CMOS operational amplifier-1

A very-high-slew-rate CMOS operational amplifier
R Klinke, BJ Hosticka… – Solid-State Circuits, IEEE …

Abstract The amplifier uses a circuit to inject an extra bias current into a conventional source-
coupled CMOS differential input stage in the presence of large differential input signals. This
measure substantially increases the slew rate of an operational amplifier for a given