Dynamic amplifiers: settling, slewing and power issues

Feng Wang, Ramesh Harjani

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

The settling behavior and power consumption of dynamic opamps are considered. The dynamic opamp is compared with a class A opamp for different clock frequencies. A single pole model in a closed loop configuration is used to estimate slewing and settling behavior. SPICE simulation results agree with theoretical predictions. It is shown that for the same power consumption dynamic opamps settle much faster than class A opamps. Dynamic opamps are particularly well suited for ultra low power switched-capacitor designs.

Original languageEnglish (US)
Pages (from-to)319-322
Number of pages4
JournalProceedings - IEEE International Symposium on Circuits and Systems
Volume1
StatePublished - Jan 1 1995
EventProceedings of the 1995 IEEE International Symposium on Circuits and Systems-ISCAS 95. Part 3 (of 3) - Seattle, WA, USA
Duration: Apr 30 1995May 3 1995

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