| 摘要 |
An operational amplifier comprising output stages K2 and K3 for outputting an output signal So in response to an input signal Si, wherein;said output stages perform a push-pull operation respectively in response to a plurality of specific signals generated on the basis of said input signal and have a plurality of output stage transistors M65 and M66 for generating said output signal as a result of said push-pull operation, andsaid plurality of specific signals are generated as signals being substantially equal to each other in delay time until they are inputted respectively into said plurality of output stage transistors.
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