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

TMP105

ACTIVE
Data sheet Order now

Product details

Local sensor accuracy (Max) (+/- C) 2 Type Local Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 2.6 Interface type I2C, SMBus Supply voltage (Max) (V) 3.3 Supply current (Max) (uA) 85 Temp resolution (Max) (bits) 12 Features ALERT, One-shot conversion Remote channels (#) 0 Addresses 2 Rating Catalog
Local sensor accuracy (Max) (+/- C) 2 Type Local Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 2.6 Interface type I2C, SMBus Supply voltage (Max) (V) 3.3 Supply current (Max) (uA) 85 Temp resolution (Max) (bits) 12 Features ALERT, One-shot conversion Remote channels (#) 0 Addresses 2 Rating Catalog
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DSBGA (YZC) 6 3 mm² 1.12 x 1.62
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  • 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+
  • 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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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.

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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Type Title Date
* Data sheet Digital Temperature Sensor with Two-Wire Interface  datasheet (Rev. D) 02 Sep 2011
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

Design & development

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

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
  • (...)
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Package Pins Download
DSBGA (YZC) 6 View options

Ordering & quality

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  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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