| Electronics > Beginners |
| 1V Reference @ 1ppm |
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| 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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