Title :
Analysis and design of a fast-settling folded-cascode CMOS operational amplifier for switched-capacitor applications
Author :
Yang, Howard C. ; Abu-Dayeh, Mahmoud A. ; Allstot, David J.
Author_Institution :
Dept. of Electr. & Comput. Eng., Oregan State Univ., Corvallis, OR, USA
Abstract :
A complete analysis of the commonly used one-stage folded cascode CMOS operational amplifier (opamp) is given. A simple two pole circuit model is developed and used to design the opamp for the minimum settling time (MST) response in switched-capacitor applications. The MST design equation for the opamp is given in terms of the desired settling accuracy
Keywords :
CMOS integrated circuits; linear integrated circuits; linear network analysis; linear network synthesis; operational amplifiers; switched capacitor networks; CMOS operational amplifier; design equation; fast-settling folded-cascode; one-stage folded cascode; opamp; settling accuracy; switched-capacitor applications; two pole circuit model; Application software; Capacitance; Equations; Frequency; Operational amplifiers; Semiconductor device modeling; Switched capacitor circuits; Time factors; Transfer functions; Voltage;
Conference_Titel :
Circuits and Systems, 1989., Proceedings of the 32nd Midwest Symposium on
Conference_Location :
Champaign, IL
DOI :
10.1109/MWSCAS.1989.101886
