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[AK8135S] draft-j-00 2011/04 - 1 - ? AK8135S multi clock generator with vcfs AK8135S ?vcfsvoltag e controlle d frequency synthesizerpll i? ?`ic?1?30.000mhz??2?vcfs????? ??r????? L ??R 3.0v C 3.6v M (29) ma typ.?r?o??r ?? 30.000mhz ?? clk1 25.000mhz clk2 30.000mhz clk3-5 33.000mhz ref1-3 27.000mhz vcfs vcfs1 120ppm typ. vcfs2 135ppm typ. vcfsrg 31ppm/100msec typ. ?? cycle to cycle jitter clk1 33.3ps max.(1 ) clk2-5 50ps typ.(1 ) period jitter ref1-3 25ps typ.(1 ) long term jitter ref1-3 66.7ps typ.(1 ) ??` 48? lqfp (U?`) ? dvd, bd, hdd ?`dtvstb
[AK8135S] draft-j-00 2011/04 - 2 - ?? vref gnd vin1 fractional pll1 ref1 vcfs1 vin2 fractional pll2 ref3 vcfs2 ref2pd clk5pd vdd adc1 adc2 xi xo clk1 clk2 clk3 clk5 clk4 pll & divide logic crystal osc pll & divide logic test2 test3 test1 ref2 vdd vdd ref2pd clk5pd vref gnd vin1 fractional pll1 ref1 vcfs1 vin2 fractional pll2 ref3 vcfs2 ref2pd clk5pd vdd adc1 adc2 xi xo clk1 clk2 clk3 clk5 clk4 pll & divide logic crystal osc pll & divide logic test2 test3 test1 ref2 vdd vdd vdd vdd ref2pd clk5pd
[AK8135S] draft-j-00 2011/04 - 3 - h ? 38:clk2 39:clk5pd 40:vdd7 41:gnd7 42:ref3 43:gnd8 44:vdd8 45:vdd2 46:gnd2 47:gnd1 48:gnd1 37:gnd1 23:test3 22:gnd1 21:vdd5 20:gnd5 19:ref1 18:vdd4 17:gnd4 16:gnd1 15:ref2 14:gnd1 13:ref2pd 24:gnd1 25:vin2 26:gnd1 27:vin1 28:gnd1 29:vdd6 30:gnd6 31:xo 32:test1 33:xi 34:test2 35:gnd1 36:gnd1 12:clk1 11:gnd1 10:vdd3 9:vdd3 8:gnd3 7:gnd3 6:gnd2 5:vdd2 4:clk5 3:clk4 2:clk3 1:gnd1
[AK8135S] draft-j-00 2011/04 - 4 - ?Ch ? h 1 gnd1 pwr gnd 2 clk3 do 33.000mhz 3 clk4 do 33.000mhz 4 clk5 do clk5pd=?h? ? 33.000mhz ? clk5pd=?l? ? ?l? ??? 5 vdd2 pwr ? 6 gnd2 pwr gnd 7 gnd3 pwr gnd 8 gnd3 pwr gnd 9 vdd3 pwr ? 10 vdd3 pwr ? 11 gnd1 pwr gnd 12 clk1 do 25.000mhz 13 ref2pd di ?`O? ref2pd=?h? ? ref2 ? ref2pd=?l? ? ref2 ??? 57k ????? 14 gnd1 pwr gnd 15 ref2 do ref2pd=?h? ? 27.000mhz ? vcfs1 ref2pd=?l? ? ?l? ??? 16 gnd1 pwr gnd 17 gnd4 pwr gnd 18 vdd4 pwr ? 19 ref1 do 27mhz ? vcfs1 20 gnd5 pwr gnd 21 vdd5 pwr ? 22 gnd1 pwr gnd 23 test3 di ??? gnd ??A? 24 gnd1 pwr gnd 25 vin2 ai vcfs2 ??R 26 gnd1 pwr gnd 27 vin1 ai vcfs1 ??R 28 gnd1 pwr gnd 29 vdd6 pwr ? 30 gnd6 pwr gnd 31 xo ao 30.000mhz ???A? ??r_??? 32 test1 di ??? gnd ??A? 33 xi ai 30.000mhz ???A ??? 34 test2 di ??? gnd ??A? 35 gnd1 pwr gnd 36 gnd1 pwr gnd 37 gnd1 pwr gnd 38 clk2 do 30.000mhz 39 clk5pd di ?`O? clk5pd=?h? ? clk5 ? clk5pd=?l? ? clk5 ??? 57k ????? 40 vdd7 pwr ?
[AK8135S] draft-j-00 2011/04 - 5 - 41 gnd7 pwr gnd 42 ref3 do 27mhz ? vcfs2 43 gnd8 pwr gnd 44 vdd8 pwr ? 45 vdd2 pwr ? 46 gnd2 pwr gnd 47 gnd1 pwr gnd 48 gnd1 pwr gnd ?? ai= ??? ao= ??? di= ?? do= ?? pwr= ?
[AK8135S] draft-j-00 2011/04 - 6 - ?? ~?? ????????????? ????^? *vdd2-8 ??????? gnd g 0.1f ????? ?? M vdd3.03.6vta-2085 *1 ?o??r ? ? 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 -20 85 ??R vdd 3.0 3.3 3.6 v ? cpl 15 pf clk1-5 ref1-3 ? ? min typ max g q M idd (29) tbd ma *1
[AK8135S] draft-j-00 2011/04 - 7 - vdd3.03.6vta-2085 ? min typ max g q ?????R clk5pd ref2pd test1-3 0.7*vdd v ?????R ? 0.3*vdd v ??? 1 clk5pd ref2pd -134 -58 +1 a 57k???? ??? 2 test1-3 -1 +1 a ??? 3 vin1-2 -3 +3 a ?????R clk1-5 ref1-3 0.8*vdd v ioh=-4ma ?????R ? 0.2*vdd v iol=4ma
[AK8135S] draft-j-00 2011/04 - 8 - vdd3.03.6vta-2085 *1??k???? *2AK8135S k ?30ppm ???? *3 O?? *410000 ?? *5: ? vdd _?? ?+/-0.1%_??rg *6: q cpl ????? ? min typ max g q ?k? xi,xo 30.000 mhz *1 clk1 -30 0 +30 ppm 25.000mhz *1 clk2 -30 0 +30 ppm 30.000mhz *1 clk3-5 -30 0 +30 ppm 33.000mhz *1 ? ref1-3 -30 0 +30 ppm 27.000mhz vin1-2=0.5vdd *1 ref1-2 90 120 ppm 27.000mhz vin1=0.0vvdd g{ *1 *2 ??? ref3 105 135 ppm 27.000mhz vin2=0.0vvdd g{ *1 *2 vcfs rg ref1-3 31 ppm/100ms c/n ref1-3 72 db ?-15+15khz y rbw=1khzvbw=300hz cpl=15pf *3 *6 clk ?rg clk1-5 ref1-3 1.5 4.0 ns 0.2vdd->0.8vdd cp1=15pf *3 *6 clk rg ? 1.5 4.0 ns 0.8vdd->0.2vdd cp1=15pf *3 *6 clk1 33.3 ps cpl=15pf *3 *4 *6 ???? to ???????? (1) clk2-5 50 ps cpl=15pf *3 *4 *6 ??????????(1) ref1-3 25 tbd ps cpl=15pf *3 *4 *6 ??????????? (1000 ? 1 ) ref1-3 66.7 tbd ps cpl=15pf *3 *4 *6 clk2 42 50 58 % cpl=15pf *6 ??????????? clk1,3-5 ref1-3 45 50 55 % cpl=15pf *3 *6 ???rg clk1-5 ref1-3 1 ms cpl=15pf *5 *6
[AK8135S] draft-j-00 2011/04 - 9 - ?`x 1. cycle to cycle jitter: the variation in cycle ti me of a single between adjacent cycles, over a random sample of adjacent cycle pairs. jit cycle = ( t cycle n - t cycle n+1 ) : where t cycle n and t cycle n+1 are any two adjacent cycles measured on controlled edges. 2. period jitter: the deviation in cycle time of a si gnal with respect to the ideal period over a random sample of cycles. pairs. jit period = t cycle n - 1 / f0 : where f0 is the nominal output frequency and t cycle n is any cycle within the sample measured on controlled edges 3. long term jitter: 1000 cycles lt j vref 1000cycles after o scilloscope trigger. t cycle n 1/2vdd ref1-3 t cycle n t c y cle n+1 1/2vdd clk1-5 1/2vdd
[AK8135S] draft-j-00 2011/04 - 10 - Ch AK8135S vcfsvoltage controlled fr equency synthe sizer4-1 ?? ad Q??? pll ?? vin1 ? vin2 ???R? vcfs1 ?ref1ref2 v cfs2 ?ref3s0.25ppm ????? ?? vin1vin2 ?R ad Q??? fs=4.88khz ?v in1 ?vin2 ?????? lpf ?pwm???? dc ?????? ??? ? vin1/2 ?R [v] vcfs2:+135ppm 0ppm (27.0mhz) 0 vdd vdd 7 46 vdd 39 46 vdd 1 2 vcfs1:-120ppm vcfs1:+120ppm vcfs2:-135ppm ref1-3 ? ? adc flt vin1/2 high-resolution pll ref1-3 vcfs1/2 30.000mh pwm ? lpf AK8135S
[AK8135S] draft-j-00 2011/04 - 11 - ? ??Iu nx3225ga ? ? min typ max g q ? f0 30.000 mhz cl=8pf ?? r1 16 50 K c0 0.84 pf 30% ?? c1 3.53 ff 30% ?? l1 8.00 mh 30% ? 10 200 uw ? ? cl l1 r1 c1 c0 cl ?????`?
[AK8135S] draft-j-00 2011/04 - 12 - ??A ?ak8135c ??A c5 c4 gnd c10 cext2 cext1 x?tal = 30.000[mhz] sw2 vdd=3.3[v] AK8135S clk2 = 30.000[mhz] ref1 = 27.000[mhz] ref2 = 27.000[mhz] + sw1 clk3 = 33.333[mhz] ref3 = 27.000[mhz] c8 c9 c7 c6 gnd 38:clk2 39:clk5pd 40:vdd7 41:gnd7 42:ref3 43:gnd8 44:vdd8 45:vdd2 46:gnd2 47:gnd1 48:gnd1 37:gnd1 25:vin2 26:gnd1 27:vin1 28:gnd1 29:vdd6 30:gnd6 31:xo 32:test1 33:xi 34:test2 35:gnd1 36:gnd1 12:clk1 11:gnd1 10:vdd3 9:vdd3 8:gnd3 7:gnd3 6:gnd2 5:vdd2 4:clk5 3:clk4 2:clk3 1:gnd1 22:gnd1 21:vdd5 20:gnd5 19:ref1 24:gnd1 18:vdd4 17:gnd4 16:gnd1 15:ref2 14:gnd1 13:ref2pd 23:test3 c3 c1 clk4 = 33.333[mhz] clk5 = 33.333[mhz] clk1 = 25.000[mhz] c2 c lpf 1 r lpf 1 c lpf 2 pwm2 r lpf 2 c lpf 3c lpf 4
[AK8135S] draft-j-00 2011/04 - 13 - c1, c2, c3, c4, c5, c6, c7, c8, c9 : ?? 0.1 f c10 : ??? cext1, cext2 : ?????????g????? ? sw1, sw2 : clk5 ref2 on/off ??? r lpf 1, r lpf 2, c lpf 1, c lpf 2, c lpf 3, c lpf 4 : ? pwm ?????? ? lpf ?A
[AK8135S] draft-j-00 2011/04 - 14 - ??`??g? 48lqfp 0.09 0.20 1.00 12 13 24 25 36 37 48 7.000.10 9.000.15 9.000.15 7.000.10 1 0 b 7b 0.50 1.60max 1.400.05 0.100.05 0.600.15 s 0.10 m 0.10 s 0.220.05
[AK8135S] draft-j-00 2011/04 - 15 - ?`?? ? ?? ? ? ? ? ? ?`???` AK8135S ? ?` xxxxxxx7 ? 12 48 1 13 24 25 36 37 AK8135S xxxxxxx
[AK8135S] draft-j-00 2011/04 - 16 - ?d?u??u???????u??? ????????H???d Q????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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