unisonic technologies co., ltd tda7265 linear integrated circuit www.unisonic.com.tw 1 of 9 copyright ? 2013 unisonic technologies co., ltd qw-r107-066.b 25 w +25 w stereo amplifier with mute & stand-by ? description the utc tda7265 is a stereo 25+25w class ab dual audio power amplifier with mute and st-by control. this ic provides high output power of 25 watts per channel (at v cc =20v, f=1khz, thd=10%, r l = 8 ? ). it has low i q at stand-by mode and no pop at turn on or off. ? features * high output power: p out =25 w/channel (typ.) v cc = 20v, r l = 8 ? , f =1khz, thd = 10% * operation supply voltage range (t a = 25c) v cc ( opr ) = 5~25v (r l = 8 ? ) v cc ( opr ) = 5~18v (r l = 4 ? ) * split supply * built in overload protection circuit. * built in thermal shut down protector circuit. * built in audio muting circuit (pop free) * built in standby circuit. ? ordering information ordering number package packing lead free halogen free TDA7265L-J11-A-T tda7265g-j11-a-t hzip-11a tube (1) t: tube (2) j11-a: hzip-11a (3) l: lead free, g: halogen free TDA7265L-J11-A-T (1) packing type (2) package type (3) lead free
tda7265 linear integrated circuit unisonic technologies co., ltd 2 of 9 www.unisonic.com.tw qw-r107-066.b ? pin configuration 11 10 9 8 7 6 5 4 3 2 1 in+(r) in-(r) gnd in-(l) in+(l) -v cc mute out(l) +v cc out(r) -v cc ? pin description pin no. pin name description 1 -v cc negative supply 2 out(r) output(right) 3 +v cc positive supply voltage 4 out(l) output(left) 5 mute mute/standby switch input 6 -v cc negative supply 7 in+(l) non-inverting input(left) 8 in-(l) inverting input(left) 9 gnd ground 10 in-(r) inverting input(right) 11 in+(r) non-inverting input(right)
tda7265 linear integrated circuit unisonic technologies co., ltd 3 of 9 www.unisonic.com.tw qw-r107-066.b ? block diagram
tda7265 linear integrated circuit unisonic technologies co., ltd 4 of 9 www.unisonic.com.tw qw-r107-066.b ? absolute maximum rating parameter symbol ratings unit dc supply voltage v cc 25 v output power current (internally limited) i out 4.5 a power dissipation (t a =70c) p d 30 w junction temperature t j +150 c operating temperature t opr -20~85 c storage temperature t stg -40 ~ +150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol rating unit junction to case jc 2 c/w ? electrical characteristics (v cc = 20v, r l =8 ? , r s =50 ? , g v =30db, f =1khz, t a =25c, unless otherwise specified) parameter symbol test condition min typ max unit supply voltage range v cc 5 25 v total quiescent current i q 80 130 ma input section input offset voltage v i ( off ) -20 20 mv bias current i bias 500 na input resistance r in 15 20 k ? output section output power p out thd=10% v cc =20v, r l = 8 ? 20 25 w v cc =16v, r l = 4 ? 25 w thd = 1% v cc = 20v, r l = 8 ? 20 w v cc =16v, r l = 4 ? 20 w total harmonic distortion thd r l = 8 ? , p out = 1w, f = 1khz 0.01 % r l = 8 ? , p out =0.1~ 15w, f = 100hz ~ 15khz 0.7 % r l = 4 ? , p out = 1w, f = 1khz 0.02 % r l = 4 ? , v cc = 16v, p out =0.1 ~ 12w, f =100hz ~ 15khz 1 % cross talk c t f = 1khz 70 db f = 10khz 60 db slew rate sr 10 v/ s open loop voltage gain g vo 80 db total output noise en a curve 3 v f = 20hz to 22khz 4 8 v supply voltage rejection (each channel) svr f = 100hz, v r = 0.5v 60 db
tda7265 linear integrated circuit unisonic technologies co., ltd 5 of 9 www.unisonic.com.tw qw-r107-066.b ? electrical characteristics(cont.) parameter symbol test condition min typ max unit thermal protection thermal shut-down junction temperature t j 145 c mute function mute /play threshold vt mute -7 -6 -5 v mute attenuation a mute 60 70 db stand-by functions stand-by mute threshold vt st-by -3.5 -2.5 -1.5 v stand-by attenuation a st-by 110 db quiescent current ( stand-by) i q ( st-by ) 3 ma
tda7265 linear integrated circuit unisonic technologies co., ltd 6 of 9 www.unisonic.com.tw qw-r107-066.b ? typical application circuit typical application circuit in (r) 1 f in (l) mute 1 f 0.1 f 0.1 f q1 9013 15k 15k play 5v +v cc out (l) 30k in- (l) in- (r) out (r) out (l) 4.7 4.7 1 f 10k 100 f 0 mute d1 1000 f 1k 30k 1k 0.1 f out (r) 470 f 5.1v 470 f 11 5 7 1 6 9 10 2 8 4 3 single supply application
tda7265 linear integrated circuit unisonic technologies co., ltd 7 of 9 www.unisonic.com.tw qw-r107-066.b ? typical application circuit(cont.) note: closed loop gain has to be 25db test and application circuit (stereo configuration)
tda7265 linear integrated circuit unisonic technologies co., ltd 8 of 9 www.unisonic.com.tw qw-r107-066.b ? mute stand-by function the pin 5 (mute/stand-by) controls the amplifier st atus by two different thresholds, referred to +v cc . v pin5 amplifier status +v cc >v pin5 +v cc -2.5v stand-by mode +v cc -2.5v>v pin5 >+v cc -6v mute mode v pin5 +v cc -6v play mode v pin5 (v) v cc v cc -6 v cc -10 i q (ma) 0 v out (v) st-by mute play st-by mute v cc -2.5
tda7265 linear integrated circuit unisonic technologies co., ltd 9 of 9 www.unisonic.com.tw qw-r107-066.b ? typical characteristics ch1: 10v/div ch2: 10v/div ch1: 5v/div ch2: 5v/div ch1: 10v/div ch2: 10v/div 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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