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Design TMP112
SBOS473F – MARCH 2009 – REVISED FEBRUARY 2018 TMP112x High-Accuracy, Low-Power, Digital Temperature Sensors With SMBus and TwoWire Serial Interface in SOT563
1 Features 3 Description The TMP112 family of devices are digital temperature
sensors designed for high-accuracy, low-power,
NTC/PTC thermistor replacements where high
accuracy is required. The TMP112A and TMP112B
offers 0.5В°C accuracy and are optimized to provide
the best PSR performance for 3.3V and 1.8V
operation respectively, while TMP112N offers 1В°C
accuracy. These temperature sensors are highly
linear and do not require complex calculations or
lookup tables to derive the temperature. The on-chip
12-bit ADC offers resolutions down to 0.0625В°C. 1 TMP112A Accuracy Without Calibration :
– 0.5°C (Maximum) From 0°C to +65°C (3.3 V)
– 1.0°C (Maximum) From –40°C to +125°C
TMP112B Accuracy Without Calibration :
– 0.5В°C (Maximum) From 0В°C to +65В°C (1.8 V) …