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author:

陈寿昌 (陈寿昌.) [1] | 魏榕山 (魏榕山.) [2] (Scholars:魏榕山)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用Global Foundries 0.18 μm工艺,设计了一种适用于12位SAR ADC的低功耗数模转换器.分析了提高分辨率对传统DAC结构功耗、面积的影响.通过采用电容串联与set-down开关策略,使DAC总电容值仅为传统结构的1/4,开关功耗降低为传统结构的9.4%.版图设计以中心对称为原则,低位电容靠近开关电路,降低了工艺、寄生参数对电容阵列的影响.仿真结果表明,DNL=-0.05~+0.45 LSB,INL=-0.3~+0.5 LSB,符合12位DAC的设计要求.

Keyword:

开关策略 数模转换器 电容串联 逐次逼近

Community:

  • [ 1 ] [陈寿昌]福州大学
  • [ 2 ] [魏榕山]福州大学

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Source :

微电子学

ISSN: 1004-3365

CN: 50-1090/TN

Year: 2015

Issue: 2

Volume: 45

Page: 169-173

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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