Other Parts Discussed in Thread: INA851,
我现在需要对最高1.5MHz的信号进行放大,INA849和INA851的带宽都足够,但是INA849的噪声更低,但是他是单端输出,我的后一级是PGA,是差分输入的,现在在考虑是用INA849输出加地给入PGA还是选择INA851,请给出您的建议及理由,非常感谢!
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建议根据应用场景选择芯片,目前的建议如下:
如果你优先考虑噪声性能且愿意增加电路复杂度,可以选择INA849;
如果你希望简化电路设计并直接匹配差分输入,INA851会是个不错的选择。