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LM335Z 参数 Datasheet PDF下载

LM335Z图片预览
型号: LM335Z
PDF下载: 下载PDF文件 查看货源
内容描述: 高精度温度传感器 [Precision Temperature Sensors]
分类和应用: 传感器换能器温度传感器输出元件PC
文件页数/大小: 16 页 / 852 K
品牌: NSC [ NATIONAL SEMICONDUCTOR ]
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LM135/LM235/LM335, LM135A/LM235A/LM335A Precision Temperature Sensors
December 17, 2008
LM135/LM235/LM335, LM135A/LM235A/LM335A
Precision Temperature Sensors
General Description
The LM135 series are precision, easily-calibrated, integrated
circuit temperature sensors. Operating as a 2-terminal zener,
the LM135 has a breakdown voltage directly proportional to
absolute temperature at +10 mV/°K. With less than 1Ω dy-
namic impedance the device operates over a current range
of 400
μA
to 5 mA with virtually no change in performance.
When calibrated at 25°C the LM135 has typically less than 1°
C error over a 100°C temperature range. Unlike other sensors
the LM135 has a linear output.
Applications for the LM135 include almost any type of tem-
perature sensing over a −55°C to 150°C temperature range.
The low impedance and linear output make interfacing to
readout or control circuitry especially easy.
The LM135 operates over a −55°C to 150°C temperature
range while the LM235 operates over a −40°C to 125°C tem-
perature range. The LM335 operates from −40°C to 100°C.
The LM135/LM235/LM335 are available packaged in hermet-
ic TO-46 transistor packages while the LM335 is also avail-
able in plastic TO-92 packages.
Features
Directly calibrated in °Kelvin
1°C initial accuracy available
Operates from 400
μA
to 5 mA
Less than 1Ω dynamic impedance
Easily calibrated
Wide operating temperature range
200°C overrange
Low cost
Schematic Diagram
569801
© 2008 National Semiconductor Corporation
5698
www.national.com