LM35D

更新时间： 2024-09-29 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
13页	303K
描述
Precision Centigrade Temperature Sensors

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LM35D 数据手册

July 1999

LM35

Precision Centigrade Temperature Sensors

hermetic TO-46 transistor packages, while the LM35C,

LM35CA, and LM35D are also available in the plastic TO-92

transistor package. The LM35D is also available in an 8-lead

surface mount small outline package and a plastic TO-220

package.

General Description

The LM35 series are precision integrated-circuit temperature

sensors, whose output voltage is linearly proportional to the

Celsius (Centigrade) temperature. The LM35 thus has an

advantage over linear temperature sensors calibrated in

˚ Kelvin, as the user is not required to subtract a large con-

stant voltage from its output to obtain convenient Centigrade

Features

n Calibrated directly in ˚ Celsius (Centigrade)

n Linear + 10.0 mV/˚C scale factor

n 0.5˚C accuracy guaranteeable (at +25˚C)

n Rated for full −55˚ to +150˚C range

n Suitable for remote applications

n Low cost due to wafer-level trimming

n Operates from 4 to 30 volts

scaling. The LM35 does not require any external calibration

or trimming to provide typical accuracies of

⁄

˚C at room

temperature and

⁄ ˚C over a full −55 to +150˚C tempera-

ture range. Low cost is assured by trimming and calibration

at the wafer level. The LM35’s low output impedance, linear

output, and precise inherent calibration make interfacing to

readout or control circuitry especially easy. It can be used

with single power supplies, or with plus and minus supplies.

As it draws only 60 µA from its supply, it has very low

self-heating, less than 0.1˚C in still air. The LM35 is rated to

operate over a −55˚ to +150˚C temperature range, while the

LM35C is rated for a −40˚ to +110˚C range (−10˚ with im-

proved accuracy). The LM35 series is available packaged in

n Less than 60 µA current drain

n Low self-heating, 0.08˚C in still air

n Nonlinearity only

⁄4˚C typical

n Low impedance output, 0.1 Ω for 1 mA load

Typical Applications

DS005516-4

DS005516-3

Choose R

−V /50 µA

+1,500 mV at +150˚C

OUT

FIGURE 1. Basic Centigrade Temperature Sensor

(+2˚C to +150˚C)

+250 mV at +25˚C

−550 mV at −55˚C

FIGURE 2. Full-Range Centigrade Temperature Sensor

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

DS005516

www.national.com

12 3 4 5 6 7...13

中文翻译

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与LM35D相关器件

型号	品牌	获取价格	描述	数据表
LM35DH	NSC	获取价格	Precision Centigrade Temperature Sensors
LM35DH	TI	获取价格	LM35 Precision Centigrade Temperature Sensors
LM35DH/A+	ETC	获取价格	Temperature Transducer/Sensor
LM35DH/NOPB	TI	获取价格	LM35 Precision Centigrade Temperature Sensors
LM35DM	TI	获取价格	LM35 Precision Centigrade Temperature Sensors
LM35DM	NSC	获取价格	Precision Centigrade Temperature Sensors
LM35DM/NOPB	TI	获取价格	LM35 Precision Centigrade Temperature Sensors
LM35DMX	NSC	获取价格	Analog Temperature Sensor, ANALOG TEMP SENSOR-VOLTAGE, -.55-1.5V, RECTANGULAR, SURFACE MOU
LM35DMX	TI	获取价格	LM35 Precision Centigrade Temperature Sensors
LM35DMX/NOPB	TI	获取价格	LM35 Precision Centigrade Temperature Sensors

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