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Example Project: Relay scan card for K2000 DMM

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If the software allows for a correction of the absolute temperature, one could also go with the AD590JH. Less accurate absolute value, but in a metal can likely more stable than the SO8 version.
Chances are one could make the layout to allow for both footprints.

I was thinking the SOIC would couple better with a plane but maybe a can, placed through a hole and thermal epoxy-ed to the plane is better anyway

Something like this, the AD590 can go through the PCB and use some thermal paste or epoxy to couple with the ground plane

I love it when I search for something random on google and it points me right back to EEVBlog.  Not sure how I missed this.  An original card sold on ebay for $450 last month.


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