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AD9625 Data Sheet Pin Descriptions

Question asked by delboy on Sep 26, 2014
Latest reply on Sep 29, 2014 by IanB

Is there an update of the data sheet for this part scheduled?


There are a number of pins where the description is little more than a listing of the pin making it difficult to use for design.


For example -


How do I use VM_BYP and VP_BYP?

VM_BYP has a 0.1 uF capacitor on the eval schematic and VP_BYP is open.


What does VMON do?

It is listed as a temperature monitor output but the eval board has  the option of connecting it to a reference, which agrees with the serial register description.


RBIAS,RBIAS_EXT and FD need a 10 k resistor to ground - is there any specific tolerance/temperature coefficient required for the resistor?


Is the IRQ pin open collector? If so, does it  require an external pull-up and to what voltage?