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What is the use of the compensation capacitor in op-amp?

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What is the use of the compensation capacitor in op-amp?

(a) Improves the amplification of op-amp

(b) Decreases the slew rate of op-amp

(c) Increases the bandwidth of op-amp

(d) Op-amp acts as all pass filter

The question was asked at a job interview.

My question is based upon Operational Amplifiers in division Op-amps and its Applications of Analog Circuits

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Correct option is (b) Decreases the slew rate of op-amp

Easy explanation: Compensation capacitor in the internal structure of op-amp to improve its frequency response, increasing its stability. It also decreases the slew rate of the op-amp.

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