基于I^2C总线的模/数转换器ADS1100

Analog-To-Digital (A/D) Converter ADS1100 Based on I^2C Bus

ADS1100是基于总线的具有自校准功能的16位精密A/D转换器,具有体积小、接口简单、功耗低、比例放大等优点。它以电源电压作为参考电压,有单次和连续两种数据转换模式,能直接测量小信号,是高分辨率采样测量电路的理想A/D转换芯片,具有良好的应用前景。本文介绍了模/数(A/D)转换器ADS1100芯片的主要特点、引脚、内部结构、工作原理,并提供了ADS1100读写操作的程序代码、典型硬件连接电路和应用实例,最后给出了使用中要注意的问题。

ADS1100 is a precision, 16-bit, small size, simple interface, low power consumption, continuously self-calibrating Analog-to-Digital （A/D） converter which uses an I2C-compatible serial interface. It operates from a single power supply and operates in one of two modes： single conversion and continuous conversion ,which allows smaller signals to be measured with high resolution. ADS1100 is designed for applications requiring high-resolution measurement, which has preferable precision and pretty good using foreground. Main features, pin configuration, internal structure, theory of operation of Analog-to-Digital （A/D） converter ADS1100 are described in this article. Program of reading from the ADS1100 and writing to the ADS1100 , Circuit diagram ,applications example ,the problems should be noted in application are also provided.