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author:

施雨达 (施雨达.) [1] | 陈群超 (陈群超.) [2]

Indexed by:

PKU

Abstract:

为了解决高精度逐次逼近型模数转换器(SAR ADC)中电容失配对精度的影响,设计了一种二阶误差反馈型失配误差整形(EFMES)16位精度、500 kS/s采样率、3.3 V工作电压的SAR ADC.采用二阶EFMES结构和动态元件匹配技术,降低了电容失配对ADC精度的影响.该EFMESSAR ADC采用SMIC 0.18μm CMOS工艺设计.在输入信号幅度为2.6 V、采样率为500 kS/s 时,该 ADC 的功耗为 8.382 mW,SNDR 为 93.67 dB,ENOB 为 15.27 位,基于 SNDR 的FoM 为 168.4 dB.

Keyword:

动态元件匹配 电容失配 误差反馈型失配误差整形 逐次逼近型模数转换器

Community:

  • [ 1 ] [陈群超]福州大学
  • [ 2 ] [施雨达]福州大学

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Source :

微电子学

ISSN: 1004-3365

Year: 2022

Issue: 2

Volume: 52

Page: 306-311

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: 2

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