Open Access
 Issue JNWPU Volume 40, Number 6, December 2022 1360 - 1365 https://doi.org/10.1051/jnwpu/20224061360 10 February 2023

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

## 1 带隙基准及高阶曲率补偿原理

(1) 式对应曲线如图 1a)所示。VBE对温度的一阶导数可表示为

ΔVBE与温度成一次线性相关, 表达式为

(6) 式更加直观地表明, 温度偏离参考温度温度越大, 系统产生的误差越大, 凸显了传统带隙基准仅消除一阶温度系数的局限性。

(7) 和(9)式对应高阶基准曲线及其一阶导数曲线如图 4所示。

 图1VBE及一阶带隙基准电压函数曲线

 图2高低温补偿结构
 图3高低温补偿原理
 图4高低温补偿带隙基准

## 2 整体电路及仿真结果

sub-1、sub-2、sub-3分别为一阶带隙基准支路、低温补偿电流支路、高温补偿电流支路, 对应表达式为

，则有

 图5整体电路
 图6运放结构
 图7增益相位曲线
 图8启动电路及自偏置电流源
 图9高低温补偿带隙基准电路版图
 图10高低温补偿带隙基准仿真结果图

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## All Figures

 图1VBE及一阶带隙基准电压函数曲线 In the text
 图2高低温补偿结构 In the text
 图3高低温补偿原理 In the text
 图4高低温补偿带隙基准 In the text
 图5整体电路 In the text
 图6运放结构 In the text
 图7增益相位曲线 In the text
 图8启动电路及自偏置电流源 In the text
 图9高低温补偿带隙基准电路版图 In the text
 图10高低温补偿带隙基准仿真结果图 In the text

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