用OPA454把1个1V的声音信号放大到60倍,测下来出来的信号只有20V不到,而且信号失真。是什么原因呢?电源是正常的,我把负电源接到GND,正电源接到60V
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用OPA454把1个1V的声音信号放大到60倍,测下来出来的信号只有20V不到,而且信号失真。是什么原因呢?电源是正常的,我把负电源接到GND,正电源接到60V
输入共模电压范围和输出电压范围都与工作电压有关,您可以参考datasheet electrical Characteristic。且OPA454不是rail-to-rail型运放,输出电压无法达到60V。