Implementation of a Low TC High PSRR CMOS Bandgap Voltage Reference Circuit

被引：0
|
作者：
Peng, Xiaohong [1 ]
Zhang, Zhe [1 ]
Geng, Shuqin [1 ]
Wang, Sen [1 ]
Tang, Haonan [1 ]
Wang, Yu [1 ]
Nie, Fengjun [1 ]
机构：
[1] Beijing Univ Technol, Coll Microelect, Beijing, Peoples R China
来源：
2020 IEEE 14TH INTERNATIONAL CONFERENCE ON ANTI-COUNTERFEITING, SECURITY, AND IDENTIFICATION (ASID) | 2020年
关键词：
CMOS analog integrated circuit design; BGR; low TC; high PSRR;
D O I：
10.1109/asid50160.2020.9271666
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, a new low temperature coefficient (TC) high power supply rejection ratio (PSRR) bandgap voltage reference is presented in CMOS technology. In order to achieve low TC and high PSRR voltage reference with small area overhead and good practicability, the proposed circuit uses a curvature correction method based on sub-threshold current and a PSRR enhancement circuit. When the power supply voltage is 3.3V, this circuit is devised and verified using 0.18 mu m CMOS process. The results show the output voltage is constant at 1.247V at room temperature. The output voltage range is 0.674 mV and TC is 3.029ppm/degrees C in a wide temperature range of -55 degrees C to 125 degrees C. The measured PSRR is 98.36dB at lKHz and more than -44.28 dB at 1MHz.
引用
收藏
页码：90 / 93
页数：4
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