A high precision CMOS bandgap reference with second-order curvature-compensation

被引：6

作者：

Zhang, Chuan ^{[1
]}

He, Shuzhuan

Zhu, Ying

Gao, Minglun

机构：

[1] Nanjing Univ, Dept Phys, Inst VLSI Design, Nanjing 210093, Peoples R China

来源：

ASICON 2007: 2007 7TH INTERNATIONAL CONFERENCE ON ASIC, VOLS 1 AND 2, PROCEEDINGS | 2007年

关键词：

D O I：

10.1109/ICASIC.2007.4415690

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：

A high precision bandgap reference circuit with second-order curvature-compensation to improve the temperature coefficient in wider temperature range is presented in this paper. Simulation results with CSMC 0.6 mu m 2P2M CMOS process model show that, the design features a reference voltage of 1.255V at 25 degrees C. The temperature coefficient is less than 5.29ppm/degrees C at the range of -35 similar to 120 degrees C. With supply voltage variation of 2 similar to 5V, the line-regulation ratio is 110 mu V/V. And PSRR is -81.54dB. The active area of layout is 300 mu mx400 mu m. Test results based on 20 samples show a good agreement with the simulation results.

引用

页码：553 / 556

页数：4