Operational Amplifiers

Operational Amplifiers
Dongmei Li Electronic Engineering Dept. ,Tsinghua University Advanced Analog Integrated Circuits




Operational Amplifiers
Important Parameters
One-Stage Op Amps
Two-Stage Op Amps
Gain boosting
Common-Mode Feedback
Slew Rate


1
Fall, 2004
 Dongmei Li Electronic Engineering Dept. ,Tsinghua University Advanced Analog Integrated Circuits




Cascode Op Amps




Telescopic cascodes

A0~ gmN[(gmNr2oN// gmP r2oP)] , at the cost of output
swing and additional poles