我想问一下怎么用OPA690搭一个电压跟随器,我试了几种方法效果都不理想!
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这个电路我也仿真了一下,发现输入信号幅度变为3V左右时波形就发生变化,未找到原因,请指教。
请参考芯片手册中Common-mode Input Voltage一项。