TMP105

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±2°C, 2.6V to 3.3V digital temperature sensor with I2C/SMBus interface & Alert fun

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Product details

Parameters

Local sensor accuracy (Max) (+/- C) 2 Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 2.6 Supply voltage (Max) (V) 3.3 Device type Local Interface I2C, SMBus, 2-Wire Supply current (Max) (uA) 85 Temp resolution (Max) (bits) 12 Features ALERT, One-shot conversion Remote channels (#) 0 Addresses 2 Rating Catalog Approx. price (US$) 0.56 | 1ku open-in-new Find other Digital temperature sensors

Package | Pins | Size

DSBGA (YZC) 6 3 mm² 1.12 x 1.62 open-in-new Find other Digital temperature sensors

Features

  • SUPPORTS 1.8V I2C BUS
  • TWO ADDRESSES
  • DIGITAL OUTPUT: Two-Wire Serial Interface
  • RESOLUTION: 9- to 12-Bits, User-Selectable
  • ACCURACY:
    • ±2.0°C (max) from –25°C to +85°C
    • ±3.0°C (max) from –40°C to +125°C
  • LOW QUIESCENT CURRENT:
    50µA, 1.5µA Standby
  • NO POWER-UP SEQUENCE REQUIRED, I2C PULLUPS CAN BE ENABLED PRIOR TO V+
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Description

The TMP105 is a two-wire, serial output temperature sensor available in a WCSP package. Requiring no external components, the TMP105 is capable of reading temperatures with a resolution of 0.0625°C.

The TMP105 features a Two-Wire interface that is SMBus-compatible, with the TMP105 allowing up to two devices on one bus. The TMP105 features an SMBus Alert function.

The TMP105 is ideal for extended temperature measurement in a variety of communication, computer, consumer, environmental, industrial, and instrumentation applications.

The TMP105 is specified for operation over a temperature range of –40°C to +125°C.

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Technical documentation

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No results found. Please clear your search and try again. View all 5
Type Title Date
* Datasheet Digital Temperature Sensor with Two-Wire Interface  datasheet (Rev. D) Sep. 02, 2011
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
Technical articles How sensor technology is evolving to meet cold chain needs Jun. 18, 2018

Design & development

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

Software development

DRIVERS & LIBRARIES 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
  • (...)

CAD/CAE symbols

Package Pins Download
DSBGA (YZC) 6 View options

Ordering & quality

Support & training

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Videos

TI Precision Labs - Temperature Sensors: Interchangeability

This section of the TI Precision Labs - Temperature Sensors series explains considerations in sensor interchangeability.

Posted: 18-Jan-2019
Duration: 06:24

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