基于张弛振荡器的高精度体温计芯片设计  

Design of High Precision Thermometer Chip Based on Relaxation Oscillator

作　　者：李卓东 何文劼 LI Zhuodong;HE Wenjie(Tsinghua University,Beijing 100084,China;Chengdu Fanmi Technology Co.,Ltd.,Sichuan 610096,China)

机构地区：[1]清华大学,北京100084 [2]成都凡米科技有限公司,四川610096

出　　处：《集成电路应用》2023年第2期16-17,共2页Application of IC

摘　　要：阐述基于张弛振荡器的温度测量电路,将热敏电阻值变化转变为数字化频率信号送系统处理,降低芯片对工艺的要求,温度测量电路应用于便携式电子体温计芯片。This paper describes the temperature measurement circuit based on the relaxation oscillator, which converts the change of the thermistor value into a digital frequency signal and sends it to the system for processing to reduce the requirements of the chip on the process. The temperature measurement circuit is applied to the portable electronic thermometer chip.

关 键 词：芯片设计 张弛振荡器 高精度体温计 

分 类 号：TN402[电子电信—微电子学与固体电子学] TP212[自动化与计算机技术—检测技术与自动化装置]