unisonic technologies co.,ltd. tda2822 linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2005 unisonic technologies co.,ltd. qw-r107-006.f dual low voltage power amplifier ? description the utc tda2822 is a monolithic integrated audio amplifier in a 8-pin plastic dual in line package. it is designed for portable cassette players and radios. ? features *wide operating supply voltage: vcc=1.8v- 12v. *low crossover distortion. *low quiescent circuit current. *bridge/stereo configuration. dip-8 sop-8 *pb-free plating product number: tda2822l ? ordering information order number normal lead free plating package packing TDA2822-S08-R tda2822l-s08-r sop-8 tape reel tda2822-s08-t tda2822l-s08-t sop-8 tube tda2822-d08-t tda2822l-d08-t dip-8 tube
tda2822 linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r107-00 6 .f ? pin configurations ? block diagram 7 8 6 5 4 3 1 2 output1 output2 vcc input1 np1 input2 np2 gnd + +
tda2822 linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r107-00 6 .f ? absolute maximum ratings (ta=25 c) parameter symbol ratings unit supply voltage v cc 15 v output peak current i o (peak) 1 a dip-8 1.0 power dissipation sop-8 p d 0.5 w operating temperature t opr -20~+85 c storage temperature t stg -40~+150 c note:1. absolute maximum ratings are stress ratings only and functional device operation is not implied. the device could be damaged beyond absolute maximum ratings. 2. the device is guaranteed to meet performance specifications within 0 ~70 operating temperature range and assured by design from -20 ~ 85 ? electrical characteristics (ta=25 c, v cc =6v, f=1khz, unless otherwise specified) parameter symbol test conditions min typ max unit operating supply voltage v cc 1.8 12 v quiescent circuit current i cc v in =0 9 ma stereo 40 db closed loop voltage gain bridge g vc 40 db channel balance cb stereo -1 0 1 db dip-8 0.4 0.65 sop-8 v cc =6v,r l =4 , thd=10% 0.28 0.45 w dip-8 0.11 output power(stereo) sop-8 p out v cc =3v,r l =4 , thd=10% 0.07 w dip-8 0.9 1.35 sop-8 v cc =6v,r l =4 , thd=10% 0.63 0.94 w dip-8 0.35 output power (bridge) sop-8 p out v cc =3v,r l =4 , thd=10% 0.24 w stereo r l =8 , p out =0.2w 0.5 % total harmonic distortion bridge thd r l =8 , p out =0.5w 0.5 % ripple rejection rr stereo, f=100hz,c3=100 f 24 30 db output noise voltage en stereo, bw(-3db)=20hz ~20khz 0.5 2.0 mv cross talk c t stereo, f=1khz 50 db input resistance r in 100 k
tda2822 linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r107-00 6 .f ? test circuit stereo input1 input2 r1 10k c1 100 f rl c6 0.1 f r3 4.7 r4 4.7 c7 0.1 f rl c5 470 f r2 10k c2 100 f c3 100 f v cc c4 470 f 1 2 3 4 5 6 7 8 bridge input1 r1 10k rl c2 0.1 f r2 4.7 r3 4.7 c3 0.1 f c5 100 f v cc c4 0.01 f c1 10 f 1 2 3 4 5 6 7 8
tda2822 linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r107-00 6 .f ? schematic diagram ? typical characteristics 40 30 20 10 0 10 100 30 300 1000 3000 frequency (hz) 04 81216 supply voltage (v) 2 4 6 8 quiescent current (ma) ripple rejection (db) c1=c2 =100 f c1=c2 =22 f utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in lif e support appliances, devices or systems where malfunction of these products can be reasonably expe cted to result in personal injury. reproduction in whole or in part is prohibited without the prior writ ten consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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