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THS4031: 单端转差分应用

Part Number: THS4031
Other Parts Discussed in Thread: ADS8422

这个THS4031芯片手册中有个应用图,

这是单端转差分应用吗?图中的A、B点信号其实是相等的是吗

  • 您好,

    THS4031的作用是将±4V(8Vpp)的信号(共模电压0V)衰减至4Vpp 并偏置至2V,即共模电压由0V调至2V。使得ADS8422的每个输入端的输入信号范围是0~4V,满足了其输入规格范围。

    A、B点输入信号极性是相反的,如图中示意图所示。