Archivio Istituzionale della RicercaA nonlinear mechanism which affects common-mode rejection (CMR) of fully differential integrated operational amplifiers (opamps) is highlighted and analysed by computer simulations. In particular, it is shown how the finite CMR of fully differential opamp circuits under practical operating conditions is mainly related to such a mechanism rather than to transistor mismatch.
Finite Common-Mode Rejection in Fully Differential Operational Amplifiers / Crovetti, Paolo Stefano; Fiori, Franco. - In: ELECTRONICS LETTERS. - ISSN 0013-5194. - STAMPA. - 42:11(2006), pp. 615-616. [10.1049/iel:20060748]
Finite Common-Mode Rejection in Fully Differential Operational Amplifiers
CROVETTI, Paolo Stefano;FIORI, Franco
2006
Abstract
A nonlinear mechanism which affects common-mode rejection (CMR) of fully differential integrated operational amplifiers (opamps) is highlighted and analysed by computer simulations. In particular, it is shown how the finite CMR of fully differential opamp circuits under practical operating conditions is mainly related to such a mechanism rather than to transistor mismatch.
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https://hdl.handle.net/11583/1640270
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