TMP275AIDR Datasheet, PDF (1/19 Pages) Texas Instruments – 0.5 C Digital Out Temperature Sensor

TMP275
SBOS363D − JUNE 2006 − REVISED AUGUST 2007
0.5°C Digital Out Temperature Sensor
FEATURES
D EIGHT ADDRESSES
D DIGITAL OUTPUT: Two-Wire Serial Interface
D RESOLUTION: 9- to 12-Bits, User-Selectable
D ACCURACY:
±0.5°C (max) from −20°C to +100°C
D LOW QUIESCENT CURRENT:
50µA, 0.1µA Standby
D WIDE SUPPLY RANGE: 2.7V to 5.5V
D SMALL MSOP-8 AND SO-8 PACKAGES
D NO POWER-UP SEQUENCE REQUIRED;
TWO-WIRE BUS PULL-UPS CAN BE
ENABLED BEFORE V+
DESCRIPTION
The TMP275 is a 0.5°C accurate, Two-Wire, serial output
temperature sensor available in an MSOP-8 or an SO-8
package. The TMP275 is capable of reading temperatures
with a resolution of 0.0625°C.
The TMP275 is SMBus-compatible and allows up to eight
devices on one bus. It is ideal for extended temperature
measurement in a variety of communication, computer,
consumer, environmental, industrial, and instrumentation
applications.
The TMP275 is specified for operation over a temperature
range of −40°C to +125°C.
APPLICATIONS
D POWER-SUPPLY TEMPERATURE
MONITORING
D COMPUTER PERIPHERAL THERMAL
PROTECTION
D NOTEBOOK COMPUTERS
D CELL PHONES
D BATTERY MANAGEMENT
D OFFICE MACHINES
D THERMOSTAT CONTROLS
D ENVIRONMENTAL MONITORING AND HVAC
D ELECTROMECHANICAL DEVICE
TEMPERATURE
Temperature
SDA ¹
Diode
Temp.
Sensor
SCL
ALERT
2
∆Σ
A/D
3 ^Converter
Control
Logic
8 _V+
7 _A0
Serial
Interface
6
A1
GND ⁴
OSC
Config.
and Temp.
5
A2
Register
TMP275
TEM PER AT URE ER RO R AT 25_ C
0 .5 0 0
TEM PER ATURE ERRO R vs TEMPERATURE
0.375
0 .2 5 0
0.125
0
−0.125
Temperature Error (_ C)
−0.250
−0.375
−0.500
−55 −35 −15
5 25 45 65
Temperature (_ C )
85 105 125 130
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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.
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