? GC6283 ???? 1 ? 6 ? www.gcore.com.cn 4.6w ???? GC6283 GC6283 ??????????????? ???? ? ?? ? ? p out =2.5w/ch( ) (vcc=9v,r l =4 , f=1khz, thd=10%) p out =4.6w/ch (vcc=12v,r l =4 ,f=1khz, thd=10%) ? ? ?? i ccq =19ma( ) (vcc=9v,v in =0) ? ? ? ? ??? 9v 12v ? ?? vcc=6~15v fsip12 ?? 1 ? 1 b.s.1 7 2 in2 2 1 out-1 8 2 nf2 3 ? ripple 9 ? gnd 4 1 nf1 10 2 out-2 5 1 in1 11 ? 2 b.s.2 6 ?? gnd 12 ? v cc1 ? (ta=25 ) ? ? vcc 20 v ( ? ) i o(peak) 2.5 a p d 12.5 w t opr 0~75 t stg -55~150
? GC6283 ???? 2 ? 6 ? www.gcore.com.cn ( ? ,vcc=9v,f=1khz,rg=600 ,r l =4 ,ta=25 ) ? i ccq v in =0 - 19 45 ma p out(1) thd=10% 2.0 2.5 - p out(2) thd=10%,v cc =12v - 4.6 - w ? thd p out =1w/ch - 0.2 1.0 % g v(1) rf=82 ,v out =0dbm 43 45 47 ? g v(2) rf=0,v out =0dbm - 56 - db r in - - 30 - k v no rg=10k , bw=20hz~20khz - 0.3 1.0 mv rms ?? r.r rg=600 ,v rip =0.2vrms, f hip =100hz - 54 - db ? c.t rg=600 , amp1 ? 2, v out =0dbm ,f=1khz - 60 - db ?? v 5 ,v 7 - - 20 60 mv ????? vcc=9v ta=25 1 2 3 4 5 6 7 8 9 10 11 12 ??? (v) 8.2 4.5 8.9 0.6 0.01 gnd 0.01 0.6 gnd 4.5 8.2 vcc
? GC6283 ???? 3 ? 6 ? www.gcore.com.cn ????? 30 r f 1 82 *c c1 47uf c4 100uf ch - 1 + - in1 nf1 ripple c8 1000uf r l c6 0.15uf c3 220uf 20k 30 r f 2 82 *c c2 47uf c5 100uf ch - 2 + - in2 nf2 c9 1000uf r l c7 0.15uf 20k c10 2200uf bias circuit thermal shut down protection circuit 5 12 1 2 4 3 7 8 6 9 11 10 b.s.2 b.s.1 vcc out - 2 out - 1 in - 1 in - 2 pre - gnd power - gnd in in ?????? c in ??? ????? c in ?? 1 ?? ? g v ? 1 r1 r2 rf ? g v =20log rf+r1+r2 / rf+r1 rf=0 g v =56db ? rf=82 g v =45db ? ? rf ? 1 ? 40db ? 2 ? ???????????? 175 ?????????????? 3 ? ic ? 2 ? pnp q1 ??????? ? 5 7 ??? 60mv ?? ?????????? ??????? c in ? r1 30 r2 20k r f input 5/7 4/8 + - amp 2/10 output
? GC6283 ???? 4 ? 6 ? www.gcore.com.cn 4 ???? ??????? c6 c7 ?t???? ??????????????? ? ?????? ?? c10 vcc ??? ???? ? c10 ??? ???? 5 ? ? v in =300mvrms ?vcc=9v,f=1khz, r l =4?? 6 ?????????? ?? ? 2 q2 q3 q1 20k 30 30 c r f 47uf 5/7 2/10 4/8 6 input pre - gnd to bias to driver output in
? GC6283 ???? 5 ? 6 ? www.gcore.com.cn
? GC6283 ???? 6 ? 6 ? www.gcore.com.cn
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