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?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 HXJ2313l ?? cmos ??? ic HXJ2313l (volume) ?(balance)? (treble & bass) (loudness) ???(selectable inputgain) ???? HXJ2313l ?????? ???? ??? HXJ2313l ??(i2c bus) ??? ?? HXJ2313l ????pcb ??? ??y?? ? HXJ2313l ?28-pin so ? tda7313 ???? ? 1. 2. ? 3. ?3 4. ?/ ?? 5. ??4 6. 7. ??1.25db 8. ? 9. ?? 10. ?i 2 c ?? ? 1. 2. ?? (hi-fi audio system) ?? ??sop-28 ?? www..net
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ? i/o 1 ref - ?(1/2v dd ) 2 vdd - ?? 3 agnd - ?? 4 treb_l i 5 treb_r i 6 rin i ? 7 rout o ? 8 loud_r i ? 9 rin3 i ? 3 10 rin2 i ? 2 11 rin1 i ? 1 12 loud_l i ? 13 lin3 i ? 3 14 lin2 i ? 2 15 lin1 i ? 1 16 lin i ? 17 lout o ? 18 bin_l i ? 19 bout_l o ? 20 bin_r i ? 21 bout_r o ? 22 rrout o ? 23 lrout o 24 rfout o ? 25 lfout o ? 26 dgnd - ? 27 data i 28 clk i ?(clock)
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ? volume & loudness bass treble serial bus decoder & latches bass treble volume & loudness rb rb input selector & gain control lin1 lin2 lin3 rin1 rin2 rin3 speaker att mute speaker att mute speaker att mute speaker att mute supply lin1 lin2 lin3 rin1 rin2 rin3 vdd agnd ref rout rin loud_rbout_r bin_r treb_r rrout rfout data dgnd clk lrout lfout lout lin loud_l bout_l bin_l treb_l ?HXJ2313l (20-pin) ??? (loud_l/loud_r) (treb_l/treb_r, bin_l/bin_r, bout_l/bout_r). ?(i2c bus) ?? (i 2 c bus interface) ?dataclk ?? HXJ2313l ????? data clk ? ??
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ? (data validity) clk ???? data line ????????? clk ? ???data line ??p??? data line stable data valid data change allowed data clk ?? (start and stop conditions) (1)clk ????(2)data ??????????? (1)clk ???? (2)data ?????????? ?? clk data start stop ?? (byte format) ???data line ? (byte)??(bit) ?????? ?(msb) ?????? ? ?? ? (acknowledge) ?????( ?) ? data line ?????? HXJ2313l ???? data line ?(HXJ2313l) ?? data line ??? ????? ??? HXJ2313l ????(byte) ????? ????(clock) ?data line ??????
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ????? (transmission without acknowledge ) ??? HXJ2313l ????????????? ?? HXJ2313l ????(byte) ????? (clock) ??? ??? ??????? (interface protocol) 1. ?start ? 2. ???=88h 3. ack= ?? 4. ? 5. ? ? HXJ2313 address msb first byte lsb msb lsb msb lsb start 1 0 0 0 1 0 0 0 ack data ack data ack stop data transmitted(n-bytes+acknowledge) ? :ack= acknowledge ??=100k bits/s ? data byte ?? software specification HXJ2313l ?address HXJ2313l ?? 1 msb 0 0 0 1 0 0 0 lsb ? data bytes msb lsb 0 0 b2 b1 b0 a2 a1 a0 1 1 0 b1 b0 a2 a1 a0 ? 1 1 1 b1 b0 a2 a1 a0 ? 1 0 0 b1 b0 a2 a1 a0 ?? 1 0 1 b1 b0 a2 a1 a0 ?? 0 1 0 g1 g0 s2 s1 s0 / / 0 1 1 0 c3 c2 c1 c0 0 1 1 1 c3 c2 c1 c0 ax=1.25db/steps cx=2db/steps gx=3.75db/steps
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 i 2 c ?? HXJ2313l ???,???????,?cref ?? cref ?10f ?,? 300ms ???ic i 2 c ?????? ? volume ???????-37.5db ?00011110?? msb lsb 0 0 b2 b1 b0 a2 a1 a0 ?1.25db ? 0 0 0 0db 0 0 1 -1.25db 0 1 0 -2.5db 0 1 1 -3.75db 1 0 0 -5db 1 0 1 -6.25db 1 1 0 -7.5db 1 1 1 -8.75db 0 0 b2 b1 b0 a2 a1 a0 ?10db ? 0 0 0 0db 0 0 1 -10db 0 1 0 -20db 0 1 1 -30db 1 0 0 -40db 1 0 1 -50db 1 1 0 -60db 1 1 1 -70db
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ? (speaker attenuators) ????????? 30db "10011000" ?? msb lsb 1 0 0 b1 b0 a2 a1 a0 ? 1 0 1 b1 b0 a2 a1 a0 ? 1 1 0 b1 b0 a2 a1 a0 1 1 1 b1 b0 a2 a1 a0 ? 0 0 0 0 db 0 0 1 -1.25 db 0 1 0 -2.5 db 0 1 1 -3.75 db 1 0 0 -5 db 1 0 1 -6.25 db 1 1 0 -7.5 db 1 1 1 -8.75 db 0 0 0 db 0 1 -10 db 1 0 -20 db 1 1 -30 db 1 1 1 1 1 / / (audio switch data byte) ??/ / ???(HXJ2313l 28pin ) 1 +11.25db ?"01000000" ?? msb lsb 0 1 0 g1 g0 s2 s1 s0 0 0 1 0 1 2 1 0 3 1 1 4*1 0 on*2 1 off*2 0 0 +11.25 db 0 1 +7.5 db 1 0 +3.75 db 1 1 0 db ?14?? 2?28pin ?
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ?? bass and treble data bytes ??????? -12db ??? 01110001 ?? msb lsb 0 1 1 0 c3 c2 c1 c0 0 1 1 1 c3 c2 c1 c0 0 0 0 0 -14 db 0 0 0 1 -12 db 0 0 1 0 -10 db 0 0 1 1 -8 db 0 1 0 0 -6 db 0 1 0 1 -4 db 0 1 1 0 -2 db 0 1 1 1 0 db 1 1 1 1 0 db 1 1 1 0 2 db 1 1 0 1 4 db 1 1 0 0 6 db 1 0 1 1 8 db 1 0 1 0 10 db 1 0 0 1 12 db 1 0 0 0 14 db ?? vs ? 10.5 v tamb ? -40 ~ +85 tstg F? -65 ~ +150 ? ? ?? ? vs ?? 6 9 10 v vcl ?? 2 2.5 vrms thd ? v=1vrms f=1khz 0.07 0.15 % s/n ? 95 db sc ??f=1khz 85 db ??1.25 db -75 0 db ???2db -14 +14 db ????1.25db -37.5 0 db gin ?3.75db 0 11.25 db amute ? 85 db
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ?, tamb=25 ,v dd =9v,r l =100k ,rg=600,??g=0 ,f=1khz ? ?? ? ?? vdd ?? 6 9 10 v is ? 30 40 ma ? rll 1,2,3 35 50 70 k vcl ? av=-8.75db,d=0.3% 2 2.5 vrms sin ?(2) 80 100 db ginmin -1 0 1 db ginmax 11.25 db crange ? 65 70 75 db avmin ?? -1 0 1 db avmax ?? 65 70 75 db astep 0.5 1.25 1.75 db ea ? av=0 ~ -20db av=-20 ~ -60db -1.25 -3 0 1.25 2 db db ? crange ? 35 37.5 40 db sstep 0.5 1.25 1.75 db ea ? 1.5 db amute ? 70 75 db gb ? boost/cut 12 14 16 db bstep 1 2 3 db rb ? 34 44 58 k (1) gt ? boost/cut 13 14 15 db tstep 1 2 3 db vocl ? av=-8.75db,d=0.3% 2 2.5 rout 40 45 vout ??? 4.2 4.5 4.8
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ? bw=20-20khz,flat output mute all gain=0db -97 -92 db db no ? a curve all gain=0db -100 db s/n ? all gain=0db vo=1vrms 95 db d ? av=0,vin=1vrms, av=-8.75db, in=1vrms, av=-8.75db, vin=0.3vrms 0.1 0.07 0.03 0.33 0.15 0.1 % % % sc / ? 80 90 db vil ??? 1 v vih ??? 3 v iin -5 +5 ua vo ?sda? io=1.6ma 0.4 v ?1??????????? 2????2.2uf ?? ??? ??? c10=c11=100nf c10 c11 ???? volume=-40db o all other control flat
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ??? 11 r c3 2.2u r c4 2.2u tape r c2 2.2u r c5 2.2u cd r c1 2.2u r c6 2.2u am/fm player tuner vdd 22u c7 2.2u c8 100u c10 22u c12 22u c13 r1 5.6k 2.7n c16 1 23 4 5 6 78 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 mcu c9 2.2u c11 100n c14 100n r2 5.6k c15 100n c17 2.7n rin1 rin2 rin3 lin1 lin2 lin3 vdd agnd ref rout rin loud_r bout_r bin_r treb_r rrout lrout rfout lfout treb_l bin_l bout_l loud_l lin lout clk data dgnd c18 10u c19 10u c20 10u c21 10u ?1. r ??2k ~3.6k 2. ??2.4 k
?? HXJ2313 ? ????? www.szhexingjian.cn.alibaba.com www.hexingjian.com ?? 1326-1333 0755-83692256 / 83692276 0755-83358589 ??? sop-28??? symbol min max a 2.35 2.65 a1 0.10 0.30 b 0.33 0.51 c 0.23 0.32 d 17.70 18.10 e 7.40 7.60 e 1.27 bsc h 10.00 10.65 h 0.25 0.75 l 0.40 1.27 0 8

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