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1
?????????????????? ??? ?? ????????? ????????????
????????? ?? ?????? ???? ??????????
  • ?. ?. ???????, ?. ?. ???????, ?. ?. ?????

2
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  • ????????????? ????-????????? ? ????????
    ???????????
  • ??????-???????????? ??? ?? ?????? ?????????????
    ??????? ????????????
  • ?????????? ????????? ????????? ????????? ???
  • ?????????????.

3
????????????? ????-????????? ? ????????
???????????
  • ?????????? ?????? ???????????? U??? ????
    ????????? ???????????? ??? ??????? U??
  • ?????????? ?????? ???????????? ????????
    ???????????? ????/????? ???????? ????????????
  • ??????????? ????????????? ???????????? ???????
    ??????? ??????????

J. Yoo, K. Choi, and A. Tangel. A 1-GSPS CMOS
Flash A/D Converter for System-on-Chip
Applications, IEEE Computer Society Workshop on
VLSI, pp. 135-139, 2001. (250nm CMOS, 8-bit,
1GS/s, 0.9Vp-p, 256mW, 0.23mm2)
4
????????????? ????-????????? ? ????????
???????????
  • ???????????? ????????????? ????-????????? ???
    ???????????
  • ?? ????????? ???????? ???????? ????????
    ?????????? ? ??????????? ???????? ???
    ???????????? ??????? ?????????? ??? ???????
    ???????????.
  • ?? ????????? ?????????????? ???????? ????????
  • ????? ?????????? ??????? ?? ?????????, ???????
    ??????????????
  • ??????????? ???????????? ?? ??????????? ????????
    ???? ??????????

5
????????????? ????-????????? ? ????????
???????????
  • ?????????? ????????????? ????-????????? ???
    ???????????
  • ??? ???????, ???????????? ??? ? ????????????? ??
    ?????? ????-?????????? ????? ??????????? ??
    ????? 5 ???
  • ??????????? ??????????? ?? ????????? 4 ???
  • ?????? ???????? ??????? ?? ????? 10 ??
    ?????????? ???????
  • ??????? ???????? ???????? ????? p-???
    ????????????
  • ??????? ???????? ??????????? ?????????? ??????
    ???????????? ???? ?????????? ??
  • ??????????? ?????????
  • ???????? ?????????? ???????????? ???
    ????????????

6
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
7
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
  • ?????? ????? ???????????? (7 ????????????)
  • 9 ?????? ???????????? ?????????? 63 ??????????
    ?????? ????????????
  • ??????? ???????? ???????????? L0.44???,
    Wn0.44???, 0.5???Wp5.9???

8
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
  • ?????????? ??????? ???????????? ??????
    ????????????

? ????? U???, ?? U???, ?? U???, ?? U???, ?? U???, ?? U???, ?? U???, ??
1 310 220 130 40 -50 -140 -230
2 300 210 120 30 -60 -150 -240
3 290 200 110 20 -70 -160 -250
4 280 190 100 10 -80 -170 -260
5 270 180 90 0 -90 -180 -270
6 260 170 80 -10 -100 -190 -280
7 250 160 70 -20 -110 -200 -290
8 240 150 60 -30 -120 -210 -300
9 230 140 50 -40 -130 -220 -310
9
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
  • ?????????? ????????????? ??????????? U??? ??
    ??????????? ? ???????????? ???????? ???
    ?????????? ????? ????????????

10
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
  • ?????????? ????????????? ??????????? U??? ??
    ??????????? ? ???????????? ???????? ??? 9 ??????
    ????????????

11
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
  • ?????????? ????????????? ??????????? U??? ??
    ???????? ?????????? ??????? ??? ?????????? ?????
    ????????????

12
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
  • ????????? ?????????? ?????? ????????????
  • ??? ????????? ???????????? ?????????? ?????????
    ???? ?????, ?????? ???????????????? ????????????
  • ?????? ???????? ??? ? ???????? 8??ltU???lt12??
  • ????? ???? ??? ? ???????? -50??ltUOFFSETlt50??
  • ????????? ??????????? ????????????? ???
    ??????????? ?????? ????.

13
??????-???????????? ??? ?? ?????? ?????????????
??????? ????????????
  • ???????? ?? ?????? ???????????????
  • J.Lee, M.Choi, M.Park, B.Park. A 7b 1GS/s 60mW
    Folding ADC in 65nm CMOS, ISOCC, pp. 338-341,
    2010.

???????? ??????? ?? 57 ???????????????.
???????? ????? ??? ??????? ????????
????????????? ????????????? ???
14
?????????? ????????? ????????? ????????? ???
  • ??????????????? ????????? ???
  • ??????? ??? ????? ?????? ?????? 120??? ?? 60???

?????? ????????? ??????? ??? ???????? ??????? 100
???, ??????? ??????? 3,5 ???, ?????????
??????/??? 31,3 ??
15
?????????? ????????? ????????? ????????? ???
  • ???????????? ?????????? ??????-????????????? ???
    ??????????? 6 ??? ? ?????????????? ????????????
    ?? ?????? ???? ??????????

????. ???????, ? ?????? ??. ????., ? ???????????, ??? ???????? ???????, ??? ????. ????????, ??? INL/DNL, ??? ENOB, ??? FoM, ???/??????
0.9 0.32 6 100 1,9 0,9/0,6 4,91 0,63
  • ???????? ?????????? ?? 180?? ???? ??????????
    ????? UMC
  • ??? ?????????, ? ??????? 1 ? 2 ????????????
    ??? ???????????? 6 ???, ???????? FoM ???????? 0,9
    ???/?????? ? 0,8 ???/?????? ??????????????
  • 1 H. Wei, U. Chio, S. Sin, R. Martins, A power
    scalable 6-bit 1.2 Gs/s Flash ADC with Power
    on/off track-and-hold and preamplifier // IEEE
    International Symposium on Circuits and
    Systems. 2008. P. 58.
  • 2 Ch.-Y. Chen, M. Q. Le, K. Y. Kim, A
    Low Power 6-bit Flash ADC With Reference
    Voltage and Common-Mode Calibration // IEEE
    Journal of Solid-State Circuits. April 2009.
    V. 44. ? 4. P. 1041-1046.

16
?????????????
  • ?????? ???????? ????????????? ?????? ????????????
    ????????? ? ?????? (Integrated Circuits and
    Systems) ????????? ???????????? ?????????
    ??????????? (Fraunhofer-Institut für Integrierte
    Schaltungen IIS), ????????, ?? ?????? ?
    ???????????? ?????? ???????? ??????????
    ?????????.
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