Design of a High Precision Bandgap Voltage Reference with Wide Range of Supply Voltage

ZHOU Qing-bo; GONG Min; WU Qi-rong

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Design of a High Precision Bandgap Voltage Reference with Wide Range of Supply Voltage

更新时间：2026-09-04

- Design of a High Precision Bandgap Voltage Reference with Wide Range of Supply Voltage
- Vol. 27, Issue 10, Pages: 128-131(2010)
- 作者机构：
  
  四川大学物理科学与技术学院微电子技术四川省重点实验室,四川,成都,610064
- 作者简介：
- 基金信息：
- DOI：
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- Published：2010
- 稿件说明：
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周庆波, 龚敏, 邬齐荣. 一种宽电源电压的高精度带隙基准电路的设计[J]. 微电子学与计算机, 2010, 27(10): 128-131.

ZHOU Qing-bo, GONG Min, WU Qi-rong. Design of a High Precision Bandgap Voltage Reference with Wide Range of Supply Voltage[J]. 2010, 27(10): 128-131.
周庆波, 龚敏, 邬齐荣. 一种宽电源电压的高精度带隙基准电路的设计[J]. 微电子学与计算机, 2010, 27(10): 128-131. DOI：

ZHOU Qing-bo, GONG Min, WU Qi-rong. Design of a High Precision Bandgap Voltage Reference with Wide Range of Supply Voltage[J]. 2010, 27(10): 128-131. DOI：

摘要

设计了一种宽电源电压的高精度带隙基准电路.在综合考虑精度、电源抑制比(PSRR)、宽电源电压要求和功耗等因素的基础上

采用了一种由基准电压偏置的

增益和电源抑制比大小相近的运算放大器解决方案.设计采用CSMC0.5μm CMOS工艺

电源为3.3V.Cadence Spectre仿真表明

当温度在-40℃~125℃

电源电压在2.56V^8V时

输出基准电压平均值为1.290V

变化0.793mV

有效温度系数为3.72ppm/℃;室温下

在低频时具有-97dB的PSRR

在100kHz时为-69dB

功耗为180μW.

Abstract

A bandgap voltage reference circuit with wide range of supply voltage and high precision was designed in this paper.Based on the consideration of accuracy

power supply rejection ratio(PSRR)

wide-range supply voltage and power dissipation

a method

in which a reference-voltage-biased operational amplifier had similar open-loop gain and PSRR

was proposed.The circuit was implemented in CSMC 0.5μm CMOS technology and operated with 3.3V supply voltage.The Cadence Spectre simulation results showed that the circuit had a Vref of about 1.290V

a voltage swing of 0.793mV

a temperature coefficient of 3.72 ppm /℃ at 2.56V to 8V supply voltage from-40℃ to 125℃

a PSRR of-97dB at low frequencies and-69 dB at 100kHz at room temperature

and a power dissipation of 180μW.

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