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TMP117: Resolution testing

Muni Pavan Kumar Reddy Kona
Prodigy 240 points
Part Number: TMP117

Hello,

I am planning to use TMP117 in one of our application. In the datasheet of TMP117 I saw the resolution of  0.0078°C(1LSB).

I have few questions on the resolution.

1. How do TI tested the resolution of 0.0078°C, is there any test conducted to support this data? For example, Did you Place in TMP117 in temperature controlled chamber and increased temperature from 25°C to 25.008°C and observed 1LSB change

2. How to test the temperature sensor to verity and validation the resolution?

Thanks,

Muni

  • 0
    TI__Expert 7170 points

    Hi Muni,

    The resolution of the TMP117 is defined by the internal ADC as seen below:

    We do temperature controlled tests for accuracy--as this is defined as a ±0.3 °C device over the full range. However, resolution is defined by the digital code output.

    Best regards,

    Simon Rojas