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OPA1632用正负9V供电，增益约0.25，输入7V交流信号输出会失真吗
看您的信号频率多大，OPA1632 GBW180MHZ。
OPA1632的输入共模电压范围为（V-)+1.5V~（V+)-1V，所以+-9V供电的话，能处理的输入信号范围为-7.5V~8V。
另外就是需要考虑GBW这个参数了。
