A Compact High-Accuracy Rail-to-Rail CMOS Operational Amplifier

被引：0
|
作者：
Wang, X. Y. [1 ]
Yu, L. [1 ]
Wang, L. [1 ]
机构：
[1] Chinese Acad Sci, Shenzhen Inst Adv Technol, Inst Biomed Engn & Hlth Technol, Shenzhen, Peoples R China
来源：
2010 4TH INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING (ICBBE 2010) | 2010年
关键词：
Op-Amp; rail-to-rail; robustmess; INPUT-STAGE; OP-AMP; VOLTAGE; DESIGN; OPAMP;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
compact high-accuracy rail-to-rail CMOS operational amplifier (Op-Amp) is presented using strong inversion techniques to achieve power consumption of 90 mu W under 1.8V supply voltage. Two complementary differential pair techniques and one-versus-three current mirror compensation techniques are adopted to realize wide input dynamic range, while the output stage provides rail-to-rail output drive through the use of resistor-compensation circuits (RCC) and self-regular circuits (SRC). Simulation results demonstrated that the active area is only 0.001mm2 and the transconductance variation can be restricted to +/- 5% hence the accurate of common-mode rang (99.9%) was improved as well as the total harmonic distortion.
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页数：4
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