A high bandwidth gm-constant rail-to-rail CMOS OPAMP for low voltage VLSI systems

被引：0
|
作者：
Ji, C [1 ]
Ye, F [1 ]
Ron, JY [1 ]
Xu, J [1 ]
机构：
[1] Fudan Univ, ASIC & Syst State Key Lab, Shanghai 200433, Peoples R China
来源：
2001 4TH INTERNATIONAL CONFERENCE ON ASIC PROCEEDINGS | 2001年
关键词：
CMOS OPAMP; rail; to-rail; input transconductance;
D O I：
10.1109/ICASIC.2001.982544
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A rail-to-rail CMOS input stage is presented with its transconductance nearly independent of the common-mode (CM) level. Since its operation does not rely on analytical square law, it has less dependency on the process and is applicable to deep sub-micron technologies. A high bandwidth OPAMP is proposed based on this transconductance. The OPAMP has featured with rail-to-rail input as well. In the case of the input CM level, it can avoid rigorous control and lead output signal to a full swing across the power supply range.
引用
收藏
页码：248 / 250
页数：3
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