AK8125AV ms1257-j-01 2011/03 - 1 - AK8125AV emi ????? ic AK8125AV?emi???`ic? k????{???? ??`p????? L ??R 3.0v 3.6v M 6.5ma typ. 49.92mhzr ? 6.149.92mhz k 6.136mhz ? 6.199.84mhz { ??`??? : 0.125%,0.25%,0.75%,1.5% ??? : -0.25%,-0.5%,-1.5%,-3.0% ? 15pf max. ? 1?2?4? ? 300ps max cycle to cycle peak 24.96mhz? 600ps max ??`?ss?r ??` 10?tmsop ( U?`,???`) ? hdtv,stb,mfp? 1. ?? crystal osc pll vdd xin xout clkout control logic vss vref f _ sel0 f_sel1 ss_sel1 ss_sel0 outmpx
AK8125AV ms1257-j-01 2011/03 - 2 - 2. h ? ?Ch ? (?) h 1 (ai) ???A?? 2 f_sel0 (di) ?O0 low, mid, high3??? 150 k???????????? 3 vdd (pwr) ? 4 ss_sel0 (di) `?{O0 low, mid, high3??? 150 k???????????? 5 outmpx (di) ??O low, mid, high3??? 150 k???????????? ?99.84mhz???O??? 6 clkout (do) ? ss_sel1 (di) `?{O1 low, mid, high3??? 150 k???????????? vss (pwr) ? 9 f_sel1 (di) ?O1 low, mid, high3??? 150 k???????????? 10 xout (ao) ???A ?r?_??? ai ?? ao?? di ? do? pwr? 1:xin 2:f_sel0 3:v dd 4:ss_sel0 5: outm px 10: xout 9:f_sel1 8: vss 7:ss_sel1 6:c l kout
AK8125AV ms1257-j-01 2011/03 - 3 - Cxk 2.3.1 `??{O ss_sel1 ss_sel0 ` { l l ???????????? -0.25% l m ???????????? -0.5% l h ???????????? -1.5% m l ???????????? -3.0% m m ????????? m h ???????????? 0.125% h l ???????????? 0.25% h m ???????????? 0.75% h h ???????????? 1.5% 2.3.2 ?O f_sel1 f_sel0 ? ? (outmpx=lOr) ? (outmpx=mOr) ? (outmpx=hOr) l l 6.1 - 8.32mhz 6.1 - 8.32mhz 12.2 C 16.64mhz 24.4 C 33.28mhz l m 7.80 - 10.40mhz 7.80 - 10.40mhz 15.60 - 20.80mhz 31.20 C 41.60mhz l h 9.36 - 12.48mhz 9.36 - 12.48mhz 18.72 C 24.96mhz 37.44 C 49.92mhz m l 12.48 - 16.64mhz 12.48 - 16.64mhz 24.96 C 33.28mhz 49.92 C 66.56mhz m m 15.60 - 20.80mhz 15.60 - 20.80mhz 31.20 C 41.60mhz 62.40 C 83.20mhz m h 18.72 - 24.96mhz 18.72 - 24.96mhz 37.44 C 49.92mhz 74.88 C 99.84mhz h l 24.96 - 33.28mhz 24.96 - 33.28mhz 49.92 C 66.56mhz h m 31.20 - 41.60mhz 31.20 - 41.60mhz 62.40 C 83.20mhz h h 37.44 - 49.92mhz 37.44 - 49.92mhz 74.88 C 99.84mhz
AK8125AV ms1257-j-01 2011/03 - 4 - 3. ?? ~?? * vdd-vss g 0.1f ??????? M vdd3.03.6v ta-4085 *1 49.92mhz f_sel[1:0]=h/hO ???????????1.5% ss_sel[1:0]=h/hO ?=2 outmpx=mO clkout o??r vdd3.03.6vta-4085 ? min typ max g q high ?????R 0.85vdd mid ?????R 0.35vdd 0.50vdd 0.65vdd low ?????R 0.15vdd v ??? f_sel1,f_sel0 ss_sel1,ss_sel0 outmpx -40 +40 a high ?????R 0.8vdd i oh =-6ma low ?????R clkout 0.2vdd v i ol =+6ma ? ? min max g q ??R vdd -0.3 4.6 v ?? vss 0 0 v ?R vin vss-0.3 vdd+0.3 v iin -10 10 ma ? tstg -55 130 ? ? min typ max g q ? ta -40 85 ??R vdd 3.0 3.3 3.6 v ? cpl 15 pf ? ? min typ max g q M idd 6.5 10.0 ma *1
AK8125AV ms1257-j-01 2011/03 - 5 - vdd3.03.6vta-4085 ? min typ max g q ?k? xin xout 6.1 36 mhz ?? ??????????? xin 30 70 ?? xin 1 vpp ?rg clkout 1 5 ms *1 ???rg clkout 1 2 ms *2 clk ??????????? clkout 45 50 55 % clk ?rg clkout 1.5 3.0 ns 0.2vdd0.8vdd clk rg clkout 1.5 3.0 ns 0.8vdd0.2vdd ??????????? (peak-peak) clkout 600 ps ss_sel[1:0]=mm 1000 ???? cpl=15pf ????-???????? (peak) clkout 3.5.1 ps cpl=15pf (*1) ? vdd ?R_??0.1???rg (*2) ss_sel[1:0]??0.1???rg 3.5.1 ?????????????peak, typ./max. { ? ss -0.25,-0.5 0.125%,0.25% -1.5%,-3.0 0.75%,1.5% 6.1mhzQoutQ9.36mhz 700ps/1000ps 9.36mhzoutQ15.6mhz 100ps/300ps 400ps/700ps 15.6mhzoutQ24.96mhz 150ps/450ps 200ps/500ps 24.96mhzoutQ98.98mhz 1. cycle to cycle jitter: the variation in cycle time of a single between adjacent cycles, over a random sample of adjacent cycle pairs. ccj = | t cyclen - t cyclen+1 | : where t cycle n and t cyclen+1 are any two adjacent cycles measured on controlled edges. t cycle n t cycle n +1 1/2vdd clkout
AK8125AV ms1257-j-01 2011/03 - 6 - 2. long term jitter: 1000cycles after oscilloscope trigger. 1000 cycles clkout ltj vref
AK8125AV ms1257-j-01 2011/03 - 7 - ? vdd3.03.6vta-4085 ? min typ max g q 6.10 8.32 f_sel[1:0]=ll 7.80 10.40 f_sel[1:0]=lm 9.36 12.48 f_sel[1:0]=lh 12.48 16.64 f_sel[1:0]=ml 15.60 20.80 f_sel[1:0]=mm 18.72 24.96 f_sel[1:0]=mh 24.96 33.28 f_sel[1:0]=hl 31.20 41.60 f_sel[1:0]=hm ? xin 37.44 49.92 mhz f_sel[1:0]=hh {? ckout khz *1 - 1 - outmpx=l - 2 - outmpx=m ? ckout - 4 - outmpx=h, *2 - -0.25 - ss_sel[1:0]=ll - -0.5 - ss_sel[1:0]=lm - -1.5 - ss_sel[1:0]=lh - -3.0 - ss_sel[1:0]=ml - off - ss_sel[1:0]=mm - 0.125 - ss_sel[1:0]=mh - 0.25 - ss_sel[1:0]=hl - 0.75 - ss_sel[1:0]=hm ?{ ckout - 1.5 - % ss_sel[1:0]=hh -0.18 ss_sel[1:0]=ll, f_sel0=l -0.36 ss_sel[1:0]=lm, f_sel0=l -0.90 ss_sel[1:0]=lh, f_sel0=l -1.68 ss_sel[1:0]=ml, f_sel0=l -0.19 ss_sel[1:0]=ll, f_sel0=m -0.38 ss_sel[1:0]=lm, f_sel0=m -0.91 ss_sel[1:0]=lh, f_sel0=m -1.68 ss_sel[1:0]=ml, f_sel0=m -0.20 ss_sel[1:0]=ll, f_sel0=h -0.36 ss_sel[1:0]=lm, f_sel0=h -0.92 ss_sel[1:0]=lh, f_sel0=h ???????????r ? ?*3 ckout -1.68 % ss_sel[1:0]=ml, f_sel0=h *1 {??? {? = 40.0khz x ?k? / max ? mhz 10.0mhz r 40khz x 10.0mhz / 10.4mhz = 38.46khz *24 O?? 99.84mhz ??O??? *3?????r???|{|/2%???
AK8125AV ms1257-j-01 2011/03 - 8 - 4. ??`??tmsop-10g? 5. ?`?? ? ?? ? ? ? ? ?`???` 125av ? ?` xxx3 ? 0 ~ 10 +0.1 0.127 -0.05 2.9 0.2 0.5 0.2 0.1 5 1 10 6 2 . 8 0 . 2 4 . 0 0 . 2 0 . 5 5 0 . 2 + 0 . 1 0 . 1 - 0 . 0 5 1 . 0 m a x 5 xxx 125av 6 10
AK8125AV ms1257-j-01 2011/03 - 9 - ?? ?d?u??u???????u??? ???????H???dQ?? ??I???s?I?_J ?d?x????vB??u? ?h??CO????d?x ????vB??????? ???d?x????vB ?????????p?????? ?????????I?????? ???? ?du??Q???Y?????? ??H????S??? ?C??C?C???C? ???g???]?b???p?????? ?O??m??????u????????? ????? ?????u????????p ????????? ??????????o???u?????? p?????????a????
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