A high precision programmable bandgap voltage reference design for high resolution ADC  

作　　者：朱天成 姚素英 李斌桥 

机构地区：[1]School of Electronic Information Engineering Tianjin University

出　　处：《Journal of Semiconductors》2009年第7期100-104,共5页半导体学报（英文版）

基　　金：supported by the National Natural Science Foundation of China(No.60576025);the Keystone of Natural Science Foundation of Tianjin (No. 07JCZDJC10400)

摘　　要：A programmable high precision bandgap reference is presented, which can meet the accuracy requirements for all technology corners while a traditional bandgap reference cannot.This design uses SMIC 0.18 μm 1P4M CMOS technology.The theoretically achievable temperature coefficient is close to 0.69 ppm/°C over the whole temperature range.A programmable high precision bandgap reference is presented, which can meet the accuracy requirements for all technology corners while a traditional bandgap reference cannot.This design uses SMIC 0.18 μm 1P4M CMOS technology.The theoretically achievable temperature coefficient is close to 0.69 ppm/°C over the whole temperature range.

关 键 词：bandgap reference high precision design second-order curvature compensation low temperaturecoefficient 

分 类 号：TN792[电子电信—电路与系统]