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TMP112

ACTIVE

±0.5°C 1.4V-to-3.6V digital temperature sensor with I²C/SMBus

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Data sheet

TMP112

ACTIVE
Data sheet Order now

Product details

Local sensor accuracy (max) 0.5, 1 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) (bps) 12 Remote channels (#) 0 Addresses 4 Rating Catalog
Local sensor accuracy (max) 0.5, 1 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) (bps) 12 Remote channels (#) 0 Addresses 4 Rating Catalog
SOT-5X3 (DRL) 6 2.56 mm² 1.6 x 1.6
  • TMP112A accuracy without calibration:
    • ±0.5°C (maximum) from 0°C to +65°C (3.3V)
    • ±1.0°C (maximum) from –40°C to +125°C
  • TMP112B accuracy without calibration:
    • ±0.5°C (maximum) from 0°C to +65°C (1.8V)
    • ±1.0°C (maximum) from –40°C to +125°C
  • TMP112N accuracy without calibration:
    • ±1.0°C (maximum) from –40°C to +125°C
  • TMP112Dx accuracy without calibration:
    • ±0.5°C (maximum) from -25°C to 85°C (V+ ≥ 1.5V)
    • ±1.0°C (maximum) from –40°C to 125°C
  • SOT563 package (1.6mm × 1.6mm)
  • X2SON package (0.8mm × 0.8mm)
  • Low quiescent current:
    • 7.5-µA active (maximum), 0.35-µA shutdown (maximum)
  • Supply range: 1.4V to 3.6V
  • Resolution: 12 Bits
  • Digital output: SMBus™, Two-Wire, and I2C interface compatibility
  • NIST traceable
  • TMP112A accuracy without calibration:
    • ±0.5°C (maximum) from 0°C to +65°C (3.3V)
    • ±1.0°C (maximum) from –40°C to +125°C
  • TMP112B accuracy without calibration:
    • ±0.5°C (maximum) from 0°C to +65°C (1.8V)
    • ±1.0°C (maximum) from –40°C to +125°C
  • TMP112N accuracy without calibration:
    • ±1.0°C (maximum) from –40°C to +125°C
  • TMP112Dx accuracy without calibration:
    • ±0.5°C (maximum) from -25°C to 85°C (V+ ≥ 1.5V)
    • ±1.0°C (maximum) from –40°C to 125°C
  • SOT563 package (1.6mm × 1.6mm)
  • X2SON package (0.8mm × 0.8mm)
  • Low quiescent current:
    • 7.5-µA active (maximum), 0.35-µA shutdown (maximum)
  • Supply range: 1.4V to 3.6V
  • Resolution: 12 Bits
  • Digital output: SMBus™, Two-Wire, and I2C interface compatibility
  • NIST traceable
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NEW TMP110 ACTIVE ±1.0°C accurate I²C temperature sensor with alert in compact X2SON package Lower accuracy (±1.0°C) and software-compatible alternative for cost-optimized designs. Pin-to-pin (X2SON package), with a wider VCC range (1.14 to 5.5V)
NEW TMP112D ACTIVE ±0.5°C accurate I²C temperature sensor with alert option Similar accuracy (±0.5°C) and software-compatible alternative for cost-optimized designs. X2SON package.
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Technical documentation

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Type Title Date
* Data sheet TMP112x High-Accuracy, Low-Power, Digital Temperature Sensors With SMBus and Two-Wire Serial Interface in SOT563 and X2SON Packages datasheet (Rev. L) PDF | HTML 03 Jul 2024
Application note How to Read and Interpret Digital Temperature Sensor Output Data PDF | HTML 12 Apr 2024
Application note LM75B and TMP1075 Industry-Standard Devices: Design Guidelines and Spec Comparison (Rev. A) PDF | HTML 07 Mar 2024
Application brief Improving System Reliability in Auto and Ind. Cameras w/ AccurateTemp. Sensing PDF | HTML 03 Jan 2022
Technical article Interface to sensors in seconds with ASC Studio PDF | HTML 12 Nov 2020
Application note How to Boost Your CPU, GPU, and SoC Performance Through Thermal Accuracy PDF | HTML 22 Sep 2020
Application brief High-Performance Processor Die Temperature Monitoring (Rev. A) 17 Oct 2019
Application note Low-Power Design Techniques for Temperature-Sensing Applications 06 Jun 2019
Application brief How to monitor board temperature 28 Jan 2019
Application brief Temperature sensing fundamentals 28 Jan 2019
Application note Temperature sensors: PCB guidelines for surface mount devices (Rev. A) 18 Jan 2019
Application note Wearable Temp-Sensing Layout Considerations Optimized for Thermal Response (Rev. B) 23 Oct 2018
Application brief Ambient Temperature Measurement Layout Considerations 16 Jul 2018
Application note Calculating Useful Lifetimes of Temperature Sensors 06 Jul 2018
Technical article Real-time temperature sensing with dual-mode connectivity PDF | HTML 03 Nov 2016
Technical article New proof-of-concept design shows health monitoring in a small form factor smart p PDF | HTML 19 May 2016
Technical article Cold chain in the IoT PDF | HTML 20 Nov 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

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TMP112EVM — TMP112 high-precision, low-power, digital temperature sensor evaluation module

The TMP112EVM allows users to evaluate the performance of the TMP112 digital temperature sensor. The evaluation module (EVM) comes in a USB-stick form factor, with an onboard MSP430F5528 microcontroller that interfaces with both the host computer and the TMP112 device using an I²C interface. (...)

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View Options
Code example or demo

SBOC486 — TMP102 Arduino Example Code v1.0

Supported products & hardware

Supported products & hardware

Products
Digital temperature sensors
TMP102 — 2C digital temperature sensor, I2C/SMBus in 2.56mm2 package TMP112 — ±0.5°C 1.4V-to-3.6V digital temperature sensor with I²C/SMBus
Download
Driver or library

LM75SW-LINUX — Linux Driver for I2C temperature sensors

The Linux driver support LM75 compatible Temperature Sensors. The Linux driver supports communication through the I2C bus and interfaces with the Hardware Monitoring sub-system.
Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:
  • LM75A
  • TMP100
  • TMP101
  • (...)
View Options
IDE, configuration, compiler or debugger

ASC-STUDIO-TMP112 — ASC studio for configuring all aspects of the TMP112 temperature sensor

SysConfig can be used to help simplify configuration challenges and accelerate software development with the TMP112 temperature sensor.
Supported products & hardware

Supported products & hardware

Products
Digital temperature sensors
TMP112 — ±0.5°C 1.4V-to-3.6V digital temperature sensor with I²C/SMBus
Launch
Simulation model

TMP102, TMP112 IBIS Model

SBFM009.ZIP (63 KB) - IBIS Model
Download

Many TI reference designs include the TMP112

Use our reference design selection tool to review and identify designs that best match your application and parameters.

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SOT-5X3 (DRL) 6 Ultra Librarian
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