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TMP123

更新时间： 2024-11-03 22:42:07
品牌 Logo 应用领域
BB 传感器温度传感器
页数 文件大小 规格书
9页 128K
描述
1.5C Accurate Digital Temperature Sensor with SPI Interface

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TMP123 数据手册

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TMP121  
TMP123  
SBOS273C − JUNE 2003 − REVISED FEBRUARY 2005  
1.5°C Accurate Digital Temperature Sensor  
with SPIInterface  
FD EATURES  
DESCRIPTION  
DIGITAL OUTPUT: SPI-Compatible Interface  
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.  
D
RESOLUTION: 12-Bit + Sign, 0.0625°C  
D
ACCURACY:  
1.5°C from −25°C to +85°C (max)  
D
D
D
D
LOW QUIESCENT CURRENT: 50µA (max)  
WIDE SUPPLY RANGE: 2.7V to 5.5V  
TINY SOT23-6 PACKAGE  
OPERATION TO 150°C  
The TMP121 and TMP123 are ideal for extended thermal  
measurement in a variety of communication, computer,  
consumer, environmental, industrial, and instrumentation  
applications.  
AD PPLICATIONS  
POWER-SUPPLY TEMPERATURE  
MONITORING  
D
COMPUTER PERIPHERAL THERMAL  
PROTECTION  
D
D
D
D
NOTEBOOK COMPUTERS  
CELL PHONES  
BATTERY MANAGEMENT  
OFFICE MACHINES  
Tem pe r at ur e  
Temperature  
Diode  
Temp.  
Sensor  
Diode  
Te mp.  
Sensor  
Control  
Logic  
Control  
Logic  
NC  
GND  
V+  
1
2
3
SO  
GND  
SO  
6
5
4
1
2
3
6
5
4
∆Σ  
A/D  
Converter  
∆Σ  
A/D  
Converter  
Serial  
Interface  
Serial  
Interface  
NC  
CS  
CS  
Config.  
and Temp.  
Register  
Config.  
and Temp.  
Register  
V+  
OSC  
SCK  
OSC  
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.  
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆꢇ ꢂꢈ ꢃ ꢉꢆꢉ ꢊꢋ ꢌꢍ ꢎ ꢏꢐ ꢑꢊꢍꢋ ꢊꢒ ꢓꢔ ꢎ ꢎ ꢕꢋꢑ ꢐꢒ ꢍꢌ ꢖꢔꢗ ꢘꢊꢓ ꢐꢑꢊ ꢍꢋ ꢙꢐ ꢑꢕꢚ ꢀꢎ ꢍꢙꢔ ꢓꢑꢒ  
ꢓ ꢍꢋ ꢌꢍꢎ ꢏ ꢑꢍ ꢒ ꢖꢕ ꢓ ꢊ ꢌꢊ ꢓ ꢐ ꢑꢊ ꢍꢋꢒ ꢖ ꢕꢎ ꢑꢛꢕ ꢑꢕ ꢎ ꢏꢒ ꢍꢌ ꢆꢕꢜ ꢐꢒ ꢇꢋꢒ ꢑꢎ ꢔꢏ ꢕꢋꢑ ꢒ ꢒꢑ ꢐꢋꢙ ꢐꢎ ꢙ ꢝ ꢐꢎ ꢎ ꢐ ꢋꢑꢞꢚ  
ꢀꢎ ꢍ ꢙꢔꢓ ꢑ ꢊꢍ ꢋ ꢖꢎ ꢍ ꢓ ꢕ ꢒ ꢒ ꢊꢋ ꢟ ꢙꢍ ꢕ ꢒ ꢋꢍꢑ ꢋꢕ ꢓꢕ ꢒꢒ ꢐꢎ ꢊꢘ ꢞ ꢊꢋꢓ ꢘꢔꢙ ꢕ ꢑꢕ ꢒꢑꢊ ꢋꢟ ꢍꢌ ꢐꢘ ꢘ ꢖꢐ ꢎ ꢐꢏ ꢕꢑꢕ ꢎ ꢒꢚ  
Copyright 2003−2005, Texas Instruments Incorporated  
www.ti.com  
1234567...9

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