为了能够驱动一款ADC的顶参考电压,用LM8272做个跟随器.
请教一下,为什么运放反向端和输出端要加一个4.7K电阻和0.01UF电容呢??仿真了下加与不加没区别啊,是为了防干扰么?
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为了能够驱动一款ADC的顶参考电压,用LM8272做个跟随器.
请教一下,为什么运放反向端和输出端要加一个4.7K电阻和0.01UF电容呢??仿真了下加与不加没区别啊,是为了防干扰么?