pj2206 2.3w dual audio power amplifier 1 - 9 2002 / 01 . r ev . a he pj2206 is a mono lithic integrated circuit consisting of a 2-channel power amplifier . it is suitable for stereo and bridge amplifier application of radio and cassette tape recorders. high output power stereo : po=2.3w (typ) at vcc=9v, r l =4 . bridge : po=4.7w (typ) at vcc=9v, r l =8 . low switching distortion at high frequency. small shock noise at the time of power on/off due to a built-in muting circuit. good ripple rejection due to bu ilt-in ripple filter. good channel separation. soft tone at the time of output saturation. closed loop voltage gain fixed 45db(bridge : 51db) but vailability with external resistor added. minimum number of external parts required. easy to design radiator fin. device operating temperature package PJ2206CD -20 ~ +85 dip-16 t features dip-16 block diagram ordering information pin: 1.btl output1 2.output2 3.bs2 4.power amp gnd 5.power amp gnd 6.nf2 7.input2 8.dc 9.preamp gnd 10.input1 11.nf1 12.power amp gnd 13.power amp gnd 14.bs1 15.output 16.vcc
pj2206 2.3w dual audio power amplifier 2-9 2002/01.rev.a characteristics symbol value unit supply voltage vcc 15 v power dissipation pd 4* w operating temperature topr -20 ~ +85 storage temperature tstg -40 ~ +150 *fin is soldering on the pcb characteristic symbol test conditions min typ max unit operating supply voltage vcc 9 11 v quiescent circuit current icc vi=0,stereo 40 55 ma stereo 43 45 47 db closed loop voltage gain av bridge vi=-45dbm 49 51 53 db channel balance cb stereo -1 0 +1 db r l =4 ,thd=10% 1.7 2.3 w stereo r l =8 ,thd=10% 1.3 w output power po bridge r l =8 ,thd=10% 4.7 w stereo 0.3 1.5 % total harmonic distortion thd bridge po=250mw,r l =4 0.5 % input resistance ri 21 30 k ripple rejection rr stereo,rg=0 ,vr=150mv f=100hz 40 46 db stereo,rg=0 0.3 1.0 mv output noise voltage v no stereo,rg=10k 0.5 2.0 mv cross talk ct stereo,rg=10k ,vo=0dbm 40 55 db absolute maximum ratings(ta=25 ) electrical characteristics (ta=25 ,vcc=9v,f=1khz rg=600 ,unless otherwise specified)
pj2206 2.3w dual audio power amplifier 3-9 2002/01.rev.a fig.1 typical applicatio n circuit:stereo amplifier fig.2 typical applicatio n circuit:bridge amplifier
pj2206 2.3w dual audio power amplifier 4-9 2002/01.rev.a fig.3 vo ltage gain adjustment 1. stereo application 2. bridge application 1) fixed voltage gain (pin 9 connected to gnd directly) av = 20log * r1 / r2 (db) 0) variable voltage gain (rf and c1 connected with pin 9) av = 20log * r1 / r2+rf (db) 1)fixed voltage gain (pin 9 connected to gnd directly) r1 av= 20log +6 (db) r2 0)variable voltage gain (rf and c1 connected with pin 9) r2 av= 20log +6(db) r2+rf
pj2206 2.3w dual audio power amplifier 5-9 2002/01.rev.a output power-input voltage voltage gain-freq uency total harmonic distortion-output power freq uency response total harmonic distortion-output power total harmonic distortion-freq uency
pj2206 2.3w dual audio power amplifier 6-9 2002/01.rev.a total harmonic distortion-freq uency output ripple voltage output noise voltage power dissipation-output power channel separation-freq uency power dissipation-output power output power-supply voltage
pj2206 2.3w dual audio power amplifier 7-9 2002/01.rev.a q uiescent circuit current supply voltage output power-input voltage total harmonic distortion-output power q uiescent circuit current-ambient temperature freq uency response total harmonic distortion-output power
pj2206 2.3w dual audio power amplifier 8-9 2002/01.rev.a total harmonic distortion-freq uency output power-supply voltage power dissipation-output power
pj2206 2.3w dual audio power amplifier 9-9 2002/01.rev.a millimet ers inches dim min max min max a 17.80 18.05 0.701 0.710 b 6.25 6.45 0.292 0.299 c 2.35 2.65 0.093 0.104 d 0.35 0.49 0.014 0.019 g 1.27bsc 0.05bsc j 0.25 0.32 0.010 0.012 k 0.10 0.25 0.004 0.009 l 0 10 0 10 m - 10 0.395 0.415
|
