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TIA电路相关问题

Other Parts Discussed in Thread: OPA335

尊敬的TI专家您好:

我现在用一个AD采集电路对TIA输出电压进行采样,但是发现每次AD转换时,TIA输出都会有很强的毛刺(绿的表示AD转换,红的是TIA输出),AD采集电路和TIA是两部分电路,地通过导线连接,这是由那部分电路引起的???谢谢

TIA使用OPA335芯片放大光电二极管产生的电流,电路如下: