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INA337 RG 阻值出现问题,我设置的是2KΩ,结果测量的却是十几MΩ,hope a resolution

Other Parts Discussed in Thread: INA337

INA337 RG 阻值出现问题,我设置的是2KΩ,结果测量的却是十几MΩ,输入端检测到差模信号,输出只有噪声,电路图如下,之前已经验证过了,换了块板子就有 问题。hope a  resolution