TDA7233S 1w audio amplifier with mute operating voltage 1.8 to 15v external mute or power down function improved supply voltage rejection low quiescent current high power capability low crossover distortion description the TDA7233S is a monolithic integrated circuit in sip 9, intended for use as class ab power am- plifier with a wide range of supply voltage from 1.8v to 15v in portable radios, cassette recorders and players. may 1997 test and application circuit sip9 ordering number: TDA7233S mute switch condition open closed mute play 1/6
absolute maximum ratings symbol parameter value unit v s supply voltage 16 v i o output peak current 1 a p tot total power dissipation t amb = 50 c1w t stg , t j storage and junction temperature -40 to 150 c thermal data symbol description value unit r th j-amb r th j-case thermal resistance junction-ambient thermal resistance junction-pins max max 70 10 c/w c/w pin connection (top view) TDA7233S 2/6
electrical characteristics (v s = 6v, t amb = 25c, unless otherwise specified) symbol parameter test condition min. typ. max. unit v s supply voltage 1.8 15 v v o quiescent output voltage 27 v v s = 3v v s = 9v 1.2 4.2 v v i d quiescent drain current play 3.6 9 ma mute 0.4 ma i b input bias current 100 na p o output power d = 10% f = 1khz v s = 12v r l = 8 w v s = 9v r l = 4 w v s = 9v r l = 8 w v s = 6v r l = 8 w v s = 6v r l = 4 w v s = 3v r l = 4 w v s = 3v r l = 8 w 0.8 0.45 1.9 1.6 1 0.4 0.7 110 70 w w w w w mw mw d distortion p o = 0.5w r l = 8 w f = 1khz v s = 9v 0.3 % g v closed loop voltage gain f = 1khz 39 db r in input resistance f = 1khz 100 k w e n total input noise (r s = 10k w ) b = curve a 2 m v m v b = 22hz to 22khz 3 svr supply voltage rejection r g = 10k w f = 100hz 40 45 db mute attenuation v o = 1v, f = 100hz to 10khz 70 db mute threshold 0.6 v i m mute current v s = 15v 0.4 2 ma figure 1: output power vs. supply voltage figure 2: supply voltage rejection vs. frequency TDA7233S 3/6
figure 3: dc output voltage vs. supply voltage figure 4: quiescent current vs. supply voltage figure 5: total dissipated power vs. supply volt- age TDA7233S 4/6
d n m l1 19 d1 l3 l2 la1 e3 b3 b1 b ec1 a c2 c p l4 sip9 b3 sip9 package mechanical data dim. mm inch min. typ. max. min. typ. max. a 7.1 0.280 a1 2.7 3 0.106 0.118 b 23 0.90 b3 24.8 0.976 b1 0.5 0.020 b3 0.85 1.6 0.033 0.063 c 3.3 0.130 c1 0.43 0.017 c2 1.32 0.052 d 21.2 0.835 d1 14.5 0.571 e 2.54 0.100 e3 20.32 0.800 l 3.1 0.122 l1 3 0.118 l2 17.6 0.693 l3 0.25 0.010 l4 17.4 17.85 0.685 0,702 m 3.2 0.126 n 1 0.039 p 0.15 0.006 TDA7233S 5/6
information furnished is believed to be accurate and reliable. however, sgs-thomson microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of sgs-thomson microelectronics. specification mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously s upplied. sgs- thomson microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of sgs-thomson microelectronics. ? 1997 sgs-thomson microelectronics C printed in italy C all rights reserved sgs-thomson microelectronics group of companies australia - brazil - canada - china - france - germany - hong kong - italy - japan - korea - malaysia - malta - morocco - the n etherlands - singapore - spain - sweden - switzerland - taiwan - thailand - united kingdom - u.s.a. TDA7233S 6/6
|
