LX1971IDU Microsemi Analog Mixed Signal Group, LX1971IDU Datasheet

LX1971IDU

Manufacturer Part Number

LX1971IDU

Description

IC SENSOR LIGHT VISIBLE 8MSOP

Manufacturer

Microsemi Analog Mixed Signal Group

Datasheet

1.LX1971IDU.pdf (9 pages)

Specifications of LX1971IDU

Wavelength

520nm

Output Type

Current

Package / Case

8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

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:

LX1971IDU TR

Manufacturer:

Quantity:

311

Current page: 1 of 9
Download datasheet (335Kb)

Rev. 1.1b,2005-08-10

sensor

emulates the human eye; it is pin to pin

compatible

visible light sensor however with a wider

dynamic range.

ambient light for the control of artificial

lighting,

signage and display, street lighting,

automotive light sensors and control of

backlight dimming. It has a unique photo

diode arrangement (patents pending) with

a peak response at 520nm while sharply

attenuating both ultra violet and infrared

wavelengths.

with an accurate and very repeatable

current output.

IMPORTANT: For the most current data, consult MICROSEMI’s website:

Protected By U.S. Patents: 6,787,757; Patents Pending

The LX1971 is a new technology light

This device is ideal for monitoring

The photo sensor is a PIN diode array

with

operation

I N T E G R A T E D

spectral

Microsemi’s

LX1971

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

response

shades,

D E S C R I P T I O N

LX1970

4.7uF

P R O D U C T S

LED

that

Note: Available in Tape & Reel. Append the letters “TR” to the

-40 to 85

integrated high gain amplifier then the

square root is taken of the product of the

amplifier and an internal reference current.

Finally this is further multiplied converted

to current and made available at two

output pins; one a current source and the

other a current sink.

to voltage by adding a single resistor at

either or both outputs. Voltage gain is

determined by the resistor value typically

in the 5KΩ to 50KΩ range.

and square root transfer function, design

complexity and cost are greatly reduced.

pin MSOP package.

25K

P R O D U C T H I G H L I G H T

part number. (i.e. LX1971IDU-TR)

Photo current is first multiplied by an

These currents can easily be converted

With accurate internal gain amplifiers

The LX1971 is available in the Clear 8-

SRC

SNK

(°C)

PACKAGE ORDER INFO

Integrated Products

GND

Microsemi

OUT

http://www.microsemi.com

SNK

SRC

RoHS Compliant / Pb-free

Plastic MSOP

8-Pin

LX1971IDU

Wide Range Visible Light Sensor

Ambient

RODUCTION

Light

• Requires no wavelength

• Insensitive to UV and IR

• More than 4 decades usable

• Enables accurate lighting

ATA

Approximate Human Eye

Spectral Response

Low IR Sensitivity

Highly Accurate &

Repeatable Output Current

vs. Light

Square root transfer function

Temperature Stable

Integrated High Gain Photo

Current Amplifiers

Complementary Current

Outputs

No Optical Filters Needed

filters

light range

control systems

K E Y F E A T U R E S

HEET

0.60V Typ

0.45V Typ

B E N I F I T S

LX1971

Page 1

Related parts for LX1971IDU

LX1971IDU Summary of contents

Page 1

... GND PACKAGE ORDER INFO Plastic MSOP DU T (°C) 8-Pin A RoHS Compliant / Pb-free - LX1971IDU Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX1971IDU-TR) Microsemi Integrated Products LX1971 RODUCTION ATA HEET Approximate Human Eye Spectral Response Low IR Sensitivity Highly Accurate & ...

Page 2

................................................................................................................. -0 SNK/SRC ...

Page 3

...

Page 4

The LX1971 is a light sensor with a spectral response that resembles the human visual system packaged in clear MSOP package with the same pin out and same ...

Page 5

The following examples present both fully automatic (no user input) and semi-automatic, to fully manual override implementations. These general guidelines are applicable to a wide variety of potential light control ...

Page 6

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120 100 0.1 ...

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Page 9

PRODUCTION DATA – Information contained in this document is proprietary to Microsemi and is current as of publication date. This document may not be modified in any way without the ...

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