Product details

Local sensor accuracy (Max) (+/- C) 1.5 Type Local Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 2.7 Interface type I2C, SMBus 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 27 Rating Catalog
Local sensor accuracy (Max) (+/- C) 1.5 Type Local Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 2.7 Interface type I2C, SMBus 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 27 Rating Catalog
SOIC (D) 8 19 mm² 3.91 x 4.9 VSSOP (DGK) 8 15 mm² 3 x 4.9
  • TMP175: 27 Addresses
  • TMP75: 8 Addresses, NIST Traceable
  • Digital Output: SMBus™, Two-Wire, and I2C Interface Compatibility
  • Resolution: 9 to 12 Bits, User-Selectable
  • Accuracy:
    • ±1 °C (Typical) from −40 °C to +125 °C
    • ±2 °C (Maximum) from −40 °C to +125 °C
  • Low Quiescent Current: 50-µA, 0.1-µA Standby
  • Wide Supply Range: 2.7 V to 5.5 V
  • Small 8-Pin MSOP and 8-Pin SOIC Packages
  • TMP175: 27 Addresses
  • TMP75: 8 Addresses, NIST Traceable
  • Digital Output: SMBus™, Two-Wire, and I2C Interface Compatibility
  • Resolution: 9 to 12 Bits, User-Selectable
  • Accuracy:
    • ±1 °C (Typical) from −40 °C to +125 °C
    • ±2 °C (Maximum) from −40 °C to +125 °C
  • Low Quiescent Current: 50-µA, 0.1-µA Standby
  • Wide Supply Range: 2.7 V to 5.5 V
  • Small 8-Pin MSOP and 8-Pin SOIC Packages

The TMP75 and TMP175 devices are digital temperature sensors ideal for negative temperature coefficient (NTC) and positive temperature coefficient (PTC) thermistor replacement. The devices offer a typical accuracy of ±1 °C without requiring calibration or external component signal conditioning. Device temperature sensors are highly linear and do not require complex calculations or look-up tables to derive the temperature. The on-chip 12-bit analog-to-digital converter (ADC) offers resolutions down to 0.0625 °C. The devices are available in the industry-standard LM75 SOIC-8 and MSOP-8 footprint.

The TMP175 and TMP75 feature SMBus, two-wire, and I2C interface compatibility. The TMP175 device allows up to 27 devices on one bus. The TMP75 allows up to eight on one bus. The TMP175 and TMP75 both feature an SMBus Alert function.

The TMP175 and TMP75 devices are ideal for extended temperature measurement in a variety of communication, computer, consumer, environmental, industrial, and instrumentation applications.

The TMP175 and TMP75 devices are specified for operation over a temperature range of −40 °C to +125 °C.

The TMP75 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.

The TMP75 and TMP175 devices are digital temperature sensors ideal for negative temperature coefficient (NTC) and positive temperature coefficient (PTC) thermistor replacement. The devices offer a typical accuracy of ±1 °C without requiring calibration or external component signal conditioning. Device temperature sensors are highly linear and do not require complex calculations or look-up tables to derive the temperature. The on-chip 12-bit analog-to-digital converter (ADC) offers resolutions down to 0.0625 °C. The devices are available in the industry-standard LM75 SOIC-8 and MSOP-8 footprint.

The TMP175 and TMP75 feature SMBus, two-wire, and I2C interface compatibility. The TMP175 device allows up to 27 devices on one bus. The TMP75 allows up to eight on one bus. The TMP175 and TMP75 both feature an SMBus Alert function.

The TMP175 and TMP75 devices are ideal for extended temperature measurement in a variety of communication, computer, consumer, environmental, industrial, and instrumentation applications.

The TMP175 and TMP75 devices are specified for operation over a temperature range of −40 °C to +125 °C.

The TMP75 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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Technical documentation

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Type Title Date
* Data sheet TMPx75 Temperature Sensor With I2C and SMBus Interface in Industry Standard LM75 datasheet (Rev. M) 13 Oct 2020
Technical article How to choose the right thermistor for your temperature sensing application 13 Feb 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems 15 Oct 2019
Technical article Driving industrial innovation with small-size sensors 12 Sep 2019
Technical article How to select a temperature sensor probe 18 Feb 2016
Application note Applying I2C-Compatible Temperature Sensors in Systems With Slow Clock Edges (Rev. A) 06 May 2013

Design & development

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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
  • (...)
Simulation model

TMP175 IBIS Model

SLOM203.ZIP (22 KB) - IBIS Model
Package Pins Download
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

Ordering & quality

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