用TLC5620D/A转换器实现4路4-20mA信号发器的设计方法

A Designing Method of 4-line 4-20mA Signal Generator with Transformer TLC5620 D/A

本文介绍用串行TLC5620 D/A转换器实现4路4-20mA信号发生器的硬件及软件设计方法,其特点是与单片机的接口简捷,容易实现光电隔离,具有很强的实用性。

This article introduces a hardware and software designing method of 4-line 4-20mA signal generator with series transformer TLC5620 D/A.It has a characteristic of simple connection with the single micro-computer and it can attain photoelectricity isolation and it is very practical.