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ADT7470 Tech pin question

Question asked by on Sep 8, 2016
Latest reply on Nov 2, 2016 by KarenNE

Dear Sir,

      The ADT7470 datasheet show Techx pin is Digital Input (Open Drain). I have some question as below. Could you help explain and clarify it? Thanks!

1. Digital Input (Open Drain) what kind of architecture?

2. When not use Tech3 pin, can floating it? If floating, whether have damage risk?