A high precision bandgap voltage reference
In order to meet the market demand for wide temperature range and high precision bandgap voltage reference,this paper designs a bandgap reference with wide temperature range and low temperature coefficient.In this paper,the basic implementation principle of the bandgap reference is analyzed.On the basis of the traditional bandgap reference circuit structure,this design adds a trimming network and a temperature compensation network.A new Gaussian bell curve compensation technique is adopted to compensate the low temperature section,and the normal temperature section and the high temperature section respectively.Compared with the existing compensation technology,the versatility and the compensation effect is better.The designed circuit is designed and manufactured based on the Huahong HHNECGE0.35um process.The results show that the output voltage is 2.5V at 2.7V supply voltage and temperature range of-40-125℃.at typical process angle,the temperature coefficient is 0.54618 PPm/℃,and is within 1PPm/℃ at other process angles.
XingGuo Tian XiaoNing Xin DongYang Han
College of Information Science and Engineering,Shenyang University of Technology,China
国际会议
上海
英文
1-4
2018-10-12（万方平台首次上网日期，不代表论文的发表时间）