Non-Ideal Op Amps: Input Offset Voltage

Input offset voltage is one of the non-ideal characteristics of an op amp. It can be modeled as a small voltage source in series with one of the input terminals of the op amp. Input offset voltage is an unavoidable property because it is due to the semiconductor manufacturing process. It can be compensated for either through modifications to the external circuit or by adding compensation inside the op amp during manufacturing.

This video explains what input offset voltage is, how it effects various op amp circuits, and different ways to compensate for it.

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[abheetl]

Four minutes is all it took to understand what input offset voltage is, thank you so much!

[aaronvanrossum]

This is absolutely fantastic explaining on input offset voltage and how to account for it in designs.

[stefanopassiglia]

Excellent lecture! Really one of the best I've seen that explains the input offset voltage

[twinq]

This is the same way how you analyze noise gain for opamps. The noise gain will be the non inverting gain even in an inverting opamp. Good video thumbs 👍.

[protocolfree]

wow@ at that site ! since when was that site up ? i demand an explanation ( just kiddin ). good job Monsieur David

[austinwild]

Very good video that saved my broken mind. The likes are at 69, so you won't get a like from me at the moment.