Electronics > Beginners
1V Reference @ 1ppm
Rafael:
Hello,
Does anyone have any suggestions on how to find / build a 1v @ 1ppm reference?
Thanks a lot!
Wimberleytech:
--- Quote from: Rafael on January 26, 2019, 12:22:53 am ---Hello,
Does anyone have any suggestions on how to find / build a 1v @ 1ppm reference?
Thanks a lot!
--- End quote ---
I assume you mean: 1ppm/°C. Over what temperature range???
Rafael:
--- Quote from: Wimberleytech on January 26, 2019, 12:45:42 am ---
--- Quote from: Rafael on January 26, 2019, 12:22:53 am ---Hello,
Does anyone have any suggestions on how to find / build a 1v @ 1ppm reference?
Thanks a lot!
--- End quote ---
I assume you mean: 1ppm/°C. Over what temperature range???
--- End quote ---
You're right, sorry to forget this detail.
Range, around 23°C... I can imagine a hard task!
Thanks!
Wimberleytech:
--- Quote from: Rafael on January 26, 2019, 12:22:53 am ---Hello,
Does anyone have any suggestions on how to find / build a 1v @ 1ppm reference?
Thanks a lot!
--- End quote ---
https://www.apexanalog.com/resources/products/vre3050ds.pdf
Wimberleytech:
--- Quote from: Rafael on January 26, 2019, 12:50:25 am ---
--- Quote from: Wimberleytech on January 26, 2019, 12:45:42 am ---
--- Quote from: Rafael on January 26, 2019, 12:22:53 am ---Hello,
Does anyone have any suggestions on how to find / build a 1v @ 1ppm reference?
Thanks a lot!
--- End quote ---
I assume you mean: 1ppm/°C. Over what temperature range???
--- End quote ---
You're right, sorry to forget this detail.
Range, around 23°C... I can imagine a hard task!
Thanks!
--- End quote ---
Yes, it is challenging. You must curvature compensate a bandgap reference...and pay attention to EVERYTHING.
Solution: Buy it. I posted an example product.
If you limit the range of temperatures ("around 23°C"), you do not have to do curvature compensation.
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