LM335

更新时间： 2024-11-08 22:51:55

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
14页	294K
描述
Precision Temperature Sensors

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数据手册

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LM335 数据手册

November 2000

LM135/LM235/LM335, LM135A/LM235A/LM335A

Precision Temperature Sensors

temperature range. The LM335 operates from −40˚C to

+100˚C. The LM135/LM235/LM335 are available packaged

in hermetic TO-46 transistor packages while the LM335 is

also available in plastic TO-92 packages.

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.

Features

n Directly calibrated in ˚Kelvin

n 1˚C initial accuracy available

n Operates from 400 µA to 5 mA

n Less than 1Ω dynamic impedance

n Easily calibrated

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 interfac-

ing to readout or control circuitry especially easy.

n Wide operating temperature range

n 200˚C overrange

n Low cost

The LM135 operates over a −55˚C to +150˚C temperature

range while the LM235 operates over a −40˚C to +125˚C

Schematic Diagram

DS005698-1

DS005698

www.national.com

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