In this papers introduced the principle and features of multi -channels 14 - bit DAG MAX125 and its application to the online measuring equipment, including the hardware interface and software programming method between MAX125 and microcontroller.

• 文中阐述了MAX125的特性和工作原理,介绍了MCS-51系列单片机与MAX125的硬件接口设计以及软件编程方法,最后阐述了该模数转换器在密度在线测量装置中的应用。