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OPPA855能否用于OTDR,微弱光信号监测?

Other Parts Discussed in Thread: LMH5401, OPA855, OPA857

Hi Ti工程师

我现在准备用OPA855和LMH5401配套使用,但是看到OPA855的Ib,VOS很大,是否可用于OTDR?而且OPA857/859的Ib是PA级别的,能解释一下吗?