Common-mode rejection of monolithic operational amplifiers
- 1 December 1970
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Solid-State Circuits
- Vol. 5 (6), 365-367
- https://doi.org/10.1109/jssc.1970.1050145
Abstract
A simple expression is derived for the common-mode rejection ratio (CMRR) of monolithic operational amplifiers in terms of transistor processing parameters. The tradeoffs between transistor current gain and CMRR are investigated. The feasibility of 120-dB CMRR is demonstrated with a common-emitter differential pair. The addition of eight active devices can further improve CMRR, although at the expense of other parameters.Keywords
This publication has 1 reference indexed in Scilit:
- The Common-Mode Rejection of Transistor Differential AmplifiersIEEE Transactions on Circuit Theory, 1966