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author:

林宏凯 (林宏凯.) [1] | 陈群超 (陈群超.) [2]

Indexed by:

PKU

Abstract:

设计了一种低功耗∑-△ ADC.该ADC采用三阶前馈1 bit的结构.为了降低功耗,开关电容积分器的OTA采用动态反相放大器,其具有低功耗、全动态工作、全差分的电路结构、稳定共模点无需CMFB等优点.在SMIC 0.18μm CMOS工艺下的仿真结果表明,在20 kHz带宽内,4 MHz的采样时钟下,信噪失真比(SNDR)可以达到91.9 dB,动态范围(DR)达到101 dB,有效位数约为15 bit.在1.2 V电源电压下,整体功耗为78 μW.

Keyword:

低功耗 动态反相放大器 动态比较器 ∑-△调制器

Community:

  • [ 1 ] [林宏凯]福州大学
  • [ 2 ] [陈群超]福州大学

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Source :

微电子学

ISSN: 1004-3365

CN: 50-1090/TN

Year: 2022

Issue: 2

Volume: 52

Page: 236-239

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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