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ACCURATE DIGITAL TEMPERATURE SENSOR



Burr-Brown Corporation 로고
Burr-Brown Corporation
TMP123AQDBVREP 데이터시트, 핀배열, 회로
BurrĆBrown Products
from Texas Instruments
TMP121-EP
TMP123-EP
SGLS315 – SEPTEMBER 2005
1.5°C ACCURATE DIGITAL TEMPERATURE SENSOR WITH SPI™ INTERFACE
FEATURES
Controlled Baseline
– One Assembly/Test Site, One Fabrication
Site
Extended Temperature Performance of -40°C
to 125°C
Enhanced Diminishing Manufacturing
Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree (1)
Digital Output: SPI-Compatible Interface
Resolution: 12-Bit + Sign, 0.0625°C
(1) Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
Accuracy: ±1.5°C from –25°C to 85°C (max)
Low Quiescent Current: 50 µA (max)
Wide Supply Range: 2.7 V to 5.5 V
Tiny SOT23-6 Package
Operation to 150°C
APPLICATIONS
Power-Supply Temperature Monitoring
Computer Peripheral Thermal Protection
Notebook Computers
Battery Management
Environmental Monitoring
DESCRIPTION
The TMP121 and TMP123 are SPI-compatible temperature sensors available in the tiny SOT23-6 package.
Requiring no external components, the TMP121 and TMP123 are capable of measuring temperatures within 2°C
of accuracy over a temperature range of –40°C to 125°C. Low supply current and a supply range from 2.7 V to
5.5 V make the TMP121 and TMP123 excellent candidates for low-power applications.
The TMP121 and TMP123 are ideal for extended thermal measurement in a variety of communication, computer,
consumer, environmental, industrial, and instrumentation applications.
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 trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2005, Texas Instruments Incorporated


TMP123AQDBVREP 데이터시트, 핀배열, 회로
TMP121-EP
TMP123-EP
SGLS315 – SEPTEMBER 2005
Temperature
NC 1
Diode
Temp.
Sensor
Control
Logic
6 SO
Temperature
GND 1
Diode
Temp.
Sensor
www.ti.com
Control
Logic
6 SO
GND 2
∆Σ
A/D
Converter
Serial
Interface
5 CS
NC 2
∆Σ
A/D
Converter
Serial
Interface
5 CS
V+ 3
OSC
Config.
and Temp.
Register
4 SCK
V+ 3
OSC
Config.
and Temp.
Register
4 SCK
TMP121
TMP123
NC = No Connection(1)
(1) Pins Labeled NC should be left floating or connected to GND.
NC = No Connection(1)
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated
circuits be handled with appropriate precautions. Failure to observe proper handling and installation
procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision
integrated circuits may be more susceptible to damage because very small parametric changes could
cause the device not to meet its published specifications.
TA
–40°C to 125°C
(1) Product Preview
ORDERING INFORMATION
PACKAGE-LEAD
SOT23-6 (DBV) Reel of 3000
ORDERABLE PART NUMBER
TMP121AQDBVREP
TMP123AQDBVREP (1)
PACKAGE MARKING
121E
123E
ABSOLUTE MAXIMUM RATINGS(1)
V+
TJ max
Power supply
Input voltage(2)
Input current
Operating temperature range
Storage temperature range
Junction temperature
Lead temperature (soldering)
UNIT
7V
–0.3 V to 7 V
10 mA
–55°C to 150°C
–60°C to 150°C
150°C
300°C
(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may
degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those specified is not supported.
(2) Input voltage rating applies to all TMP121 and TMP123 input voltages.
2




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ACCURATE DIGITAL TEMPERATURE SENSOR - Burr-Brown Corporation