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LM50B

更新时间： 2024-11-15 04:20:07
品牌 Logo 应用领域
美国国家半导体 - NSC 传感器温度传感器
页数 文件大小 规格书
8页 162K
描述
SOT-23 Single-Supply Centigrade Temperature Sensor

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中文翻译

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LM50B 数据手册

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June 1996  
LM50B/LM50C  
SOT-23 Single-Supply Centigrade Temperature Sensor  
Y
Battery Management  
General Description  
The LM50 is a precision integrated-circuit temperature sen-  
Y
Automotive  
Y
FAX Machines  
b
a
sor that can sense a 40 C to 125 C temperature range  
§
§
Y
Y
Y
Y
Printers  
using a single positive supply. The LM50’s output voltage is  
linearly proportional to Celsius (Centigrade) temperature  
Portable Medical Instruments  
HVAC  
a
a
10 mV/ C) and has a DC offset of 500 mV. The offset  
(
§
allows reading negative temperatures without the need for a  
negative supply. The ideal output voltage of the LM50  
Power Supply Modules  
a
a
b
ranges from 100 mV to 1.75V for a 40 C to 125 C  
temperature range. The LM50 does not require any external  
a
§
§
Features  
Y
Calibrated directly in Celsius (Centigrade)  
§
10.0 mV/ C scale factor  
g
calibration or trimming to provide accuracies of 3 C at  
§
Y
a
2 C accuracy guaranteed at 25 C  
Linear  
§
b
125 C temperature range. Trimming and calibration of the  
g
room temperature and  
4 C over the full  
40 C to  
§
§
Y
Y
Y
Y
Y
Y
Y
Y
a
Specified for full 40 to 125 C range  
g
§
§
a
LM50 at the wafer level assure low cost and high accuracy.  
§
b
a
Suitable for remote applications  
§
§
a
The LM50’s linear output, 500 mV offset, and factory cali-  
Low cost due to wafer-level trimming  
Operates from 4.5V to 10V  
bration simplify circuitry required in a single supply environ-  
ment where reading negative temperatures is required. Be-  
cause the LM50’s quiescent current is less than 130 mA,  
Less than 130 mA current drain  
self-heating is limited to a very low 0.2 C in still air.  
§
Low self-heating, less than 0.2 C in still air  
§
Nonlinearity less than 0.8 C over temp  
§
Applications  
Y
Computers  
Y
Disk Drives  
Connection Diagram  
SOT-23  
Order  
SOT-23  
Supplied As  
Device Marking  
Number  
LM50BIM3  
LM50CIM3  
LM50BIM3X  
T5B  
T5C  
T5B  
T5C  
250 Units on Tape and Reel  
250 Units on Tape and Reel  
3000 Units on Tape and Reel  
3000 Units on Tape and Reel  
TL/H/12030–1  
LM50CIM3X  
Top View  
See NS Package Number M03B  
(JEDEC Registration TO-236AB)  
Typical Application  
TL/H/12030–3  
b
a
FIGURE 1. Full-Range Centigrade Temperature Sensor ( 40 C to 125 C)  
§
§
C
1996 National Semiconductor Corporation  
TL/H/12030  
RRD-B30M76/Printed in U. S. A.  
http://www.national.com  
12345678

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 		SOT-23 Single-Supply Centigrade Temperature Sensor
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LM50BIM3XNOPB TI

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