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Can ADL5305 and ADL5315 input pin be left open?

Question asked by Keiichi.Okuji Employee on Sep 7, 2016
Latest reply on Sep 11, 2016 by Keiichi.Okuji



A customer is asking us how he should handle the ADL5305 and ADL5315 input pin. Customer's application need switching PD output from ADL53xx to pA meter. So when the PD is routed to pA meter, input pin of ADL53xx will be left open. Dose the open input make any problem like damage to the pert ? The customer say the input RC network can be placed either of PD side or ADL53xx side. Do ADI have any recommendation how to handle the input pin?



Keiichi Okuji @ ADKK