1

FEATURES

DESCRIPTION

APPLICATIONS

SUPPORTS DEFENSE, AEROSPACE,

TMP122-EP

1.5°C ACCURATE PROGRAMMABLE DIGITAL TEMPERATURE SENSORS

WITH SPI™ INTERFACE

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• Digital Output: SPI-Compatible Interface

• Programmable Resolution: 9 to 12 Bits + Sign

The TMP122 is an SPI-compatible temperature

sensor available in an SOT23-6 package. Requiring

• Aaccuracy: ±1.5°C from -25°C to 85°C (max)

only a pull-up resistor for complete function, the

±2.0°C from -55°C to 125°C (max)

TMP122 temperature sensor is capable of measuring

• Low Quiescent Current: 50 µA

temperatures

within

2°C

of

accuracy

over

a

• Wide Supply Range: 2.7 V to 5.5 V

temperature range of -55°C to 125°C, with operation

up

to

150°C.

Programmable

resolution,

• Tiny SOT23-6 Package

programmable set points and shut down function

• Operation to 150°C

provide versatility for any application. Low supply

• Programmable High/Low Setpoints

current and a supply range from 2.7 V to 5.5 V make

the TMP122 an excellent candidate for low-power

applications.

• Power-Supply Temperature Monitoring

The

TMP122

is

ideal

for

extended

thermal

• Computer Peripheral Thermal Protection

measurement

in

a

variety

of

communication,

computer, consumer, environmental, industrial, and

• Notebook Computers

instrumentation applications.

• Cell Phones

• Battery Management

• Office Machines

• Thermostat Controls

• Environmental Monitoring and HVAC

• Electromechanical Device Temperature

AND MEDICAL APPLICATIONS

• Controlled Baseline

• One Assembly/Test Site

• One Fabrication Site

• Available in Military (–55°C/125°C)

• Extended Product Life Cycle

• Extended Product-Change Notification

• Product Traceability

(1)

Additional temperature ranges are available - contact factory

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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SPI is a trademark of Motorola.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.