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请推荐一款低输入偏置电流的运放

Other Parts Discussed in Thread: OPA320

需要用到一款低输入偏置电流(IB)的运放,最重要的是随温度升高不会增长太快。我用来搭建跨阻放大器,信号源电流只有1pA左右。另外,封装SC-70最好,SOT-23勉强可以。多谢各位!