共栅
输入偏移电压
运算放大器
运算跨导放大器
电子工程
跨导
计算机科学
偏移量(计算机科学)
CMOS芯片
电压
电气工程
放大器
工程类
晶体管
程序设计语言
作者
Cristian Stancu,D. Dobrescu,Lidia Dobrescu
标识
DOI:10.1109/ecai54874.2022.9847308
摘要
Low voltage operational amplifiers design uses diverse innovative techniques for increasing their performance. Offset voltage is a key parameter that must be constantly reduced. Two-stage folded cascode using a differential input stage and an AB class output stage is an advanced design solution in CMOS technology. This paper focuses the offset voltage of this type of operational amplifier and highlights mutual transconductance and threshold voltage as important factors that can be used to minimize the offset voltage as much as possible. Distinct reduction methods for this important parameter are also established.
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