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有关OPA627I/V转换

Other Parts Discussed in Thread: PCM1794

专家您好!

   OPA627AU用在PCM1794后面做I/V转换,并接在运放输出,反相脚的电容取多少比较合适?我并接的电阻是750R,电容是2.2N,PCM1794音频输出的电流是7.8MA,目前失真有些大。麻烦专家给一建议,谢谢!