A Piecewise-Line Compensated CMOS Bandgap Reference

XU Xiao-li; FENG Quan-yuan

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A Piecewise-Line Compensated CMOS Bandgap Reference

更新时间：2026-09-04

- A Piecewise-Line Compensated CMOS Bandgap Reference
- Vol. 27, Issue 1, Pages: 25-28(2010)
- 作者机构：
  
  西南交通大学微电子研究所,四川,成都,610031
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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许小丽, 冯全源. 一种高温度性能的CMOS带隙基准源[J]. 微电子学与计算机, 2010, 27(1): 25-28.

XU Xiao-li, FENG Quan-yuan. A Piecewise-Line Compensated CMOS Bandgap Reference[J]. 2010, 27(1): 25-28.
许小丽, 冯全源. 一种高温度性能的CMOS带隙基准源[J]. 微电子学与计算机, 2010, 27(1): 25-28. DOI：

XU Xiao-li, FENG Quan-yuan. A Piecewise-Line Compensated CMOS Bandgap Reference[J]. 2010, 27(1): 25-28. DOI：

摘要

提出了一种正负温度系数电流产生电路

使用分段线性温度补偿技术用于传统的电流模式基准电路中

改善CMOS带隙基准电路在宽温度范围内的温度漂移.采用0.18μm CMOS混合信号工艺

对该电路进行了设计.在1.8V的电源电压条件下

基准输出电压为0.801 V

温度系数在-40℃-125℃范围内可达到2.7ppm/℃

电源电压从1.5V变化到3.3V的情况下

带隙基准的输入电压调整率为1.2 mV/V.

Abstract

This paper presents a positive-negative temperature coefficient current generator

which is added to a traditional current mode reference circuit

so that Piecewise-Linear temperature Compensated technique can be used to improve the temperature drift of CMOS bandgap reference circuit within wider temperature range.The proposed circuit is designed by 0.18μm CMOS mix-signal technology.Under the supply voltage of 1.8V

the proposed bandgap reference provides an output voltage of is 0.801V.A temperature coefficient of 2.7ppm / ℃ from-40 ℃ to125 ℃ can be achieved

and line regulation of 1.2 mV/V from1.5V to3.3V.

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