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LM19CIZ PDF预览

LM19CIZ

更新时间: 2024-11-22 22:25:47
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 172K
描述
2.4V, 10uA, TO-92 Temperature Sensor

LM19CIZ 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:PLASTIC, TO-92, 3 PINReach Compliance Code:not_compliant
风险等级:5.22最大精度(摄氏度):3.8 Cel
主体宽度:3.87 mm主体高度:5.05 mm
主体长度或直径:4.95 mm外壳:PLASTIC
JESD-609代码:e0线性度(Cel):0.4 Cel
安装特点:THROUGH HOLE MOUNT端子数量:3
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最大输出电压:1.86 V
封装主体材料:PLASTIC/EPOXY封装等效代码:SIP3,.1,50
封装形状/形式:RECTANGULAR电源:2.5/5 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:NO技术:CMOS
温度系数:NEGATIVE ppm/ °C端子面层:Tin/Lead (Sn/Pb)
端接类型:SOLDERBase Number Matches:1

LM19CIZ 数据手册

 浏览型号LM19CIZ的Datasheet PDF文件第2页浏览型号LM19CIZ的Datasheet PDF文件第3页浏览型号LM19CIZ的Datasheet PDF文件第4页浏览型号LM19CIZ的Datasheet PDF文件第5页浏览型号LM19CIZ的Datasheet PDF文件第6页浏览型号LM19CIZ的Datasheet PDF文件第7页 
January 2003  
LM19  
2.4V, 10µA, TO-92 Temperature Sensor  
n Battery Management  
n FAX Machines  
The LM19 is a precision analog output CMOS integrated-  
n Printers  
General Description  
circuit temperature sensor that operates over a −55˚C to  
+130˚C temperature range. The power supply operating  
n HVAC  
n Disk Drives  
n Appliances  
range is +2.4 V to +5.5 V. The transfer function of LM19 is  
predominately linear, yet has a slight predictable parabolic  
curvature. The accuracy of the LM19 when specified to a  
parabolic transfer function is 2.5˚C at an ambient tempera-  
ture of +30˚C. The temperature error increases linearly and  
reaches a maximum of 3.8˚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 −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.  
Features  
n Rated for full −55˚C to +130˚C range  
n Available in a TO-92 package  
n Predictable curvature error  
n Suitable for remote applications  
Key Specifications  
j
j
j
j
j
j
j
Accuracy at +30˚C  
Accuracy at +130˚C & −55˚C  
Power Supply Voltage Range  
Current Drain  
2.5 ˚C (max)  
3.5 to 3.8 ˚C (max)  
+2.4V to +5.5V  
10 µA (max)  
The LM19’s quiescent current is less than 10 µA. Therefore,  
self-heating is less than 0.02˚C in still air. Shutdown capa-  
bility for the LM19 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.  
Nonlinearity  
0.4 % (typ)  
Output Impedance  
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  
20004002  
VO = (−3.88x10−6xT2) + (−1.15x10−2xT) + 1.8639  
or  
20004024  
where:  
T is temperature, and V is the measured output voltage of the LM19.  
O
FIGURE 1. Full-Range Celsius (Centigrade) Temperature Sensor (−55˚C to +130˚C)  
Operating from a Single Li-Ion Battery Cell  
© 2003 National Semiconductor Corporation  
DS200040  
www.national.com  

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