LM35DH National Semiconductor, LM35DH Datasheet

LM35DH

Manufacturer Part Number

LM35DH

Description

IC, TEMP SENSOR, ± 0.5°C, TO-46-3

Manufacturer

National Semiconductor

Datasheets

1.LM35DH.pdf (13 pages)

2.LM35DH.pdf (13 pages)

3.LM35DH.pdf (13 pages)

Specifications of LM35DH

Ic Output Type

Voltage

Supply Current

56.2ÂµA

Supply Voltage Range

4V To 30V

Sensor Case Style

TO-46

No. Of Pins

Operating Temperature Range

0Â°C To +100Â°C

Package / Case

3-TO-46

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM35DH

Manufacturer:

NSC

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM35DH

Manufacturer:

Quantity:

652

Company:

Meier Automation Equipment Co., Limited

Part Number:

LM35DH

Manufacturer:

NS/国半

Quantity:

20 000

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LM35

Precision Centigrade Temperature Sensors

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

constant voltage from its output to obtain convenient Centi-

grade scaling. The LM35 does not require any external

calibration or trimming to provide typical accuracies of

at room temperature and

temperature range. Low cost is assured by trimming and

calibration at the wafer level. The LM35’s low output imped-

ance, 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 improved accuracy). The LM35 series is available pack-

Typical Applications

FIGURE 1. Basic Centigrade Temperature Sensor

(+2˚C to +150˚C)

⁄

˚C over a full −55 to +150˚C

DS005516-3

DS005516

⁄

˚C

aged in 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 avail-

able in an 8-lead surface mount small outline package and a

plastic TO-220 package.

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

n Less than 60 µA current drain

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

n Nonlinearity only

n Low impedance output, 0.1

FIGURE 2. Full-Range Centigrade Temperature Sensor

Choose R

OUT

=+1,500 mV at +150˚C

= +250 mV at +25˚C

= −550 mV at −55˚C

= −V

⁄

˚C typical

/50 µA

DS005516-4

for 1 mA load

November 2000

www.national.com

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