tda7233 TDA7233D 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 tda7233/d is a monolithic integrated circuit in 8 pin minidip or so8 package, intended for use as class ab power amplifier with a wide range of supply voltage from 1.8v to 15v in portable play- ers, cordless telephones and cellular radios. this is advanced information on a new product now in development or undergoing evaluation. details are subject to change withou t notice. march 1995 test and application circuit note: switch open = mute switch closed = play minidip so8 ordering numbers: tda7233 TDA7233D 1/7
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 at t amb = 50 c1w t stg , t j storage and junction temperature C40 to 150 c thermal data symbol parameter so8 minidip unit r th j-amb thermal resistance junction-ambient max. 200 100 c/w pin connections (top views) minidip so8 tda7233 - TDA7233D 2/7
electrical characteristics (v s = 6 v, t amb = 25 c, unless otherwise specified) symbol parameter test condition min. typ. max. unit v s supply voltage 1.8 15 v v o quiescent out voltage 2.7 v v s = 3 v v s = 9 v 1.2 4.2 v v i d quiescent drain current mute high 3.6 9 ma mute low 0.4 i b input bias current 100 na p o output power d = 10 % f = 1 khz v s = 12 v r l = 8 w v s = 9 v r l = 4 w v s = 9 v r l = 8 w v s = 6 v r l = 8 w v s = 6 v r l = 4 w v s = 3 v r l = 4 w v s = 3 v r l = 8 w 1.9 1.6 1 0.4 0.7 110 70 w w w w w mw mw d distortion p o = 0.5 w f = 1 khz r l = 8 w v s = 9 v 0.3 % g v closed loop voltage gain f = 1 khz 39 db r in input resistance f = 1 khz 100 k w e n total input noise (r s = 10 k w ) b = curve a 2 m v b = 22 hz to 22 khz 3 svr supply voltage rejection f = 100 hz, r g = 10 k w 45 db mute attenuation v o = 1 v f = 100 hz to 10 khz 70 db mute threshold 0.6 v i m mute current v s = 15v 0.4 ma tda7233 - TDA7233D 3/7
figure 1: output power vs. supply voltage figure 2: supply voltage rejection vs. frequency figure 3: dc output voltage vs. supply voltage figure 4: quiescent current vs. supply voltage figure 5: total dissipated power vs. supply voltage tda7233 - TDA7233D 4/7
so8 package mechanical data dim. mm inch min. typ. max. min. typ. max. a1.750.069 a1 0.1 0.25 0.004 0.010 a2 1.65 0.065 a3 0.65 0.85 0.026 0.033 b 0.35 0.48 0.014 0.019 b1 0.19 0.25 0.007 0.010 c 0.25 0.5 0.010 0.020 c1 45 (typ.) d 4.8 5.0 0.189 0.197 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 f 3.8 4.0 0.15 0.157 l 0.4 1.27 0.016 0.050 m 0.6 0.024 s8 (max.) tda7233 - TDA7233D 5/7
minidip package mechanical data dim. mm inch min. typ. max. min. typ. max. a 3.32 0.131 a1 0.51 0.020 b 1.15 1.65 0.045 0.065 b 0.356 0.55 0.014 0.022 b1 0.204 0.304 0.008 0.012 d 10.92 0.430 e 7.95 9.75 0.313 0.384 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 f 6.6 0.260 i5.080.200 l 3.18 3.81 0.125 0.150 z1.520.060 tda7233 - TDA7233D 6/7
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 from its use. no license is granted by implication or otherwise under any patent or patent rights of sgs-thomson microelectronics. specifications men- tioned in this publi cation are subject to change without not ice. this publication sup ersedes and replaces all information previously supplied. sgs-thomson microelectronics products are not authorized for use as critical components in life support dev ices or systems without ex- press written approval of sgs-thomson microelectronics. ? 1995 sgs-thomson microelectronics - all rights reserved sgs-thomson microelectronics group of companies aust ralia - brazil - france - germany - hong kong - i taly - japan - korea - malay sia - malta - morocco - the nethe rlands singapore - spain - sweden - switzerland - taiwan - thaliand - united kingdom - u.s.a. tda7233 - TDA7233D 7/7
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