View SA2104_5576807.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?13 block?diagram 3v?am/fm+mpx?tuner?ic(for?digital?tuning?system) sdip-24-300-1.778 ssop-24-300-0.65 description the? SA2104/SA2104s? are? single- chip? tuner? ics? that? incorporate fm/am?and?mpx?circuits,?which?are?designed?for?portable?radios?and?3v headphone?radios. the? SA2104/SA2104s? are? suitable? for? digital tuning? system applications.?fm?local?oscillation?voltage?is?set?up?low?relativity,?for?new fcc. features *?operating?supply?voltage?range:?v cc =1.8~10v?(t amb =25 c) *?for?new?fcc *?fm/am?and?mpx?integrated?in?a?single-chip. *?build?in?fm/am?if?count?buffer. fm:?1.3375mhz?(1/8?dividing) am:?450khz *?build?in?mute?circuit?for?if?count?output?according?to?field?strength. *?build?in?fm?mpx?vco?circuit *?build?in?fm/am?osc?buffer?output?for?dts?applications. *?build?in?am?low?cut?circuit *?build?in?stereo?indicator. *?low?supply?current.?(v cc =3v,?t amb =25 c) i ccq ?(fm)=11.0ma?(typ.) i ccq ?(am)=7.5ma?(typ.) ordering?information part?no. package SA2104 sdip-24-300-1.778 SA2104s ssop-24-300-0.65
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?13 maximum?ratings (t amb =25 c) parameter symbol rating unit maximum?supply?voltage v cc 14 v indicator?drive?current i led 10 ma indicator?voltage v led 8 v SA2104 1200 power?dissipation SA2104s p d ?(note) 500 mw operating?temperature t opr -20~+70 c storage?temperature t stg -40~+125 c note:?derated?above?tamb=25 c?in?the?proportion?of?9.6mw/ c?for?SA2104?of?4mw/ c?for?SA2104s. electrical??characteristics (unless?otherwise?specified,?t amb =25c,?v cc =3v,?f/e?:?f=98?mhz, fm=1?khz?,fm?if?:?f=10.7?mhz, d f?= 22.5?khz,?fm=?1?khz?.?am?:?f=1?mhz,?mod=30%,?fm=1?khz.?mpx:?fm=1khz) (to?be?continued) parameter symbol test?condition min. typ. max. unit i cc(fm) ?v in =0,?fm?mode -- 11.0 18 quiescent?current i cc(am) ?v in =0,?am?mode -- 7.5 14 ma input?limiting?voltage v in(lim) v in =60?db m v??emf -3db?limiting -- 10 -- db m v emf f/e local? osc buffer output?voltage v osc ?(buff) fm fosc=108.7mhz 23 35 -- mvrms input?limiting?voltage v in(lim) ?if v in =80db m v?emf -3db?limiting 35 38 47 db m v emf recovered?output?voltage v od ?v in =80db m v?emf 200 270 300? mvrms signal?to?noise?ratio s/n v in =80db m v?emf -- 75 -- db total?harmonic?distortion thd? v in =80db m v?emf -- 0.3 -- % am?rejection?ration amr?v in =80db m v?emf -- 60 -- db if?count?output frequency f if ?(fm) v in =80db m v?emf sw7:?on 1.3373 1.3375 1.3377 mhz if?count?output?voltage v if ?(fm) v in =80db m v?emf sw7:?on 200 260 -- mvp-p fm if if?count?output?sensitivity if?sens (fm) sw7:?on 40 45 50 db m v emf gain gv v in =27db m v?emf 20 38 70 mvrms recovered?output?voltage v od ?v in =60db m v?emf 60 90 120? mvrms signal?to?noise?ratio s/n v in =60db m v?emf -- 41 -- db total?harmonic?distortion thd? v in =60db m v?emf -- 0.7 -- % local? osc? buffer? output voltage v osc (buff) am fosc=1.45mhz 44 66 -- mvrms if?count?output?voltage v if ?(am) v in =60db m v?emf,?sw7:?on 200 250 -- mvp-p am if?count?output?sensitivity if?sens (am) sw7:?on 38 43 48 db m v emf
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?13 (continued) coil?data turns coil?no. test?freq. l ( m h) co (pf) qo 1-2 2-3 1-3 1-4 4-6 wire (mm ? ) l1?fm?rf 100mhz -- -- 79 -- -- -- 2 2 1 -- 0.16uew l2?fm?osc 100mhz -- -- 76 -- -- -- 2 -- 0.16uew t1?am?osc 796khz 268 -- 65 19 95 -- -- -- 0.05uew t2?am?ift 455khz -- 470 60 -- -- 109 -- 7 0.05uew parameter symbol test?condition min. typ. max. unit fm?mode -- 0.75 -- pin?(17)?output?resistance r17 am?mode -- 15.5 -- k w input?resistance rin? -- -- 55 -- k w output?resistance rout? -- -- 5 -- k w max.? composite? signal input?voltage vin?max (stereo) l+r=90%,?p=10%, sw3:? lpf? on? fm=1khz, thd=3% -- 700 -- mvrms fm=100hz -- 44 -- fm=1khz 35 44 -- separation sep l+r=180mvrms, p=20mvrms sw3:?lpf?on fm=10khz -- 44 -- db monaural thd (monaural) vin=200mvrms -- 0.3 -- total harmonic distortion stereo thd (stereo) l+r=180mvrms, p=20mvrms?sw3:?lpf?on -- 0.3 -- % voltage?gain gv vin=200mvrms -2.7 -1.2 0.2 db channel?balance c.b.? vin=200mvrms -1.5 0 1.5 db on vl?(on) -- 10 14 stereo led sensitivity off vl?(off) pilot?input(19khz) 5 8 -- mvrms stereo?led?hysteresis vh to? led? turn? off? from? led turn?on -- 2 -- mvrms capture?range c.r.? p=15mvrms -- 8 -- % mpx signal?to?noise?ratio s/n? vin=200mvrms -- 80 -- db muting?attenuation mute? vin=200mvrms -- 80 -- db
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?13 pin?configuration r f g n d f m r f i n m i x o u t v c c a m i f i n f m i f i n g n d a g c l p f 2 i f r e q s t l e d o s c o u t a m o s c l p f 1 m p x i n d e t o u t f m r f o u t f m o s c a m r f i n r f v c c l - o u t a m l o w c u t r - o u t q u a d pin?descriptions?and?quiescent??voltage pin?voltage?(typ.)?(v) pin no. symbol pin?description internal?circuit am fm 1 rf?gnd gnd?for?fm?osc?stage -- 0 0 2 fm-rfin fm-rf?input?pin. 0 0.8 3 am? low cut am? low? frequency? cut? down pin 1.0 -- 4 mix?out am/fm?mixer?output?pin. 3.0 0.5 5 vcc vcc?for?am,?fm?if,?fm mpx?stage -- 3.0 3.0 (to?be?continued)
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?13 (continued) pin?voltage?(typ.)?(v) pin no. symbol pin?description internal?circuit am fm 6 amif?in amif?input?pin. 2.3 2.5 7 fmif?in fmif?input. 3.0 3.0 8 gnd gnd?for?am,?fm?if,?fm mpx?stage. -- 0 0 9 agc auto?gain?control?pin. 0 0 10 quad fm?quad 2.5 2.2 11 12 r-out l-out right/left? channel? output port. 1.2 1.2 13 lpf2 lpf?terminal?for?phase detector bias?terminal?for?am/fm?sw circuit?v13=gnd ? am v13=open ? fm 0 2.2 (to?be?continued)
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?13 (continued) pin?voltage?(typ.)?(v) pin no. symbol pin?description internal?circuit am fm 14 lpf1 lpf?terminal?for synchronous?detector vco?stop?terminal v14=gnd ? vco?stop 0.7 2.4 15 mpx?in mpx?input?pin. 0.7 0.7 16 det?out fm/am?detector?output?pin. 1.0 0.9 17 if?req am/fm?if?output?pin. -- -- 18 st?led stereo?indicator. -- -- 19 osc?out am/fm?oscillator?output?pin. 4 0 0 ? 2.8 2.7 20 am?osc am?oscillator?input?pin. 3.0 3.0 21 fm?osc fm?oscillator?input?pin. 3.0 3.0 (to?be?continued)
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?13 (continued) pin?voltage?(typ.)?(v) pin no. symbol pin?description internal?circuit am fm 22 am?rf?in am?rf?input?pin. 3.0 3.0 23 rf?v cc (v cc ?for?fm?osc?stage) -- 3.0 3.0 24 fm?rf?out fm?rf?output?pin. 3.0 3.0 function?description application?note: 1. am?low-cut?circuit when?pin3?is?open,?no?af?signal?can?pass?through?the?amp?stage?because?of?the?common?mode. when?the?value?of?c3?that?connected?to?pin3?is?over?1uf,?all?af?signal?can?pass?through?the?amp?stage. the?cut-off?frequency?fl?is?determined?by?the?internal?resistance?22k w ?(typ.)?and?the?external?capacitor?c3?as below: c3 x 3 10 ?x 22 ?x ? ?x 2 1 f l = (hz) it? is? possible? to? reduce? the? recovered? output? level? at? am? mode,? by? additional? resistance? between? the? pin? (3) and?gnd?line. 2. fm?detection?circuit recommended?circuit?and?recommended?coil?are?as?follows.?(test?frequency?is?10.7m)
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?13 v cc 10 15pf 51pf q=45 3. fm/am?switch?and?forced?monaural?switch. mode vpin13 vpin14 am low?(vth=0.2v(typ.),?ith?30 m a(typ.)) / fm open / stereo / open forced?monaural / low(vth=0.2v(typ.),?ith?30 m a(typ.)) test?circuit
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?13 electrical?characteristics?curves
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?10?of?13 electrical?characteristics?curves ?(continued) r e s p o n s e ( d b ) 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 ( % ) r e c o v e r e d o u t p u t v o l t a g e v o d ( m v r m s ) 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 f c o u n t s e n s i t i v i t y i f s e n s ( d b - v e m f ) a m o s c b u f f e r o u t p u t v o l t a g e v o s c ( b u f f ) a m ( m v r m s ) i f c o u n t o u t p u t v o l t a g e v i f ( m v p - p ) i f c o u n t s e n s i t i v i t y i f s e n s ( d b - v e m f ) r e c o v e r e d o u t p u t v o l t a g e v o d ( d b ) s e p a r a t i o n s e p . ( d b ) 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 ( % ) r e c o v e r e d o u t p u t v o l t a g e v o d ( d b ) s u p p l y c u r r e n t i c c q ( m a ) i f c o u n t o u t p u t v o l t a g e v i f ( m v p - p )
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?11?of?13 characteristics?curves ?(continued)
SA2104/SA2104s hangzhou?silan?microelectronics?co.,ltd rev:2.0 2004.07.31 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?12?of?13 package?outline sdip-24-300-1.778 unit:?mm ssop-24-300-0.65 unit:?mm

▲Up To Search▲

Price & Availability of SA2104

	To Download SA2104 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .