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Burr-Brown Corporation - 1.5C Accurate Programmable Digital Temperature Sensors with SPI Interface

Numéro de référence TMP124AID
Description 1.5C Accurate Programmable Digital Temperature Sensors with SPI Interface
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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TMP124AID fiche technique
TMP122
TMP124
SBOS272B – JUNE 2003 – REVISED DECEMBER 2003
1.5°C Accurate Programmable
Digital Temperature Sensors
with SPI™ Interface
FEATURES
q DIGITAL OUTPUT: SPI-Compatible Interface
q PROGRAMMABLE RESOLUTION:
9- to 12-Bits + Sign
q ACCURACY:
±1.5°C from –25°C to +85°C (max)
±2.0°C from –40°C to +125°C (max)
q LOW QUIESCENT CURRENT: 50µA
q WIDE SUPPLY RANGE: 2.7V to 5.5V
q TINY SOT23-6 AND SO-8 PACKAGES
q OPERATION TO 150°C
q PROGRAMMABLE HIGH/LOW SETPOINTS
APPLICATIONS
q POWER-SUPPLY TEMPERATURE MONITORING
q COMPUTER PERIPHERAL THERMAL PROTECTION
q NOTEBOOK COMPUTERS
q CELL PHONES
q BATTERY MANAGEMENT
q OFFICE MACHINES
q THERMOSTAT CONTROLS
q ENVIRONMENTAL MONITORING and HVAC
q ELECTROMECHANICAL DEVICE TEMPERATURE
Temperature
ALERT
1
Diode
Temp.
Sensor
Control
Logic
6 SO/I
GND
2 ∆Σ
A/D
Converter
Serial
Interface
5
CS
V+ 3
OSC
Config
and Temp
Register
4
SCK
DESCRIPTION
The TMP122 and TMP124 are SPI-compatible temperature
sensors available in SOT23-6 and SO-8 packages. Requir-
ing only a pull-up resistor for complete function, the TMP122
and TMP124 temperature sensors are capable of measuring
temperatures within 2°C of accuracy over a temperature
range of –40°C to +125°C, with operation up to 150°C.
Programmable resolution, programmable set points and shut
down function provide versatility for any application. Low
supply current and a supply range from 2.7V to 5.5V make
the TMP122 and TMP124 excellent candidates for low-
power applications.
The TMP122 and TMP124 are ideal for extended thermal
measurement in a variety of communication, computer, con-
sumer, environmental, industrial, and instrumentation appli-
cations.
Temperature
SO/I
1
Diode
Temp.
Sensor
SCK
2 ∆Σ
A/D
Converter
NC 3
GND
4
OSC
Control
Logic
8 V+
Serial
Interface
7
CS
Config
and Temp
Register
6
5
NC
ALERT
TMP122
TMP124
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.
www.ti.com
Copyright © 2003, Texas Instruments Incorporated

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