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What is CMRR? Explain briefly.
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Answer Posted / rameshkrishnan.r
The common-mode rejection ratio (CMRR) of a differential
amplifier (or other device) is the tendency of the devices
to reject the input signals common to both input leads.
A high CMRR is important in applications where the signal
of interest is represented by a small voltage fluctuation
superimposed on a (possibly large) voltage offset, or when
relevant information is contained in the voltage difference
between two signals.
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