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componentes Descripción

Fabricante

LM335A

PRECISION TEMPERATURE SENSORS

STMicroelectronics 

LM135

LM235-LM335,A

PRECISION TEMPERATURE SENSORS

.... DIRECTLY CALIBRATED IN oK

1oC INITIAL ACCURACY

OPERATES FROM 450µA TO 5mA

LESS THAN 1Ω DYNAMIC IMPEDANCE

Z

TO92

(Plastic Package

DE SC RI P TI O N

The LM135, LM235, LM335 are precision tempera-

ture sensors which can be easily calibrated. They

operate as a 2-terminal Zener and the breakdown

voltage is directly proportional to the absolute tem-

perature at 10mV/oK. The circuit has a dynamic im-

pedance of less than 1Ω and operates within a

range of current from 450µA to 5mA without altera-

tion of its characteristics. Calibrated at +25oC, the

LM135, LM235, LM335 have a typical error of less

than 1oC over a 100oC temperature range. Unlike

other sensors, the LM135, LM235, LM335 have a

linear output.

D

SO8

(Plastic Micropackage)

ORDER CODES

Part num-

ber

LM135

LM235

LM335,A

Temperature

Range

–55oC, +150oC

–40oC, +125oC

–40oC, +100oC

PIN CONNECTIONS

TO92

(Bottom view)

ADJ V+

V-

SO8

(Top view)

V+ NC NC ADJ

8

7

6

5

Package

ZD

••

••

••

October 1997

1

NC

2

NC

3

NC

4

V

-

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