TMP275

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±0.5°C Temperature Sensor with I2C/SMBus Interface in Industry Std LM75 Form Factor & Pinout

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Product details

Parameters

Local sensor accuracy (Max) (+/- C) 0.5 Type Local Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 2.7 Interface type I2C, SMBus, 2-Wire Supply voltage (Max) (V) 5.5 Supply current (Max) (uA) 85 Temp resolution (Max) (bits) 12 Features ALERT, One-shot conversion Remote channels (#) 0 Addresses 8 Rating Catalog open-in-new Find other Digital temperature sensors

Package | Pins | Size

SOIC (D) 8 19 mm² 3.91 x 4.9 VSSOP (DGK) 8 15 mm² 3 x 4.9 open-in-new Find other Digital temperature sensors

Features

  • High Accuracy:
    • ±0.5°C (Maximum) From −20°C to 100°C
    • ±1°C (Maximum) From −40°C to 125°C
  • Low Quiescent Current:
    • 50 µA (Typical)
    • 0.1-µA Standby
  • Resolution: 9 to 12 Bits, User-Selectable
  • Digital Output: SMBus™, Two-Wire, and I2C Interface Compatibility
  • 8 I2C/SMBus Addresses
  • Wide Supply Range: 2.7 V to 5.5 V
  • Small VSSOP-8 and SOIC-8 Packages
  • No Specified Power-up Sequence Required; Two-Wire Bus Pullups May Be Enabled Before V+

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Description

The TMP275 is a ±0.5°C accurate integrated digital temperature sensor with a 12-bit analog-to-digital converter (ADC) that can operate as low as 2.7-V supply voltage and is pin- and register-compatible with the Texas Instruments LM75, TMP75, TMP75B, and TMP175 devices. This device is available in SOIC-8 and VSSOP-8 packages, and it requires no external components to sense the temperature. The TMP275 is capable of reading temperatures with a maximum resolution of 0.0625°C (12 bits) and as low as 0.5°C (9 bits), which allows the user to maximize efficiency by programming for higher resolution or faster conversion time. The device is specified over a temperature range of –40°C to 125°C.

The TMP275 device features SMBus and two-wire interface compatibility, and allows up to eight devices on the same bus with the SMBus overtemperature alert function. The factory-calibrated temperature accuracy and the noise-immune digital interface make the TMP275 the preferred solution for temperature compensation of other sensors and electronic components, without the need for additional system-level calibration or elaborate board layout for distributed temperature sensing.

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Technical documentation

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Type Title Date
* Datasheet TMP275 ±0.5°C Temperature Sensor With I2C and SMBus Interface in Industry Standard LM75 Form Factor and Pinout datasheet (Rev. F) May 04, 2018
Technical articles How to choose the right thermistor for your temperature sensing application Feb. 12, 2020
Technical articles How to enable thermal safety for automotive infotainment and cluster systems Oct. 15, 2019
Technical articles Driving industrial innovation with small-size sensors Sep. 12, 2019
Application note Calculating Useful Lifetimes of Temperature Sensors Jul. 06, 2018
Technical articles How sensor technology is evolving to meet cold chain needs Jun. 18, 2018
Application note Applying I2C-Compatible Temperature Sensors in Systems With Slow Clock Edges (Rev. A) May 06, 2013

Design & development

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

Software development

DRIVER OR LIBRARY Download
Linux Driver for I2C temperature sensors
LM75SW-LINUX 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
  • (...)

Design tools & simulation

SIMULATION MODEL Download
SLOM204.ZIP (22 KB) - IBIS Model

Reference designs

REFERENCE DESIGNS Download
Accurate Temperature, Light Sensing, and Diagnostics Reference Design for Smart Grid Applications
TIDA-00811 — This reference design provides accurate measurements of ambient light intensity used to detect arc flash faults with a fast response of 1 ms, protecting or minimizing damages to power distribution switchgear. This design also monitors temperature (using switch, analog, digital or remote ), humidity (...)
document-generic Schematic
REFERENCE DESIGNS Download
Temperature Sensor Interface Module for Programmable Logic Controllers (PLC)
TIDA-00018 The TIDA-00018 reference design enables faster development of high precision temperature measurement solutions using 24-Bit delta-sigma ADC and most widely used temperature sensors like thermocouple and RTD. The design guide will address the sensor signal conditioning, thermocouple cold junction (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

Ordering & quality

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