A given op-amp has an open loop gain of 110 dB and a CMRR rating of 100 dB. What should be the open loop common mode gain of this op-amp ?

A given op-amp has an open loop gain of 110 dB and a CMRR rating of 10

1.	A given op-amp has an open loop gain of 110 dB and a CMRR rating of 100 dB. What should be the open loop common mode gain of this op-amp ?
A.	1.10 dB
B.	10 dB
C.	210 dB
D.	105 dB
Answer» C. 210 dB