unisonic technologies co., ltd tda7053a linear integrated circuit www.unisonic.com.tw 1 of 7 copyright ? 2015 unisonic technologies co., ltd qw-r107-022.c stereo btl audio output amplifier with dc volume control ? description the utc tda7053a is stereo btl output amplifiers with dc volume control and specially is designed for use in tv and monitors, but are also suitable for battery-fed portable recorders and radios. different packages are supplied for different output power, dip-16 for 21w and sop-16 for 20.5w. ? features * dc volume control * few external components * mute mode * thermal protection * short-circuit proof * no switch-on and switch-off clicks * good overall stability * low power consumption * low hf radiation * esd protected on all pins. dip-16 sop-16 ? ordering information ordering number lead free halogen free package packing tda7053al-d16-t TDA7053AG-D16-T dip-16 tube - tda7053ag-s16-r sop-16 tape reel ? marking dip-16 sop-16
tda7053a linear integrated circuit unisonic technologies co., ltd 2 of 7 www.unisonic.com.tw qw-r107-022.c ? pin configuration out1+ nc pgnd1 out1- out2- nc pgnd2 out2+ nc vc1 v in (1) nc v cc v in (2) sgnd vc2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ? pin description pin no. symbol descripton 1 nc no connection 2 vc1 dc volume control 1 3 nc no connection 4 v in (1) voltage input 1 5 v cc positive supply voltage 6 v in (2) voltage input 2 7 sgnd signal ground 8 vc2 dc volume control 2 9 out2+ positive output 2 10 pgnd2 power ground 2 11 nc no connection 12 out2- negative output 2 13 out1- negative output 1 14 pgnd1 power ground 1 15 nc no connection 16 out1+ positive output 1
tda7053a linear integrated circuit unisonic technologies co., ltd 3 of 7 www.unisonic.com.tw qw-r107-022.c ? block diagram temperature protection stabilizer v ref + v cc 5 4 2 6 8 input 1 dc volume control 1 input 2 dc volume control 2 not connected 1,3,11,15 7 14 10 signal ground power ground1 power ground2 i + i i - i 12 9 positive output2 negative output2 i - i i + i 16 13 positive output1 negative output1 channel 1 channel 2
tda7053a linear integrated circuit unisonic technologies co., ltd 4 of 7 www.unisonic.com.tw qw-r107-022.c ? absolute maximum ratings parameter symbol ratings unit supply voltage v cc 18 v repetitive peak output current i orm 1.25 a non- repetitive peak output current i osm 1.5 a dip-16 2.5 w total power dissipation (t a Q 25c) sop-16 p d 1.32 w short-circuit time t sc 1 hr input voltage pins 2, 4, 6 and 8 v in 5 v junction temperature t j +125 c operating ambient temperature t opr -20~+85 c storage temperature t stg -40~+150 c notes: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only an d functional device operat ion is not implied. 2. the device is guaranteed to meet performance specification within 0c ~ +70c operating temperature range and assured by design from ?20c ~ +85c. ? thermal data parameter symbol ratings unit dip-16 50 k/w thermal resistance from junction to ambient in free air sop-16 ja 95 k/w ? electrical characteristics (v cc = 6v, ta= 25 , f in =1khz, unless otherwise specified) parameter symbol test conditons min typ max unit supply voltage v cc 4.5 18 v total quiescent current (note) i q v cc =6v, r l = 22 25 ma maximum gain: v2,8 1.4 v dip-16 thd=10%, r l = 8 ? 1.0 1.1 w output power sop-16 p out thd=10%, r l = 16 ? 0.5 0.55 w dip-16 p out =0.5w 0.3 1 % total harmonic distortion sop-16 thd p out =0.25w 0.3 1 % voltage gain g v 39.5 40.5 41.5 db input signal handling (rms value) v in(rms) gv=0db, thd<1% 1 v noise output voltage en f in =500khz, r s =0 ? , bw=5khz 210 v bandwidth bw at-1db 20hz ~ 300khz(typ.) hz supply voltage ripple rejection rr v in(rms) = 200mv, r s = 0 ? , f in = 100hz~10khz 34 38 db dc output offset voltage v o(off) | v 16 ~v 13 | and | v 12 ~v 9 | 0 200 mv input impedance (pins 4 and 6) z in 15 20 25 k ? channel separation cs r s =5k ? 40 db v dc1 = v dc2 1 db channel unbalance | g v | g 1 =0db, v dc1 = v dc2 1 db mute position: v 2 , 8 = 0.4 v 30 mv output voltage in mute position v o(mute) v in =1.0v, rs = 5 k ? 30 40 v dc volume control gain control g c 68.5 73.5 db volume control current i dc v 2 =v 8 =0v -20 -25 -30 a notes: with a load connected to the ou tputs the quiescent current will increase , the maximum value of this increase being equal to the dc output offset voltage divided by r l .
tda7053a linear integrated circuit unisonic technologies co., ltd 5 of 7 www.unisonic.com.tw qw-r107-022.c ? test and application diagram circuits temperature mcl protection stabilizer v cc =6v 5 4 2 6 8 input 1 input 2 7 10 14 signal ground power ground i + i i - i 12 9 i - i i + i 16 13 100nf 220 f (1) + (2) + - (2) 470nf rs 5k rs 5k 470nf dc- volume - + - + maximum voltage gain 34 db 2,8 1m 1 f volume control + (1) this capacitor can be omitted if the 220 f electrolytic capacitor is connected close to pin 5. (2) r l = 8 + - maximum voltage gain 40 db 2,8 22k 1 f volume control + 56k v cc =6v
tda7053a linear integrated circuit unisonic technologies co., ltd 6 of 7 www.unisonic.com.tw qw-r107-022.c ? typical characteristics thd as a function of output power quiescent current as a function of voltage 10 -2 1 10 0 8 p out (w) 12 0 8 10 412 20 0 30 v cc (v) 40 4 thd (%) (2) (3) (1) 20 16 i q (ma) (2) 10 -1 (1) v cc =4.5v (2) v cc =6v, r l =8 (3) v cc =12v, r l =25 thd as a function of frequency output power as a function of supply voltage f (khz) v cc (v) p out (w) 10 -2 1 2 0 8 10 4 6 thd (%) 10 -1 10 10 2 (1) (2) 0 8 0.5 412 0 2.0 2.5 1.5 16 1.0 (1) (2) (3) (1)gv=30db,p out =0.1w (2)gv=40db,p out =0.1w (1)r l = 8 (2)r l =16 (3)r l =25 0 0.8 -80 voltage gain as a function of volume control voltage 0.4 1.2 2.0 40 v vc (v) 80 0 1.6 gv (db) -40 -120 total worst wase power dissipation as a function of supply voltage v cc (v) p diss (w) 0 8 412 0 3 4 2 16 1 (1) (2) (3) (1) r l =8 (2) r l =16 (3) r l =25
tda7053a linear integrated circuit unisonic technologies co., ltd 7 of 7 www.unisonic.com.tw qw-r107-022.c ? typical characteristics(cont.) rr as a function of frequency f (khz) 10 -2 1 -80 -20 0 -60 -40 rr(db) 10 -1 10 10 2 (1) (2) noise voltage as a function of volume control voltage (1) vdc=1.4v, vripple=0.2v (2) vdc=1.4v, vripple=0.2v 0 0.8 0.4 1.2 2.0 v vc (v) 1 1.6 gv (db) 10 -1 10 -2 f=22hz ~ 22khz input signal handling 0 8 0.4 412 20 1.6 v cc (v) 2.0 1.2 16 0.8 0 0 0.8 -20 0.4 1.2 2.0 20 v vc (v) 30 10 1.6 i vc ( a) 0 -30 -10 v in (v) thd=1% volume control current as a function of volume control voltage 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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