A differential amplifier is invariably used in the i/p stage of all OP-amps. This is done basically to provide the OP-amps with a very high

A differential amplifier is invariably used in the i/p stage of all O

1.	A differential amplifier is invariably used in the i/p stage of all OP-amps. This is done basically to provide the OP-amps with a very high
A.	CMMR
B.	Bandwidth
C.	Slew rate
D.	Open-loop gain
Answer» D. Open-loop gain