LX1971IDU Microsemi Analog Mixed Signal Group, LX1971IDU Datasheet

IC SENSOR LIGHT VISIBLE 8MSOP

LX1971IDU

Manufacturer Part Number
LX1971IDU
Description
IC SENSOR LIGHT VISIBLE 8MSOP
Manufacturer
Microsemi Analog Mixed Signal Group
Datasheet

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 Bonase Electronics (HK) Co., Limited
Part Number:
LX1971IDU TR
Manufacturer:
AD
Quantity:
311
Price:
Copyright © 2003
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
to
spectral
Microsemi’s
V
LX1971
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
of
DD
response
shades,
D E S C R I P T I O N
LX1970
4.7uF
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.
T
25K
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
A
SNK
(°C)
PACKAGE ORDER INFO
Integrated Products
GND
Microsemi
V
V
OUT
DD
DU
http://www.microsemi.com
SNK
SRC
RoHS Compliant / Pb-free
Plastic MSOP
8-Pin
LX1971IDU
Wide Range Visible Light Sensor
Ambient
P
RODUCTION
Light
D
• 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
S
HEET
0.60V Typ
0.45V Typ
B E N I F I T S
LX1971
Page 1

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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 & ...

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

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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 ...

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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 ...

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120 100 0.1 ...

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8-Pin Miniature Shrink Outline Package (MSOP) D Top View Side Views Recommended light footprint pattern Copyright © 2003 Rev. 1.1b,2005-08-10 ...

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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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