AD9736 power up

The datasheet states on pg. 56 that “The 1.8 V supplies should be enabled prior to
enabling the 3.3 V supplies. Do not enable the 3.3 V supplies when the 1.8 V
supplies are off.”

There is no guidance here as far as time required between the ramp up of the +1.8Vdc
supply relative to the +3.3Vdc supply. What is the time requirement between the
ramp up of the two power supplies? Or is it some relationship we need to
satisfy (i.e. the +3.3Vdc should not begin ramping until the +1.8Vdc has
reached 90% of its nominal value)?

Please advise when you can - thanks.

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    •  Analog Employees 
    on Aug 2, 2018 4:41 PM
    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
    EZ Admin
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  • 0
    •  Analog Employees 
    on Aug 2, 2018 4:41 PM
    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
    EZ Admin
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