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How can we distinguish a comparator and differntial amplifier under open loop condition by the circuit diagram
how can we distinguish a comparator and differntial amplifier under open loop condition by the circuit diagram
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Anshum Sharma![best-answer]()
Comparators are generally operated with an open loop, whereas op amps are generally operated with a closed loop. A comparator can be used with a closed loop to add hysteresis. An op amp can be used as a comparator when configured for an open loop, but this is not recommended. Overall, op amps are recommended for linear operation and comparators for voltage comparison. It is possible to use certain op amps as comparators with an open loop configuration, but performance in such a mode will be poor and/or unpredictable compared to a comparator. And some op amps may be destroyed when used in such a configuration.