AD694与电流型D/A转换配合使用原理分析

Analysis of the Principle of AD694 and Current Type D/A Conversion

根据12位电流型D/A转换器和集成V/I转换器的引脚功能和接线特点,基于电路理论相关原理,展开并分析了一种两芯片配合使用的电路,能够实现编程控制电流输出的操作。

Based on the charac teristics of the pin func tion and connec tion of 12 bit current t ype D/A conver ter and integrated V/I converter, based on the theory of circuit theory,this paper develops and analyzes a kind of circuit used with the two chip,which can realize the operation of the output of the programmable control current.