Operational amplifier - Wikipedia, the free encyclopedia
1 Operation 1.1 Open loop amplifier 1.2 Closed loop 2 Op-amp characteristics 2.1 Ideal op-amps 2.2 Real op-amps 2.2.1 DC imperfections 2.2.2 AC imperfections 2.2.3 Non-linear imperfections 2.2.4 Power considerations 3 Internal circuitry of 741-type op-amp...