unisonic technologies co., ltd pa2009 preliminary linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2008 unisonic technologies co., ltd qw-r107-051,aa 10 +10w stereo amplifier ? description the utc pa2009 is a class ab stereo audio power amplifier that contains two identical amplifiers capable of delivering 10w per channel. it is designed for quality hi-fi stereo application which is easy to construct and has a minimum need of external components. ? features * supply range 8v ~ 28v * high power outputs (10w/channel) * high output current up to 3.5a * short circuit protection * thermal protection lead-free: pa2009l halogen-free: pa2009g ? ordering information ordering number normal lead free halogen free package packing pa2009-j11-a-t PA2009L-J11-A-T pa2009g-j11-a-t hzip-11a tube
pa2009 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r107-051,aa ? pin configuration n.c. output (1) +vcc output (2) n.c. gnd non inv.input (2) inv.input (2) svrr inv.input (1) non inv.input (1) 1 2 3 4 5 6 7 8 9 10 11 tab connected to pin 6
pa2009 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r107-051,aa ? block diagram (6) gnd (2) inv. input1 (1) non inv. input1 (3) svrr (9) + vcc ac short circuit protect. thermal shut-down v ref (5) non inv.input2 (4) inv.input2 (8) output2 (10) output1 svrr circuit + - + - ch1 ch2 ac short circuit protect.
pa2009 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r107-051,aa ? absolute maximum ratings parameter symbol ratings unit supply voltage v cc 28 v repetitive, f 20hz 3.5 a peak output current non repetitive, tp=100 s i o(peak) 4.5 a power dissipation@tc = 90c p d 20 w junction temperature t j +150 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 an d functional device operat ion is not implied. ? thermal data parameter symbol rating unit thermal resistance junction to case jc 3.0 c/w ? electrical characteristics (refer to test circuit, ta= 25c, vcc = 24v, g v = 36db, unless otherwise specified) parameter symbol test conditions min typ max unit supply voltage v cc 8 28 v quiescent output voltage v out v cc = 24v 11.5 v input saturation voltage (rms) v in(sat) 300 mv total input noise voltage e n r g = 10k ? , 22hz~22khz 2.5 8 v total quiescent drain current i q v cc = 24v 60 120 ma r l =4 ? 12.5 w r l =8 ? thd=1%, v cc =24v, f=1khz 7 w r l =4 ? 10 w r l =8 ? f = 40hz ~12.5khz 5 w r l =4 ? 7 w output power for each channel r l =8 ? p out v cc = 18v, f = 1khz 4 w r l =4 ? p out = 0.1~7.0w 0.2 % r l =8 ? p out = 0.1~3.5w f = 1khz, v cc =24v 0.1 % r l =4 ? p out = 0.1~5.0w 0.2 % total harmonic distortion for each channel r l =8 ? thd p out = 0.1~2.5w v cc =18v 0.1 % input resistance r in f = 1khz, non-inverting input 70 200 k ? low f l r l =4 ? 20 hz frequency roll off ( - 3db) high f h r l =4 ? 80 khz closed loop voltage gain gv f = 1khz 35.5 36 36.5 db closed loop gain matching gv 0.5 db f = 1khz 60 cross talk f = 10khz ct r l = , rg = 10k ? 50 db supply voltage rejection for each channel svr f ripple = 100hz, v ripple = 0.5v, r g = 10k ? 55 db thermal shut-down junction temperature 145 c
pa2009 preliminary linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r107-051,aa ? test and application circuit (g v = 36d b) 1/2 utc pa2009 + - + - 0.1uf 1 18 1.3 2200uf/16v 220uf 4 8 100uf 0.1uf 9 +v cc 22uf 2.2uf 3 5 in (l) in (r) 0.1uf 1 18 1.3 2200uf/15v 220uf 2 10 2.2uf 1 6 r l r r 1/2 utc pa2009 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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