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??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 1 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 CS4863 ? 2.2w ?? ?? ? ? / ? 2010-01-a 2010-01 ? 2012-01-b1 2012-01 ?? i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 1 CS4863 ????????? 5v ?????? 1.0% 4 ?? 2.2w ?? 3 ?? 2.5w ??????? ?????????????? ???? CS4863 ????? CS4863 ?????????????? ???i CS4863 ???y?????? ?? ? ??? ? ?? ? ? ? ? ? ? ?? dip16 / sop16 / tssop20 ? ? p o ? 1% thd+n ? CS4863lq ? 3 ,4 ? 2.5w,2.2w ? CS4863mte ? 3 ? 4 ? 2.5w,2.2w ? CS4863mte ? 8 ? 1.1w ? CS4863 ? 8 ? 1.1w ? ?? 75mw 32 ? thd+n 0.5% ? ?? ? 0.7a ? ? 2.0v~5.5v 2? sop16 (dip16) tssop20 ???? 100 9 2 2 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 3 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 3 3.1 ? t amb =25 ? ?? 5.5 v ? -0.3~v dd +0.3 v ? -65~+150 ? esd ??? 2000 v esd ??? 200v v 150 ? -40~+85 dip ? 245 ??10 ? sop ? 250 jc -m16b 20 /w ja - m16b 80 /w /w jc - m16a 20 /w /w ja - m16a 63 /w /w jc -mtc20 20/w /w ja -mtc20 80 /w /w jc -mxa20a 2 /w /w 3.2 () v dd =5v,t a =25 CS4863 ( ? 2 v(min) v dd ?? 5.5 v(max) i dd ??? v in =0v i o =0a hp-in=0v v in =0v i o =0a hp-in=4v 11.5 5.8 20 6 ma(max) ma(min) ma i sd ?? v dd shutdown 0.7 2 a(min) v ih ??? 4 v(min) v il ??? 0.8 v(max) i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 4 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 (???) v dd =5v,t a =25 CS4863 ( ) v os ??? v in =0v 5 50 mv(max) p o thd+n=1% f=1khz CS4863mte r l =3 CS4863lq r l =3 CS4863mte r l =4 CS4863lq r l =4 CS4863 r l =8 thd+n=10% f=1khz CS4863mte r l =3 CS4863lq r l =3 CS4863mte r l =4 CS4863lq r l =4 CS4863 r l =8 thd+n=1% f=1khz r l =32 2.5 2.5 2.2 2.2 1.1 3.2 3.2 2.7 2.7 1.5 0.34 1.0 w w w w w(min) w w w w w w thd+n ? 20hz f 20khz a vd =2 CS4863mte r l =4 ?p o =2w CS4863lq r l =4 ?p o =2w CS4863 r l =8 ?p o =1w 0.3 0.3 0.3 % % % psrr ??? v dd =5v, r l =8 ? c b =1.0f, v ripple =200mv rms 67 db x talk ? f=1khz c b =1.0f 90 db snr v dd =5v r l =8 ?p o =1.1w 98 db (???) v dd =5v,t a =25 CS4863 ( ) v os ??? v in =0v 5 50 mv(max) p o thd+n=0.5%, f=1khz, r l =32 thd+n=1%, f=1khz, r l =8 thd+n=10%, f=1khz, r l =8 85 340 440 75 mw(min) mw mw thd+n ? 20hz f 20khz a v =-1 r l =32?p o = 75mw 0.2 % psrr ??? v ripple =200mv rms ,f=1khz c b =1.0f 52 db x talk ? f=1khz c b =1.0f 60 db snr v dd =5v r l =8 ?p o =340 mw 95 db tstab ??? c b =0.33uf,v dd =5v 240 ms i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 4? 4.1 mte ?? ???? 100 9 2 5 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 4.2 non-mte ?? ???? 100 9 2 6 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 7 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 8 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 9 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 10 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 5??? 5. 1 ?? rf 1uf ri 20k 20k vdd/2 bypass +in a -in a shutdown ci 20k 20k + cs 1.0uf tant vdd 4,13 audio input c b 0.33uf 1 10 8 6 5 11 3 -out a r l 8 gnd amp2a +outa amp1a 20k 50k 50k 20k 20k 12 14 -out b amp2b +outb amp1b 20k r l 8 1uf ri ci 20k audio input rf 20k 9 16 hp-in 100k 2715 100k vdd to control pin on headphone jack + co 100uf 1k + co 100uf 1k control pin ring tip headphone jack sleeve to hp-in circuit -inb +inb 5. 2 ?? ?? ? ? 1 r i ?k r f ?? r f c i ??? f c =1/ 2 r i c i 2 c i ????? dc ?c i r f ??? f c =1/ 2 r i c i 3 r f k r f ?? 4 c s ?? 5 c b ? bypass ? 1/2 ??? ?? 1.?? ?(1) ? CS4863 ???? a ? b ? ? a ????? b ?? amp1a ?y?? ? r f r i ? amp2a 20k ???? -1 ? ???? 100 9 2 11 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 12 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 ?? CS4863 ? -outa +outa ???(1) amp1a ?? amp2a ?????? 180 ?? -outa +outa ????? ??? ic ??? a vd =2(rf / ri) 1 ???????????????????? ?????????????????? ??????????? ?????? 4 ??????? ??????? ??? ? ??? ? ? ?????????? a ? b ?????? ??????????????? ???????????? ic ? ???? 2. ???????????????? 2 ?????????? p dmax = v dd 2 / 2 2 r l ?? 2 ?????????? CS4863 ?? ????????? 4 ? 3 ?? ? 5v ?? 4 ?????? 1.27w ????? 2.54w p dmax =4 v dd 2 / 2 2 r l ? 3 ??3 ??????? 4 ?? p dmax = t jmax -ta / ja 4 CS4863 t jmax =150 lq llp ?? pcb 5in 2 ??? dap ? ja ? 20 /w mte ?? pcb 2in2 ??? dap ? ja ? 41/w ???? tja ?? 4 ? ic ???? ? 4 p dmax ?? 5 ?? CS4863 ?2????? ? t a =tjmax-2 p dmax ja 5 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 13 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 5v ? 4 ????????? llp ?? 99 mte ?? 45 t jmax =pdmax ja +ta 6 ?6 t jmax ?? CS4863 ? ja 150 ?? ????????? ????????? ?????? ??????? 2 ??? 3 ????????? ????? ????ja ?????????? ? smt ?? 7106d ????????ja ? jc cs sa ?? jc ??k cs ???k sa ????h 3.? ??????????????? ??5v ??10 f ?0.1 f ???? ???????? CS4863 ?? 1.0 f ? ????????????????? ???? bypass ?? 1 f ?cb ??????? ???psrr cb ? psrr ???cb ???? ???? cb ??psrr ?????? ????? 4.???? ??shutdown????CS4863??????????v dd ?? ????????????????v dd /2 ????????shutdown???0.7a???? ??????? ???????????? ????????shutdownv dd ?10k? ?shutdown???shutdown????v dd ????????shutdown???? ??????????shutdown????? ??? i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 1 shutdownhp-in?? shutdown hp-in pin ?? ? ?? ? ??? ? ??? ? ??? 5.hp-in ? hp-in ? 4v v dd ?????? amp2a amp2b ???? ? ic ????????? ? 2 ???????? r1-r2 ??? hp-in ?? 16 ???? 50mv amp1b amp2b ???? CS4863 ?? ???????? hp-in ????? 4v CS4863 ??????????0v ??????????? -outa ?? r1 ? hp ????v dd ??? amp2a amp2b ?? ????? r2 r3 ??? 32 ?r2 r3 CS4863 ???? ?2 ???? 100 9 2 14 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ? 2 ?????????????????? ????????????? hp-in ???????????????? hp-in ? 4v v dd ??????? amp1a amp2a ? 6.???? ????? CS4863 ???? CS4863 ??? ?????? CS4863 ?????????????? ??? thd+n snr ?? ????????????????y ?????? 1v rm s 2.83vp- p ???? ???? 1 ??? ????????1 c i ?????? ???????????? 150hz ??????????? ?c i ??????? CS4863 ???????? ?????????? 0 ?????? ?????????????????? ?v dd /2???????????? ??-3db ???? ?1?r i c i ?-3db????7? iin db cr f ? 2 1 3 ? ? 7 ?? 4 ??? 150hz ?? c i ? 0.063f ? 1 ? 1.0 f ? CS4863 ? 30hz 2??? ?? bypass ??c b ????? c b CS4863 ?????????? CS4863 ?? ? v dd /2 ?????1.0 c b c i ?? 0.1f 0.39f ? ???? ? ? ? ?????????? c i ? ? ? ? ? 7. ? CS4863 ????????????? ???? 100 9 2 15 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 16 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 ?????????? CS4863 ???? ??????????bypass ?? ?????bypass ???????bypass ????v dd /2 ? C??bypass ?????????? ???bypass ??? c b ????????? ????c b ???????? ??????????????? ?? ?????? c out ?????? 20k ?? c out ????????????? ????? 20k ??1k ?5k ??k? 8.??? ?~ 10k????????CS4863 ????? ????? 5k??? 9.??? 1 ? 8 ? 1w ??? 1wrms 8 ? 1vrms 20k 100hz-20khz 0.25db ????????? ? ? ? - ??? ??????????? ??? 4 v opeak ?????? ? ?- ??? ??? 8 ?????? ?9 ? v opeak (2r l p o ) 8 v dd (v outpeak +(v odtop +v odbog )) 9 ? - ????? 8 ????4.6v ???? 5v ??????? CS4863 ??1w ? ????????????? ? i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???????10? inrms orms inlo vd vvvrpa /)/( ? ? 10? ??10 a vd =2.83 ? CS4863 ? thd+n ??? ??a vd =3 ?r i r f t? 20k ??? 11 ?? ? r f /r i a vd ? 2 ? 11? ?? 20 k ? a vd =3 r f /r i =1/1.5 ??? r f ? 30 k? ?-3db ????? 0.25db ??????? ??? 1/5 ??? 5 ? 0.17db ? ??? 0.25db ???????? f l =100hz/5=20hz 12 f h =20khz 5=100khz 13 ??? r i c i ??????????? 14 ??? ci fr cj ? 2 1 ? 14 ? 1 M(2 ?~ 20k?~ 20hz) 0.398f 15 ????? 0.39f ????f h ?? 100khz??a vd ? ???? a vd =3 f h =100khz ???? gbwp 300khz CS4863 3.5mhz gbwp ?????????? ???? 100 9 2 17 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 6??? 6. 1 dip16 ??? ???? 100 9 2 18 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 6. 2 sop16 ??? ???? 100 9 2 19 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 6. 3 tssop20 ??? ???? 100 9 2 20 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 i-core
??? wuxi i-core electronics co., ltd. 733-11-i ?CS4863-ax-bj-39 ???? 100 9 2 21 ? 21 ? http://www.i-core. cn ??214072 2012-01-b1 7?? 7.1 ?????? ??? ?pb hg ? cd ? cr pbbs ? pbdes ? ?? ? ?? ? ?????? sj/t11363-2006 ?? ? ?????? sj/t11363-2006 ? ? 7.2 ? ???????? ????? ?????? ??????? 8?? ??? wuxi i-core electronics co., ltd. ???? 100 9 2 ? http://www.i-core.cn ?? 214072 0510-81888895 0510-85572700 ???? 100 9 2 ?? 214072 0510-85572708 0510-85887721 ????? 12 26f ?? 518000 0755-88370507 0755-88370507 ? ?????? 57 901 ?? 510000 020-36743257 020-36743257 ? ? ??? 100 9 2 ?? 214072 0510-85572715 0510-85572700 ???? 12 26f ?? 518000 0755-88370507 0755-88370507 i-core

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