AD7172-4是一款低噪声、低功耗、多路复用的Σ-Δ型模数转换器(ADC)，具有4/8通道（全差分/单端）输入，可供低带宽信号使用。 对于完全建立的数据，AD7172-4的最大通道扫描速率为6.21 kSPS (161 μs)。 该器件的输出数据速率范围为1.25 SPS至31.25 kSPS。-AD7172-4 is a low noise, low power, multiplexed Σ-Δ analog to digital converter (ADC), with a 4/8 channels (fully differential/single-ended) inputs, using available low-bandwidth signal . For data fully established, the maximum channel scan rate AD7172-4 is 6.21 kSPS (161 μs). The output data rate　the part of the range of 1.25 SPS to 31.25 kSPS.