TMP275
SBOS363A − JUNE 2006 − REVISED JUNE 2006
0.5°C Digital Out Temperature Sensor
FD EATURES
DESCRIPTION
8 ADDRESSES
The TMP275 is a 0.5°C accurate, two-wire, serial output
temperature sensor available in the MSOP-8 package. The
TMP275 is capable of reading temperatures with a resolution
of 0.0625°C.
D
D
D
DIGITAL OUTPUT: Two-Wire Serial Interface
RESOLUTION: 9- to 12-Bits, User-Selectable
ACCURACY:
0.5°C (max) from +10°C to +85°C
0.75°C (max) from +0°C to +100°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.
D
LOW QUIESCENT CURRENT:
50µA, 0.1µA Standby
D
WIDE SUPPLY RANGE: 2.7V to 5.5V
SMALL MSOP-8 PACKAGE
The TMP275 is specified for operation over a temperature
range of −40°C to +125°C.
D
AD PPLICATIONS
Temperature
Diode
POWER-SUPPLY TEMPERATURE
MONITORING
1
Control
Logic
8
7
Temp.
V+
A0
SDA
Sensor
D
COMPUTER PERIPHERAL THERMAL
PROTECTION
2
SCL
D
D
D
D
D
D
D
NOTEBOOK COMPUTERS
CELL PHONES
∆Σ
A/D
Serial
Interface
Converter
3
4
6
5
BATTERY MANAGEMENT
OFFICE MACHINES
ALERT
GND
A1
A2
Config.
and Temp.
Register
THERMOSTAT CONTROLS
ENVIRONMENTAL MONITORING AND HVAC
OSC
ELECTROMECHANICAL DEVICE
TEMPERATURE
TMP275
_
TEMPERATURE ERROR AT 25 C
TEMPERATURE ERROR vs TEMPERATURE
0.500
0.375
0.250
0.125
0
−
0.125
−
−
0.250
0.375
36 Units Shown
−
0.500
−
−
−
15
55
35
5
25
45
65
85 105 125 130
_
Temperature ( C)
_
Temperature Error ( C)
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