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TMP112: can TMP112 & TMP103 read or shows the temp value in decimals?

Periyasamy Iyyamperumal71
Prodigy 65 points
Part Number: TMP112
Other Parts Discussed in Thread: TMP103

I have a question about TMP103 & TMP112,

Basically, we want to read temp values like 21.69, 21.345, 21.872,

Right now we could read values like 21, 22, 23. Is there any registry settings to read the temp value in decimal?

  • 0
    TI__Mastermind 35855 points
    Hi Periyasamy,

    TMP103 only reports whole number temperatures. This is because it only has 8 bit registers. You can see this in Table 6 8-Bit Temperature Data Format on page 17 of the datasheet. The first page also lists Resolution 8 Bits as a key feature.

    TMP112 has configurable 12/13 bit resolution. It can report fractional temperature as shown on pages 10 and 11 of the datasheet.

    Thanks,
    Ren