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(ADV728x)POWER-UP SEQUENCE of ADV728x

Question asked by donadona999s on Apr 28, 2017
Latest reply on May 7, 2017 by donadona999s

Hi !

 

I have a question about ADV728x.

I read this session.

POWER-UP SEQUENCE of ADV7480. 

 

But this is written at ADV728x datasheet.

Does this mean that ADV728x power rails cannot be powered up together as long as the 1.8V rail does not exceed the 3.3V rail at any time?

 

I want to know this because competitor chip don't have power up sequence and ADV728x has.

So our customer has negative mind to use ADV728x because they have to control power up sequence using some controller or switch.

 

Best regards

Kawa

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