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author:

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

Indexed by:

CQVIP

Abstract:

提出了一个低功耗斩波-稳定运算放大器.传统的斩波运算放大器为了抑制失调电压引起的纹波通常会使用低通滤波器,因此无法获得较大带宽.而斩波-稳定放大器使用两条信号通路可以在减小纹波幅度的同时获得尽量大的带宽.通过Spectre仿真,电路的单位增益带宽为350KHz,总电流消耗30μA,残余纹波幅度为90μV.电路总体性能与使用低通滤波器的传统斩波运算放大器相比具有一定优势.

Keyword:

低功耗 斩波-稳定放大器 纹波幅度

Community:

  • [ 1 ] [魏榕山]福州大学
  • [ 2 ] [朱睿]福州大学

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Source :

中国集成电路

ISSN: 1681-5289

CN: 11-5209/TN

Year: 2017

Issue: 7

Volume: 26

Page: 30-33,53

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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