ADS1251在高精度稳流电源中的应用  

Application of ADS1251 in high-precision current-stabilized power supply

作　　者：谢小峰[1] 郭宏林[2] 杨永锋[3] 

机构地区：[1]南京禄口国际机场动力技术部,江苏南京210029 [2]天水电气传动研究所有限责任公司,甘肃天水741020 [3]甘肃烟草工业有限责任公司天水分厂,甘肃天水741020

出　　处：《电气传动自动化》2011年第5期37-41,共5页Electric Drive Automation

摘　　要：ADS1251是一种高精度、宽动态范围的24位△-∑结构模数转换器。介绍了AD S1251的功能特点,并给出了ADS1251芯片在数字化高精度稳流电源中用于采集转换闭环电流反馈信号的硬件电路,与微处理器的接口方法及其时序控制。The ADS1251 is a precision,wide dynamic range,delta-sigma,Analog-to-Dgital（A/D） converter with 24-bit resolution.The function characteristics of the ADS1251 is briefly introduced.A current feedback signal measuring and convert circuit for high precision current-stabilized power supply is designed by using ADS1251.The circuit design,sequence control flow for the serial interface and the test result are presented.

关 键 词：ADS1251 高精度稳流电源 串行接口 时序控制 

分 类 号：TN7[电子电信—电路与系统]