最近使用这款芯片的时候，无论什么电路，噪声都非常大，甚至在电路中没有任何效果。我采用5V单电源供电，同相端给2.5V参考电压，后来看datasheet发现最低5.5V供电，请问这个有影响吗？应该不至于这么大影响吧？
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