Diode

Temp.

Sensor

DS

A/D

Converter

OSC

Control

Logic

Serial

Interface

Config.

andTemp.

Register

Temperature

SCL

1

3

6

4

ALERT

SDA

GND

2

5

V+

ADD0

SCL

GND

ALERT

2

4

1

ADD0

V+

6

3

5

0.01 µF

Two-Wire

Host Controller

TMP102

1.4 V to 3.6 V

SDA

Pullup Resistors

Supply Bypass

Capacitor

Supply Voltage

5 k

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

Reference

Design

TMP102

SBOS397F – AUGUST 2007 – REVISED DECEMBER 2015

TMP102 Low-Power Digital Temperature Sensor With SMBus and Two-Wire Serial

Interface in SOT563

1 Features

3 Description

The TMP102 device is a digital temperature sensor

1

•

SOT563 Package (1.6-mm × 1.6-mm) is a 68%

ideal for NTC/PTC thermistor replacement where high

Smaller Footprint than SOT-23

accuracy is required. The device offers an accuracy

•

Accuracy Without Calibration:

of ±0.5°C without requiring calibration or external

–

2.0°C (max) from –25°C to 85°C

component signal conditioning. Device temperature

sensors are highly linear and do not require complex

–

3.0°C (max) from –40°C to 125°C

calculations

or

lookup

tables

to

derive

the

•

Low Quiescent Current:

temperature.

The

on-chip

12-bit

ADC

offers

–

10-

μA Active (max)

resolutions down to 0.0625°C.

–

1-

μA Shutdown (max)

The 1.6-mm × 1.6-mm SOT563 package is 68%

•

Supply Range: 1.4 to 3.6 V

smaller footprint than an SOT-23 package. The

•

Resolution: 12 Bits

interface compatibility, and allows up to four devices

•

on one bus. The device also features an SMBus alert

Interface Compatibility

function. The device is specified to operate over

•

NIST Traceable

supply voltages from 1.4 to 3.6 V with the maximum

quiescent current of 10 µA over the full operating

range.

2 Applications

The TMP102 device is ideal for extended temperature

•

Portable and Battery-Powered Applications

measurement

in

a

variety

of

communication,

•

Power-supply Temperature Monitoring

computer, consumer, environmental, industrial, and

•

Computer Peripheral Thermal Protection

instrumentation applications. The device is specified

•

Notebook Computers

for operation over a temperature range of –40°C to

125°C.

•

Battery Management

•

Office Machines

The TMP102 production units are 100% tested

against sensors that are NIST-traceable and are

•

Thermostat Controls

verified with equipment that are NIST-traceable

•

Electromechanical Device Temperatures

through ISO/IEC 17025 accredited calibrations.

•

General Temperature Measurements:

Device Information(1)

–

Industrial Controls

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

Test Equipment

TMP102

SOT563 (6)

1.60 mm × 1.20 mm

–

Medical Instrumentations

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematic

Block Diagram

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.