Glossary Definition for PSRR

Definition

Power Supply Rejection Ratio (PSRR) is the ability of an amplifier to maintain its output voltage as its DC power-supply voltage is varied.

  PSRR = (change in Vcc)/(change in Vout)

See also: Ripple rejection, which is degree of immunity from AC in the power supply.

Synonyms

• Power Supply Rejection Ratio

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