DocumentCode
2565159
Title
A fast-settling CMOS op amp with 90 dB DC-gain and 116 MHz unity-gain frequency
Author
Bult, Klaas ; Geelen, Govert
Author_Institution
Philips Research Lab., Eindhoven, Netherlands
fYear
1990
fDate
14-16 Feb. 1990
Firstpage
108
Lastpage
109
Abstract
An op amp that exhibits single-pole settling behavior using an auxiliary amplifier that boosts gain without degrading settling time is described. The technique for increasing the DC gain is based on increasing cascoding by adding an additional gain stage. In this way the output impedance present at a node is increased by the gain of the additional gain stage.<>
Keywords
CMOS integrated circuits; linear integrated circuits; operational amplifiers; 116 MHz; 90 dB; CMOS; DC-gain; auxiliary amplifier; cascoding; fast-settling; op amp; single-pole settling behavior; Bandwidth; Degradation; Frequency measurement; Impedance; Laboratories; Leakage current; Operational amplifiers; Switches; Switching circuits; Transconductance;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 1990. Digest of Technical Papers. 37th ISSCC., 1990 IEEE International
Conference_Location
San Francisco, CA, USA
Type
conf
DOI
10.1109/ISSCC.1990.110152
Filename
110152
Link To Document