AD7714 REF IN(+) Current

Hi,

I'll design a 2.5V power supply for the reference of AD7714.  My spec is REF IN(+): 2.5V, REF IN(-): 0V and Ta=-5 degC~+50 degC.

Could you tell me a current rating of the REF IN(+)?   1mA is enough?

Regards,

Kazu

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