o w p r o f i l e s table 1. snpb eutectic process ? classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 235 c 22 0 c 3 2.5 mm 220 c 220 c table 2. pb - free process ? classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 350 - 2000 volume mm 3 >2000 <1.6 mm 260 c 260 c 260 c 1.6 mm ? 2.5 mm 260 c 250 c 245 c 3 2.5 mm 250 c 245 c 245 c r e l i a b i l i t y t e s t p r o g r a m test item method description solderability jesd - 22, b102 5 sec, 245 c holt jesd - 22, a108 1000 hrs, bias @ t j =125 c pct jesd - 22, a102 168 hrs, 100 % rh, 2atm , 121 c tct jesd - 22, a104 500 cycles, - 65 c~150 c hbm mil - std - 883 - 3015.7 vhbm ? 2kv mm jesd - 22, a1 15 vmm ? 200v latch - up jesd 78 10ms, 1 tr ? 100ma
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - m a r . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 5 a p a 2 6 0 3 c u s t o m e r s e r v i c e a n p e c e l e c t r o n i c s c o r p . head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan tel : 886-3-5642000 fax : 886-3-5642050 t a i p e i b r a n c h : 2 f , n o . 1 1 , l a n e 2 1 8 , s e c 2 j h o n g s i n g r d . , s i n d i a n c i t y , t a i p e i c o u n t y 2 3 1 4 6 , t a i w a n t e l : 8 8 6 - 2 - 2 9 1 0 - 3 8 3 8 f a x : 8 8 6 - 2 - 2 9 1 7 - 3 8 3 8

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