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

Question asked by rreyespe on Mar 25, 2016
Latest reply on Mar 31, 2016 by Emman.A

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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