用低位D/A实现高位D/A分辨率  

How to Gain High Resolution From Little Bit D/A Chip

作　　者：董明[1] 杜清珍[1] 

机构地区：[1]西北工业大学

出　　处：《电子测量技术》2004年第4期4-4,8,共2页Electronic Measurement Technology

摘　　要：文中以8位的 DAC0832为例阐述用低位的 D/A 转换芯片获得高位的 D/A 分辨率的方法,并给出具体电路和芯片与8031的接口程序,最后提出提高转换精度的措施。In this paper,a way that how to gain high resolution from little bit D/A chip is introduced.The circuit diagram is il- lustrated by DAC0832 as well as program.At last in the paper,some advice about how to improve precision of conversion are given.

关 键 词：D/A转换 DAG 分辨率 接口程序 芯片 转换精度 电路 高位 低位 措施 

分 类 号：TN911.75[电子电信—通信与信息系统] R657[电子电信—信息与通信工程]