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OPA269的选型问题

Other Parts Discussed in Thread: OPA2690

现在有一个电路,使用的是OPA269系列的一款芯片搭建的滤波电路,但是当时具体芯片型号找不到了。电路参考的是datasheet文档里, 请问各位这个是哪个芯片,电路的来源有没有