1: 请问一下OPA 818 在做TIA 电路时,跨阻为3K 时,带宽可以达到多少呢
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您好,
对于TIA的带宽,无法给出一个准确的值,它不仅取决于您说的跨阻,也取决于反馈容值,layout等,由于这些因素的复杂性,故无法直接给出一个精确的带宽值。这边建议您使用仿真软件来模拟电路的性能,从而获得对带宽的近似估计。
另外参考下面的链接和文件