This circuit adopts time interruption acquisition,it has the characteristics of programmed gain ,isolated ground,low noise,high CMRR,collecting data for a long time.

• 电路采用定时中断采样，具有程控调节放大倍数，全隔离浮地，低噪声，高共模抑制比，能够长时间连续采集数据等特点。