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TMP105
  • TMP105
  • TMP105

TMP105

ACTIVE

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

Texas Instruments TMP105 Product Info

1 April 2026 2

Parameters

Local sensor accuracy (max)

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

Features

ALERT, One-shot conversion

Supply current (max) (µA)

85

Temp resolution (max) (bps)

12

Remote channels (#)

0

Addresses

2

Rating

Catalog

Package

DSBGA (YZC)-6-2.1875 mm² 1.75 x 1.25

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+
  • 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+

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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