common-mode rejection ratio

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common-mode rejection ratio

[′käm·ən ‚mōd ri′jek·shən ′rā·shō]
(electronics)
The ratio of the gain of an amplifier for difference signals between the input terminals, to the gain for the average or common-mode signal component. Abbreviated CMRR.
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For space-constrained industrial and instrumentation applications that demand precise measurement and high channel densities, the AD8222 offers designers twice the number of output channels and 40 dB higher common mode rejection ratio (CMRR) than competitive dual-channel in-amps, all in a package that is 50% smaller.
The AD8220 also achieves an 80 dB common mode rejection ratio (CMRR) up to 10 kHz (G=1), while competing in-amps guarantee only 72 dB to 200 Hz.
7, 1995--TelCom Semiconductor Tuesday announced the introduction of its TC7131 low power, high DC Common Mode Rejection Ratio (CMRR), 3-1/2 digit A/D converter.