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图1是手册上的应用，图二是测试电路图，测量发现，负电源输出实测约4.46V，测试OPA735 IN-，电压约37mV左右，与理论值0V相差较大，麻烦帮忙看下是哪边的问题。
您好，
OPA735的输入电压范围是 (V−) − 0.1V to (V+) − 1.5V. 建议按照示例采用±5V供电。
