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LM20BIM7 PDF预览

LM20BIM7

更新时间: 2024-11-10 22:47:07
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
9页 221K
描述
LM20 2.4V, 10レA, SC70, micro SMD Temperature Sensor

LM20BIM7 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:PLASTIC, SC-70, 5 PINReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.24最大精度(摄氏度):2.5 Cel
主体宽度:1.25 mm主体高度:0.9 mm
主体长度或直径:2 mm外壳:PLASTIC
JESD-609代码:e0线性度(Cel):0.4 Cel
安装特点:SURFACE MOUNT端子数量:5
最大工作电流:0.01 mA最高工作温度:130 °C
最低工作温度:-55 °C输出电流标称:10 µA
封装主体材料:PLASTIC/EPOXY封装等效代码:TSSOP5/6,.08
封装形状/形式:RECTANGULAR电源:2.4/5.5 V
传感器/换能器类型:TEMPERATURE SENSOR,ANALOG,VOLTAGE OUTPUT子类别:Other Sensors
最大供电电压:5.5 V最小供电电压:2.4 V
表面贴装:YES技术:CMOS
温度系数:NEGATIVE ppm/ °C端子面层:Tin/Lead (Sn/Pb)
端接类型:SOLDER

LM20BIM7 数据手册

 浏览型号LM20BIM7的Datasheet PDF文件第2页浏览型号LM20BIM7的Datasheet PDF文件第3页浏览型号LM20BIM7的Datasheet PDF文件第4页浏览型号LM20BIM7的Datasheet PDF文件第5页浏览型号LM20BIM7的Datasheet PDF文件第6页浏览型号LM20BIM7的Datasheet PDF文件第7页 
October 1999  
LM20  
2.4V, 10µA, SC70, micro SMD Temperature Sensor  
n Battery Management  
n FAX Machines  
n Printers  
n HVAC  
n Disk Drives  
n Appliances  
General Description  
The LM20 is  
a
precision analog output CMOS  
integrated-circuit temperature sensor that operates over a  
−55˚C to +130˚C temperature range. The power supply op-  
erating range is +2.4 V to +5.5 V. The transfer function of  
LM20 is predominately linear, yet has a slight predictable  
parabolic curvature. The accuracy of the LM20 when speci-  
±
fied to a parabolic transfer function is 1.5˚C at an ambient  
Features  
temperature of +30˚C. The temperature error increases lin-  
early and reaches a maximum of 2.5˚C at the temperature  
range extremes. The temperature range is affected by the  
power supply voltage. At a power supply voltage of 2.7 V to  
5.5 V the temperature range extremes are +130˚C and  
n Rated for full −55˚C to +130˚C range  
±
n Available in an SC70 and a micro SMD package  
n Predictable curvature error  
n Suitable for remote applications  
−55˚C. Decreasing the power supply voltage to 2.4  
V
changes the negative extreme to −30˚C, while the positive  
remains at +130˚C.  
Key Specifications  
±
±
±
1.5 to 4 ˚C (max)  
n Accuracy at +30˚C  
n Accuracy at +130˚C & −55˚C  
n Power Supply Voltage Range  
n Current Drain  
The LM20’s quiescent current is less than 10 µA. Therefore,  
self-heating is less than 0.02˚C in still air. Shutdown capabil-  
ity for the LM20 is intrinsic because its inherent low power  
consumption allows it to be powered directly from the output  
of many logic gates or does not necessitate shutdown at all.  
±
2.5 to 5 ˚C (max)  
+2.4V to +5.5V  
10 µA (max)  
±
n Nonlinearity  
0.4 % (typ)  
n Output Impedance  
n Load Regulation  
160 (max)  
Applications  
n Cellular Phones  
n Computers  
<
<
0 µA IL +16 µA  
−2.5 mV (max)  
n Power Supply Modules  
Typical Application  
Output Voltage vs Temperature  
DS100908-2  
VO (−3.88x10−6xT2) + (−1.15x10−2xT) + 1.8639  
=
or  
where:  
T is temperature, and V is the measured output voltage of the LM20.  
O
DS100908-24  
Full-Range Celsius (Centigrade) Temperature Sensor (−55˚C to +130˚C)  
Operating from a Single Li-Ion Battery Cell  
© 1999 National Semiconductor Corporation  
DS100908  
www.national.com  

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