Question

Compare the following terms related to a practical op-amp in brief with respect to ideal op-amp.
(a) Bandwidth
(b) Slew rate
(c) Input offset voltage
(d) Common mode rejection ratio
(e) Open loop gain.

Answer 1

Characteristics	Ideal op-amp	Practical op-amp.
Bandwidth	∞	Few MHZ
Slew rate	∞	0.5V/us.
Input offset voltage	0	Few mV.
CMRR	∞	90 dB.
Open loop gain	∞	10