TMP117AIDRVT datasheet(13/50 Pages) TI2

13 / 50 page

7.3.3 Temperature Result and Limits

At the end of every conversion, the device updates the temperature register with the conversion result. The data

in the result register is in two's complement format, has a data width of 16 bits and a resolution of 7.8125 m°C.

Table 7-1 shows multiple examples of possible binary data that can be read from the temperature result register

and the corresponding hexadecimal and temperature equivalents.

The TMP117 also has alert status flags and alert pin functionality that use the temperature limits stored in the

low limit register and high limit register. The same data format used for the temperature result register is used for

data written to the high and low limit registers.

Table 7-1. 16-Bit Temperature Data Format

TEMPERATURE

(°C)

TEMPERATURE REGISTER VALUE

(0.0078125 °C RESOLUTION)

BINARY

HEX

–256

1000 0000 0000 0000

8000

–25

1111 0011 1000 0000

F380

–0.1250

1111 1111 1111 0000

FFF0

–0.0078125

1111 1111 1111 1111

FFFF

0000 0000 0000 0000

0000

0.0078125

0000 0000 0000 0001

0001

0.1250

0000 0000 0001 0000

0010

0000 0000 1000 0000

0080

0000 1100 1000 0000

0C80

100

0011 0010 0000 0000

3200

255.9921

0111 1111 1111 1111

7FFF

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TMP117

SNOSD82D – JUNE 2018 – REVISED SEPTEMBER 2022

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