AD8236 in Single-Supply mode (GND to 5V) the Ref pin doesn't respond to any voltage greater than 0

I am trying to set up the AD8236 with +Vs=5V   -Vs=0V   Vref=2.5V but the ref pin doesnt work, it is always grounded.

When I make it double supply with +Vs=+5V  and -Vs=-5V the ref pin works just fine.

I am using an ADA4004 to drive the ref pin as described by the datasheet.

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    •  Analog Employees 
    on Aug 2, 2018 3:25 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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    •  Analog Employees 
    on Aug 2, 2018 3:25 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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