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HDC2080: the accuracy out of operating rage 20 to 80% RH

Noriyuki Takahashi
Genius 11020 points
Part Number: HDC2080

Hi team

What is the  accuracy out of operating rage 20 to 80% RH?

In the datasheet, the accuracy is specified at 20 to 80% RH.  So I would like to confirm the accuracy between 0 to 20 & 80 to 100% RH.

Regards,

Noriyuki Takahashi

  • 0
    TI__Guru* 91206 points

    Takahashi-san,

    According to the graphs on pages 1 and 6 of the HDC2080 datasheet, the typical accuracy that should be expected from 80% to 100% RH and also from 10% to 0% RH will be ~ +/-3%.

  • 0 in reply to Josh Wyatt
    TI__Genius 11020 points
    Josh,

    Customer wants more specific data, that is, raw data of HDC2080 humidity at 0 degree C and 60 degree C, so that they can estimate the min/max value as a reference.
    Could you share there data?

    Regards,
    Noriyuki Takahashi
  • 0 in reply to Noriyuki Takahashi
    TI__Guru* 91206 points

    Takahashi-san, 

    Please refer to page 5 of the datasheet, specifically RH(ACC) parameter and note 6 which is referenced in that line item. Typical and max accuracy between 0C and 60 C, with 20% to 80% RH is listed on the line item and one could debate for that parameter the max value should be in minimum column, since less accuracy in that context would be minimum accuracy that can be achieved inside those bounds, but you can get the true meaning, I hope. We do not put direct characterization data in the data sheets, we summarize it and no estimation should be needed.