PWM高精度DAC系统设计与实现  

Design and Implementation of PWM High Precision DAC System

作　　者：周湉 黄路遥 饶一帆 ZHOU Tian;HUANG Luyao;RAO Yifan(School of Information and Communication,Guilin University of Electronic Science and Technology,Guangxi 541004,China.)

机构地区：[1]桂林电子科技大学信息与通信学院,广西541004

出　　处：《集成电路应用》2022年第3期8-9,共2页Application of IC

基　　金：广西大学生创新训练立项项目(项目编号202010595189)。

摘　　要：阐述基于脉宽调制技术PWM高精度低成本DAC电路设计,包括数模隔离电路、开关电路、基准电压电路、有源滤波电路、输出缓冲电路,从而达到高精度、高稳定度、低成本的目的。This paper expounds the design of PWM high-precision and low-cost DAC circuit based on pulse width modulation technology, including digital analog isolation circuit, switching circuit, reference voltage circuit, active filter circuit and output buffer circuit, so as to achieve the purpose of high precision, high stability and low cost.

关 键 词：电路设计 脉宽调制技术 数模隔离 有源滤波 

分 类 号：TN792[电子电信—电路与系统] TN402