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Output offset voltage is the output of an operational amplifier when the two inputs are shorted together (and often tied to ground).

>> The output offset voltage (Voo) is caused by mismatching by two input terminals. Even though all the components are integrated on the same chip, it is not possible to have two transistors in the input differential amplifier stage with exactly the same characteristics. This means that the collector currents in these two transistors are not equal, which causes a differential output voltage from the first stage. The output of first stage is amplified by following stages and possibly aggravated by more mismatching between them. Thus the output voltage caused by mismatching between two input terminals is the output offset Voo .

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14y ago

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you simply multiply input offset voltage with gain of the amplifier

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12y ago
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Q: How do you calculate output offset voltage?
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