Product details


Local sensor accuracy (Max) (+/- C) 0.1 Type Local Operating temperature range (C) -55 to 150, 0 to 85 Supply voltage (Min) (V) 1.8 Interface type I2C, SMBus, 2-Wire Supply voltage (Max) (V) 5.5 Supply current (Max) (uA) 5 Temp resolution (Max) (bits) 16 Features ALERT, One-shot conversion, EEPROM, NIST traceable Remote channels (#) 0 Addresses 4 Rating Catalog open-in-new Find other Digital temperature sensors

Package | Pins | Size

DSBGA (YBG) 6 1 mm² .99 x 1.528 WSON (DRV) 6 4 mm² 2 x 2 open-in-new Find other Digital temperature sensors


  • TMP117 high-accuracy temperature sensor
    • ±0.1°C (maximum) from –20°C to +50°C
    • ±0.15°C (maximum) from –40°C to +70°C
    • ±0.2°C (maximum) from –40°C to +100°C
    • ±0.25°C (maximum) from –55°C to +125°C
    • ±0.3°C (maximum) from –55°C to +150°C
  • Operating temperature range: –55°C to +150°C
  • Low power consumption:
    • 3.5-µA, 1-Hz conversion cycle
    • 150-nA shutdown current
  • Supply range: 1.8 V to 5.5 V
  • 16-bit resolution: 0.0078°C (1 LSB)
  • Programmable temperature alert limits
  • Selectable averaging
  • Digital offset for system correction
  • General-purpose EEPROM: 48 bits
  • NIST traceability
  • SMBus™, I2C interface compatibility
  • Medical grade: meets ASTM E1112 and ISO 80601-2-56
  • RTDs replacement: PT100, PT500, PT1000

All trademarks are the property of their respective owners.

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The TMP117 is a high-precision digital temperature sensor. It is designed to meet ASTM E1112 and ISO 80601 requirements for electronic patient thermometers. The TMP117 provides a 16-bit temperature result with a resolution of 0.0078°C and an accuracy of up to ±0.1°C across the temperature range of -20°C to 50°C with no calibration. The TMP117 has in interface that is I2C- and SMBus™-compatible, programmable alert functionality, and the device can support up to four devices on a single bus. Integrated EEPROM is included for device programming with an additional 48-bits memory available for general use.

The low power consumption of the TMP117 minimizes the impact of self-heating on measurement accuracy. The TMP117 operates from 1.8 V to 5.5 V and typically consumes 3.5 µA.

For non-medical applications, the TMP117 can serve as a single chip digital alternative to a Platinum RTD. The TMP117 has an accuracy comparable to a Class AA RTD, while only using a fraction of the power of the power typically needed for a PT100 RTD. The TMP117 simplifies the design effort by removing many of the complexities of RTDs such as precision references, matched traces, complicated algorithms, and calibration.

The TMP117 units are 100% tested on a production setup that is NIST traceable and verified with equipment that is calibrated to ISO/IEC 17025 accredited standards.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TMP117 high-accuracy, low-power, digital temperature sensor with SMBus™- and I2C-compatible interface datasheet (Rev. B) Mar. 26, 2019
Technical articles Personalizing human body temperature with wearable temperature sensors Jun. 29, 2020
Technical articles Helping physicians achieve faster, more accurate patient diagnoses with molecular test technology May 20, 2020
User guides Bluetooth-Enabled High Accuracy Skin Temperature Measurement Flex PCB Ref Design (Rev. A) May 19, 2020
Technical articles How to design an infrared thermometer quickly Apr. 07, 2020
White papers Ein Techniker-Leitfaden für Industrieroboter-Designs Mar. 25, 2020
Technical articles How to choose the right thermistor for your temperature sensing application Feb. 12, 2020
White papers E-book: An engineer’s guide to industrial robot designs Feb. 12, 2020
Application notes High-Performance Processor Die Temperature Monitoring (Rev. A) Oct. 17, 2019
Application notes RTD Class-AA Replacement With High-Accuracy Digital Temperature Sensors in Field (Rev. A) Jul. 22, 2019
Application notes Low-Power Design Techniques for Temperature-Sensing Applications Jun. 06, 2019
Application notes SC Temp Sensors Challenge Precision RTDs and Thermistors in Build Automation (Rev. A) May 08, 2019
Application notes Temperature compensation using high-accuracy temperature sensors Mar. 30, 2019
Application notes RTD replacement in heat meters using digital temperature sensors Mar. 20, 2019
Application notes How to monitor board temperature Jan. 28, 2019
Application notes Temperature sensing fundamentals Jan. 28, 2019
Application notes Temperature sensors: PCB guidelines for surface mount devices (Rev. A) Jan. 18, 2019
Application notes Effects of Soldering on High Precision IC Temperature Sensors Nov. 09, 2018
Application notes RTD Replacement in Heat Meter & Cold Junction Compensation Systems (Rev. B) Oct. 18, 2018
Application notes Design Challenges of Wearable Temperature Sensing Sep. 14, 2018
Application notes Design Considerations for Measuring Ambient Air Temperature (Rev. B) Sep. 10, 2018
Application notes Precise Temperature Measurements With the TMP116 and TMP117 (Rev. A) Aug. 09, 2018
Application notes Layout Considerations for Wearable Temperature Sensing Jul. 26, 2018
More literature TMP117EVM Quick Start Guide Jul. 26, 2018
Application notes Ambient Temperature Measurement Layout Considerations Jul. 16, 2018
Application notes Calculating Useful Lifetimes of Temperature Sensors Jul. 06, 2018
User guides TMP117EVM User Guide May 30, 2018
Application notes Replacing Resistance Temperature Detectors with the TMP116 Temp Sensor Nov. 06, 2017

Design & development

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

Hardware development

document-generic User guide

Improving on the TMP116 family of high-accuracy temperature sensors, the TMP117 provides up to ±0.1°C accuracy over the entire range of human body temperature (30°C to 42°C) and ±0.2°C accuracy over its whole operating range of -55°C to 150°C, making it the (...)

  • Provides GUI for simple and fast setup 
  • Perforated PCB allows sensor to be placed in user’s system
  • Provides best temperature accuracy measurement with 0.0078125°C resolution (16-bit)
  • Example of PCB layout for fast thermal response time
  • GUI runs online or through a desktop installation
  • Supports many (...)

Design tools & simulation

SNOM652.ZIP (41 KB) - IBIS Model

Reference designs

Bluetooth-enabled high accuracy skin temperature measurement flex PCB patch reference design
TIDA-01624 — This reference design demonstrates highly-accurate sensing of skin-temperature using the TMP117 high precision digital temperature sensor with CC2640R2F wireless MCU. This users guide provides design guidance for skin temperature measurement in medical and wearable applications along with an (...)
document-generic Schematic document-generic User guide
RTD replacement for cold junction compensation reference design in a temperature sensor
TIDA-010019 — Temperature-sensing applications that use a thermocouple (TC) require an accurate local temperature sensor to achieve high accuracy. Solutions for design challenges such as cold-junction compensation (CJC) or including an ultra-low power TC analog front-end are highlighted and addressed in this (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

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DSBGA (YBG) 6 View options
WSON (DRV) 6 View options

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