Bipolar Op-Amp
input differential resistance:Rin0
ordinarily Rin0=0.1~10MΩ
Ideal Op-Amp (Gain=100k) with Rin0
Rin0 (kohm) Iin(nA) Rin(Mohm)
10 1nA 100
100 0.1nA 1000
1000 0.01nA 10000
Effective input resistance Rin of op-amp can be considered to be infinite.
