
Operational Amplifier Circuits
Operational Amplifier Circuits Review: Ideal Op-amp in an open loop configuration Ro Ri + _ Vp Vn Vi + _ AVi + Vo Ip In An ideal op-amp is characterized with infinite open–loop gain A→∞ The other relevant conditions for an ideal op-amp are: 1. Ip =In =0 2. Ri =∞ 3. Ro =0 Ideal op-amp in a negative feedback configuration