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AD5421 output current  at loop power

Question asked by Terumasa on Mar 17, 2017
Latest reply on Mar 21, 2017 by Terumasa

Hello

 

Would you teach me about the output current  value of AD5421 at REFIN = GND ?

 

Our cutsomer  would like to stop AD5421 output  at the fault condition   because of  the systems' safety  requirement.

He  changes the register settings from internal reference to external refarence settings  (REFIN pin =GND) at fault condtition.

 

I think that its current is the output currenf from votlage regulator    ( regulator  3.15mA  -> COM -> LOOP-).

Is my understanding correct ?

 

regards,

Terumasa

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