A low-voltage CMOS class-AB operational amplifier

被引：0
|
作者：
Vincence, VC [1 ]
Montoro, CG [1 ]
Schneider, MC [1 ]
机构：
[1] Univ Fed Santa Catarina, BR-88040900 Florianopolis, SC, Brazil
来源：
2002 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL III, PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a CMOS low-voltage operational amplifier (opanip), which uses a minimum selector circuit to control the class AB operation of the output stage. The opamp basic characteristics are analyzed and simulated using the SMASH 4.0 simulator with the A CM model of the MOSFET The supply voltage is 1.5V and the total quiescent current is 4muA for a unity-gain frequency of 1MHz. The class AB opanip was designed to operate in a sample-hold of the switched-MOSFET technique (SM) [1, 2], supplying a load with RC characteristic.
引用
收藏
页码：603 / 606
页数：4
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