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将-24V~+24V交流信号转换到0~3.3V之间,采用5V单电源供电,输入阻抗要高,大侠们有啥好思路?

将-24V~+24V交流信号转换到0~3.3V之间,采用5V单电源供电,输入阻抗要高,大侠们有啥好思路?