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OPA657: 想做一板检测PIN PD光电流的放大电路,PD的结电容在50fF左右,串联电阻36Ω,希望跨阻在40kΩ,带宽达到10MHz,有什么芯片能达到这个要求吗?求推荐

Part Number: OPA657

初步选择是想用OPA657,不过我根据理论公式计算得到反馈电容的值非常小,在十几fF的级别,这种情况怎么办?有什么办法改进设计避免输出震荡吗?能否推荐一个对应器件的电路,感谢!