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TMP112NAIDRLR

±0.5°C 1.4V to 3.6V digital temperature sensor with I2C/SMBus in 2.56mm2 package

Manufacturer: TI
Mfr.Part #: TMP112NAIDRLR
Datasheet: TMP112NAIDRLR Datasheet (PDF)
Local sensor accuracy (max): 0.5
Type: Local
Operating temperature range (°C): -40 to 125
Supply voltage (min) (V): 1.4
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TMP112NAIDRLR General 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 0.5°C accuracy and are optimized to provide the best PSR performance for 3.3V and 1.8V operation respectively, while TMP112N offers 1°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 0.0625°C.

The 1.6-mm × 1.6-mm SOT563 package is 68% smaller footprint than an SOT23 package. The TMP112 family features SMBus, two-wire and I²C interface compatibility, and allows up to four devices on one bus. The device also features an SMBus alert function. The device is specified to operate over supply voltages from 1.4 to 3.6 V with the maximum quiescent current of 10 µA over the full operating range.

The TMP112 family is designed for extended temperature measurement in communication, computer, consumer, environmental, industrial, and instrumentation applications. The device is specified for operation over a temperature range of –40°C to +125°C.

The TMP112 family production units are 100% tested against sensors that are NIST-traceable and are verified with equipment that are NIST-traceable through ISO/IEC 17025 accredited calibrations.

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Key Features

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 :
- 0.5°C (Maximum) From 0°C to +65°C (1.8 V)
- 1.0°C (Maximum) From –40°C to +125°C
TMP112N Accuracy Without Calibration:
- 1.0°C (Maximum) From –40°C to +125°C
SOT563 Package (1.6 mm × 1.6 mm)
Low Quiescent Current:
- 10-µA Active (Maximum), 1-µA Shutdown (Maximum)
Supply Range: 1.4 V to 3.6 V
Resolution: 12 Bits
Digital Output: SMBus™, Two-Wire, and I²C Interface Compatibility
NIST Traceable

Specifications

Local sensor accuracy (max)	0.5	Type	Local
Operating temperature range (°C)	-40 to 125	Supply voltage (min) (V)	1.4
Interface type	I2C, SMBus	Supply voltage (max) (V)	3.6
Features	ALERT, NIST traceable, One-shot conversion	Supply current (max) (µA)	10
Temp resolution (max) (Bits)	12	Remote channels (#)	0
Addresses	4	Rating	Catalog