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author:

陈寿昌 (陈寿昌.) [1] | 魏榕山 (魏榕山.) [2]

Indexed by:

PKU CSCD

Abstract:

采用Global Foundries 0.18μm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setdown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~+0.45LSB,INL=-0.3~+0.5LSB,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 ] 福州大学物理与信息工程学院

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Source :

微电子学

Year: 2015

Issue: 02

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:

Chinese Cited Count:

30 Days PV: 1

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