Many thanks gr5!
By further looking at the Recommended Operating conditions, it seems this is not really a big problem, since both VREF1 and VREF2 can operate between 0 and 5.5V it seems (with 7V being the absolute maximum)
So things seem to be OK after all... I should have looked more closely to the datasheet info, but I guess I was too eager to find a solution to my problem...
However, the Design Requirements table from the Typical Application section also says:
So there, the max. for VREF1 is 4.4V... All this is pretty confusing after all.
Let me just hope Cohen will be kind enough to enlighten me with his expertise and give some suggestions as to what could be wrong with my Ulticontroller board (or is it a main board problem too?)
Thanks!
Edited by Guest
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gr5 2,224
I alerted Coen - the guy who designed this board. He usually replies pretty quickly. The specs *also* say you can put up to 5.5V on vref1. Which is strange considering the overview.
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