Ultrathin 0.15-mm, 1.2-V supply-capable digital temperature sensor with 0.3°C accuracy


Product details


Local sensor accuracy (Max) (+/- C) 0.3 Type Local Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 1.08 Interface type I2C, SMBus Supply voltage (Max) (V) 1.98 Temp resolution (Max) (bits) 16 Features 0.15mm Package Height Remote channels (#) 0 Addresses 3 Rating Catalog open-in-new Find other Digital temperature sensors


  • High Accuracy
    • ±0.3 °C maximum from –10 °C to +85 °C
    • ±0.5 °C maximum from –40 °C to +125 °C
    • ±0.1 °C typical
  • Operating Remperature Range: –40 °C to +125 °C
  • 16-bit Resolution: 0.0078 °C (LSB)
  • Low Power Consumption:
    • 0.7-µA Average Supply Current
    • 0.16-µA Shutdown Current
  • Supply Range of 1.08 V to 1.98 V
  • 1.2-V Compatible Logic Inputs Regardless of Rupply
  • I2C and SMBus Compatible Interface
  • Optional Cyclic Redundancy Check (CRC) Checksum
  • Temperature Alert Status with Hysteresis
  • NIST Traceability
  • Ultra-Thin 4-Ball PicoStar (DSBGA) Package
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The TMP114 is a high accuracy, I2C-compatible digital output temperature sensor in an ultra-thin (0.15 mm) 4-pin package. With a low height package, the TMP114 can be put under surface mount components for the fastest and most accurate temperature measurement and supports the latest thin form factor systems.

The TMP114 has an accuracy of ±0.3 °C and offers an on-chip 16-bit analog-to-digital converter (ADC) that provides a temperature resolution of 0.0078 °C.

The TMP114 is designed to operate from a supply voltage range of 1.08 V to 1.98 V, with a low average supply current of less than 0.7 µA. The low supply support, along with extremely low power consumption, is designed for battery-powered applications. The TMP114 is 100% tested on a production setup that is NIST traceable.

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Technical documentation

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Type Title Date
* Data sheet TMP114 Ultra-Thin, 1.2-V to 1.8-V Supply, High Accuracy Digital Temperature Sensor with I2C Interface datasheet Jun. 02, 2021
Certificate TMP114EVM EU RoHS Declaration of Conformity (DoC) (Rev. A) Sep. 02, 2021
User guide TMP114EVM User's Guide (Rev. A) Aug. 30, 2021
Technical article How temperature sensor size and placement improve system reliability and performance Aug. 12, 2021
Application note Under-Component Monitoring with Ultra-Small Temperature Sensors Jul. 28, 2021
Technical article How to choose the right thermistor for your temperature sensing application Feb. 13, 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems Oct. 15, 2019
Technical article Driving industrial innovation with small-size sensors Sep. 12, 2019

Design & development

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Hardware development

document-generic User guide
The TMP114EVM allows users to evaluate the performance of the TMP114 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 TMP114 device using an I2C interface.

The (...)
  • GUI (graphical user interface) for simple and fast setup
  • Perforated PCB (printed circuit board) allows sensors to be placed in user’s system
  • Example of PCB layout for fast thermal response time
  • Simple USB interface   

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