基于AD7711的高精度温度传感电路设计

Design of High-accuracy Temperature Sensing Circuit Based on AD7711

主要对由AD7711组成的数字温度计硬件和软件进行了探讨和研究,内容包括AD7711的特点,内部时序和外部接口,详细说明了AD7711的功能特点和工作方式,简要论述了其在RTD高精度温度测量中的应用。并给出了数据采集系统中AD7711与单片机的接口方法,包括硬件接口电路和软件程序设计。并列出了部分汇编源程序。

Researched digital thermometer hardware and software made up of AD7711 mainly. The characteristics and interfaces are described. Described the functions and operating modes of AD7711, also discussed in brief the application in high-precision temperature measurement. Interface technology of AD7711 to microcomputer and the collecting-dates system is described in detail, including hardware circuit, software, and has listed the .source program partly.