Electronics > Metrology

MAX6226 voltage reference

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b_force:

--- Quote from: exe on April 18, 2022, 09:47:06 am ---Hi b_force!

As of ageing, its a good question. I contacted their support for that.

--- End quote ---
Extremely curious about this, please keep us updated!

b_force:

--- Quote from: Andreas on April 18, 2022, 01:50:03 pm ---
--- Quote from: exe on April 18, 2022, 09:47:06 am --- As of ageing, its a good question. I contacted their support for that.

--- End quote ---

Hello,

please let us know if you get a better/more detailed answer than the typical 11 ppm/1000hrs from the data sheet.

But keep in mind: this ageing drift is done under lab conditions (25 deg C constant over time).
So practically you might have different conditions.
An in my ageing experiment I see sometimes sudden drift steps which I cannot explain.

with best regards

Andreas

--- End quote ---
I was also thinking more in the practical sense of aging.

What happens when those IC's are in storage for a long time, do they need to be kept at constant temperature/humidity level etc etc?
I can't find any information about it with actual data, only anecdotal and personal experiences.

b_force:
Well, an update from my side, since I had to ask some other things anyway'


--- Quote ---1) 0.02% initial accuracy is the worst case scenario one can expect.
 
2) Yes, the stability counts when the device is powered On
 
3) No the device does not need to be stored in a certain way

--- End quote ---

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