最近在使用一款PSD传感器OD3.5-6，资料见附件。
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我做的测试电路图如下：
前后选用了跨阻运放 OPA2381 、OPA2354 进行测试。发现两个运放的输出Out1、Out2并没有和Rf1、Rf2的阻值成比例关系。是不是我运放使用方法有问题呢？
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