Design of Novel Chopper Stabilized Rail-to-Rail Operational Amplifier

被引：0
|
作者：
Xu Yong [1 ]
Zhao Fei [2 ]
Sun Zheng [1 ]
Wu Yuanliang [1 ]
机构：
[1] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Jiangsu, Peoples R China
[2] PLA Univ Sci & Technol, Inst Command Informat Syst, Nanjing 210007, Jiangsu, Peoples R China
来源：
PROCEEDINGS OF 2015 IEEE 11TH INTERNATIONAL CONFERENCE ON ASIC (ASICON) | 2015年
关键词：
Operational Amplifier; Cascade Amplifier; Chopper Stabilized; Rail-to-Rail;
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：
A chip design of novel chopper stabilized operational amplifier was presented, chopper-wave modulation and demodulation was used in this architecture, and its 1/f noise was decreased largely. To extend input common mode voltage range, a novel rail-to-rail differential amplifier was adapted in the input stage. The range of input common mode voltage was from zero to power supply, and it only consumed about 22 mu A current. When input signal frequency was 1 KHz, and the output signal THD was only 0.01%.
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页数：4
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