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Interface and Isolation
Interface and Isolation
Documents Isopower for -55C?
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  • INTERFACE AND ISOLATION SUPPORT COMMUNITY
  • Tags List (Interface & Isolation)
  • +General: FAQ
  • +AD5700: FAQ
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  • -ADUM1200: FAQ
    • ADUM1200/ADUM3401: Compliance with 3rd Ed IEC 61010-1 certification (2014)
    • ADuM1200: Supply current
    • ADuM1200: What is the input impedance of a single channel?
    • Are there any side effects when one side of the digital isolator is powered up while the other side is powered down?
    • Digital Isolators with Op Temp range starting at -55C
    • Isopower for -55C?
    • Military spec digital isolators
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Isopower for -55C?

Q 

I was looking at ways of designing in  isolation based around your
ADum1200UR-EP part.
Unfortunately, I have a board real-estate problem…..this could be solved by
using one of your Isopower products (saving all the isolated supplies that I
need).
However, I need it to work at -55deg.C as the ADum1200UR-EP part does?

Is there a similar  single/dual channel Isopower part you could recommend that
is qualified down to -55deg.C?

 

A 

ADuM1200UR-EP is currently the only digital isolator in ADI's portfolio that
goes down to -55C. We have also in the plan a quad family of parts;
ADUM3400/01/02 but they likely won't release until Q414 and they don't feature
isoPower.

We could look into adding new parts to the road map currently being defined -
in this case we need to know your timeline, yearly volume and also which device
exactly should be qualified for -55C.

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