介绍一种利用MAX125 作为A／D 转换器，对多路信号同时进行高速采样，对所获取的采样信号用DSP 进行处理的测量和检测装置。这种装置不仅可以对电力系统进行参数测量和故障分析，通过CAN 总线还可以方便地集成到电力综合自动化系统中。关键词：数字信号处理器；A／D 转换器；通信；测量和检测Abstract:This paper presents a measurement device with MAX125 as A/D converter. It can sample multi-channel signals simultaneously at high speed, then process the sampled signals with DSP. It can measure parameters and fault analysis in electric power system and also can be integrated into the automatic system of electric power conveniently.Key words：DSP;A/ D converter；communication；measurement and detection