Op-amp: Difference between revisions
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An '''operational amplifier''' (often '''op amp''', '''op-amp''', or '''opamp''') is a DC-coupledelectronic amplifier with a differential input, a (usually) single-ended output voltage, and an extremely high gain. Its name comes from its original use of performing mathematical operations in analog computers. The '''voltage-feedback opamp''' ('''VFOA''' or '''VFA''', the focus of this article) amplifies the voltage difference between its two inputs, while the less common ''current-feedback op amp'' (CFOA) amplifies the current between its two inputs. | |||
For more information, see [[wikipedia:Operational amplifier|Wikipedia]]. | |||
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[[Category:Scientific terms]] | [[Category:Scientific terms]] | ||
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Latest revision as of 15:13, 23 April 2026
An operational amplifier (often op amp, op-amp, or opamp) is a DC-coupledelectronic amplifier with a differential input, a (usually) single-ended output voltage, and an extremely high gain. Its name comes from its original use of performing mathematical operations in analog computers. The voltage-feedback opamp (VFOA or VFA, the focus of this article) amplifies the voltage difference between its two inputs, while the less common current-feedback op amp (CFOA) amplifies the current between its two inputs.
For more information, see Wikipedia.