unisonic technologies co., tda2822h linear integrated circuit www.unisonic.com.tw 1 of 3 copyright ? 2013 unisonic technologies co., ltd qw-r107-016.c dual low voltage power amplifier ? description the utc tda2822h 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: v cc =1.8v~ 6v. *low crossover distortion. *low quiescent circuit current. *bridge/stereo c onfiguration. dip-8 sop-8 ? ordering information order number package packing lead free halogen free tda2822hl-d08-t tda2822hg-d08-t dip-8 tube tda2822hl-s08-t tda2822hg-s08-t sop-8 tube tda2822hl-s08-r TDA2822HG-S08-R sop-8 tape reel
tda2822h linear integrated circuit unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r107-016.c ? pin configuration ? pin description pin no pin name description 1 output 1 output of channel 1 2 v cc supply voltage 3 output 2 output of channel 2 4 gnd ground. 5 input 2(-) inverting input of channel 2 6 input 2(+) non-inverting input of channel 2 7 input 1 (+) non-inverting input of channel 1 8 input 1 (-) inverting input of channel 1 ? block diagram 7 8 6 5 4 3 1 2 output 1 output 2 v cc input1 (+) input1 (-) input2 (+) input2 (-) gnd + +
tda2822h linear integrated circuit unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r107-016.c ? absolute maximum ratings (t a =25 ? c, unless otherwise specified) parameter symbol ratings unit supply voltage v cc 15 v output peak current i o (p eak ) 1 a power dissipation t a =50 ? c dip-8 p d 1.0 w t c =50 ? c 1.4 w t a =50 ? c sop-8 0.5 w operating temperature t opr -20~+85 ? c storage temperature t stg -40 ~ +150 ? c ? electrical characteristics (t a =25 ? c, v cc =4.5v, btl parameter, unless otherwise specified) parameter symbol test conditions min typ max unit operating supply voltage v cc 1.8 6 v quiescent circuit current i ccq r l = ? 9 ma output offset voltage v os r l =8 ? ? 50 mv input base current i b 100 na output power p o f=1khz, thd=10% r l =32 ? v cc =6v 300 320 mw v cc =4.5v 200 v cc =3v 50 65 v cc =2v 8 r l =16 ? v cc =6v 600 v cc =3v 120 r l =8 ? v cc =4.5v 700 v cc =3v 220 r l =4 ? v cc =3v 200 350 total harmonic distortion thd po=0.5w, rl=8 ? , po=1khz 0.2 % closed loop voltage gain a vf f=1khz 39 db input resistance z in f=1khz 100 k ? total input noise e n rs=10k ? b=22hz ~ 22khz 3 v supply voltage rejection svr f=100hz 40 db power bandwidth bwp r l =8 ? , po=1w 120 khz
tda2822h linear integrated circuit unisonic technologies co., ltd 4 of 3 www.unisonic.com.tw qw-r107-016.c ? application circuit input1 input2 10k 100 f 0.1 f 4.7 4.7 0.1 f 470 f 10k 100 f 470 f v cc 470 f 0.01 f + + 4 5 6 8 7 2 1 3 + speaker speaker + + fig 1. stereo fig 2. bridge
tda2822h linear integrated circuit unisonic technologies co., ltd 5 of 3 www.unisonic.com.tw qw-r107-016.c 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 life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written 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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