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PDF ( 数据手册 , 数据表 ) TMP121

零件编号 TMP121
描述 (TMP121 / TMP123) 1.5C Accurate Digital Temperature Sensor
制造商 Burr-Brown Corporation
LOGO Burr-Brown Corporation LOGO 


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TMP121 数据手册, 描述, 功能
TMP121
TMP123
SBOS273C − JUNE 2003 − REVISED FEBRUARY 2005
1.5°C Accurate Digital Temperature Sensor
with SPIInterface
FEATURES
D DIGITAL OUTPUT: SPI-Compatible Interface
D RESOLUTION: 12-Bit + Sign, 0.0625°C
www.DataSheet4UD.comACCURACY:
±1.5°C from −25°C to +85°C (max)
D LOW QUIESCENT CURRENT: 50µA (max)
D WIDE SUPPLY RANGE: 2.7V to 5.5V
D TINY SOT23-6 PACKAGE
D OPERATION TO 150°C
APPLICATIONS
D POWER-SUPPLY TEMPERATURE
MONITORING
D COMPUTER PERIPHERAL THERMAL
PROTECTION
D NOTEBOOK COMPUTERS
D CELL PHONES
D BATTERY MANAGEMENT
D OFFICE MACHINES
DESCRIPTION
The TMP121 and TMP123 are SPI-compatible tempera-
ture 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 2.7V
to 5.5V, 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.
Temperature
NC 1
Diode
Temp.
Sensor
Control
Logic
6 SO
Temperature
GND 1
Diode
Temp.
Sensor
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)
NC = No Connection(1)
(1) Pins labeled NC should be left floating or connected to GND.
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.
All 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 2003−2005, Texas Instruments Incorporated
www.ti.com







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