A novel 1.8V rail-to-rail CMOS operational amplifier

被引：0
|
作者：
Zhu, ZM [1 ]
Yang, YT [1 ]
Zhai, Y [1 ]
机构：
[1] Xidian Univ, Inst Microelect, Xian 710071, Peoples R China
来源：
2004: 7TH INTERNATIONAL CONFERENCE ON SOLID-STATE AND INTEGRATED CIRCUITS TECHNOLOGY, VOLS 1- 3, PROCEEDINGS | 2004年
关键词：
rail-to-rail; CMOS; constant transconductance; operational amplifier; low power;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Based on TSMC 0.25um CMOS process, a novel 1.8 V Rail-to-Rail operational amplifier with a constant g(m) input stage is proposed with low-power and high gain. The whole circuit is implemented in TSMC 0.25 mu m 2P5M CMOS technology. With a single power supply of 1.8 V in simulation, it shows that the Rail-to-Rail operational amplifier has a open loop gain of 108.6 dB, phase margin of 57.2 degree and unit gain bandwidth of 5 MHz, and the total power dissipation is 0.23 mW.
引用
收藏
页码：1445 / 1448
页数：4
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