A high-speed CMOS current op amp for very low supply voltage operation

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Abstract

A CMOS implementation of a high-gain current mode operational amplifier (op amp) with a single-ended input and a differential output is described. This configuration is the current mode counterpart of the traditional voltage mode op amp. In order to exploit the inherent potential for high speed, low voltage operation normally associated with current mode analog signal processing, the op amp has been designed to operate off a supply voltage of 1.5 V, and the signal path has been confined to N-channel transistors. With this design, a gain of 94 dB and a gain-bandwidth product of 65 MHz has been achieved at a power consumption of 30 μW
Original languageEnglish
Title of host publicationProceedings of the IEEE International Symposium on Circuits and Systems
VolumeVolume 5
PublisherIEEE
Publication date1994
Pages509-512
ISBN (Print)07-80-31915-X
DOIs
Publication statusPublished - 1994
Event1994 IEEE International Symposium on Circuits and Systems - London, United Kingdom
Duration: 30 May 19942 Jun 1994
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=3224

Conference

Conference1994 IEEE International Symposium on Circuits and Systems
Country/TerritoryUnited Kingdom
CityLondon
Period30/05/199402/06/1994
Internet address

Bibliographical note

Copyright: 1994 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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