求助!工作场合为AD的输入前端,电压幅度在0~3.3V,频率在1kHz以下,这样一个电压跟随器可以选择哪些放大器来做,谢谢!
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对,选择很多,必要的话还需考虑下面两点:
1.你的ADC的精度和测量要求,精度要求较高的话就需要选择低噪声的运放。
2. 根据前级信号的特点来选择相应的运放的指标。