TMP125_15 Datasheet, PDF (1/12 Pages) Texas Instruments – 2°C Accurate Digital Temperature Sensor with SPI Interface

TMP125
SBOS323A − DECEMBER 2004 − REVISED JUNE 2005
2°C Accurate Digital Temperature Sensor
with SPI Interface
FEATURES
D DIGITAL OUTPUT: SPI-Compatible Interface
D RESOLUTION: 10-Bit, 0.25°C
D ACCURACY:
±2.0°C (max) from −25°C to +85°C
±2.5°C (max) from −40°C to +125°C
D LOW QUIESCENT CURRENT: 50µA (max)
D WIDE SUPPLY RANGE: 2.7V to 5.5V
D TINY SOT23-6 PACKAGE
D OPERATION FROM −40°C to +125°C
APPLICATIONS
D BASE STATION EQUIPMENT
D COMPUTER PERIPHERAL THERMAL
PROTECTION
D NOTEBOOK COMPUTERS
D DATA ACQUISITION SYSTEMS
D TELECOM EQUIPMENT
D OFFICE MACHINES
TMP125 RELATED PRODUCTS
FEATURES
2°C Digital Temp Sensors with Two-Wire Interface
1.5°C Digital Temp Sensors with Two-Wire Interface
1.5°C Digital Temp Sensors with SPI
1.5°C Programmable Digital Temp Sensors with SPI
PRODUCT
TMP100/101
TMP75/175
TMP121/123
TMP122/124
DESCRIPTION
The TMP125 is an SPI-compatible temperature sensor
available in the tiny SOT23-6 package. Requiring no
external components, the TMP125 is capable of
measuring temperatures within 2°C of accuracy over a
temperature range of −25°C to +85°C and 2.5°C of
accuracy over −40°C to +125°C. Low supply current, and
a supply range from 2.7V to 5.5V, make the TMP125 an
excellent candidate for low-power applications.
The TMP125 is ideal for extended thermal measurement
in a variety of communication, computer, consumer,
environmental, industrial, and instrumentation
applications.
Temperature
GND 1
Diode
Temp.
Sensor
Control
Logic
6 SO
SI 2
∆Σ
A/D
Converter
Serial
Interface
5 CS
V+ 3
OSC
Config.
and Temp.
Register
4 SCK
TMP125
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.
SPI is a registered trademark of Motorola. All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright  2004−2005, Texas Instruments Incorporated
www.ti.com