VCNL4000 DEMO KIT【PDF 1/16 页】USB SENSOR KIT FOR VCNL4000

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VISHAY SEMICONDUCTORS

www.vishay.com

Optoelectronics

Application Note

VCNL4000, VCNL4010, and VCNL4020 Demo Kit

INTRODUCTION

The VCNL40x0 sensors are fully integrated proximity and

ambient light sensors. They combine an infrared emitter and

PIN photodiode for proximity measurement, ambient light

sensor, and signal processing IC in a single package with a

16 bit ADC. The devices provide ambient light sensing to

support conventional backlight and display brightness

Ambient Light S en s or

Proximity S en s or

auto-adjustment, and proximity sensing to minimize

accidental touch input that can lead to call drops and

camera launch for smart phones. With a range of up to

20 cm (7.9"), these stand-alone, single components greatly

simplify the use and design-in of a proximity sensor in

consumer and industrial applications because no

mechanical barriers are required to optically isolate the

emitter from the detector. The sensors feature a miniature

leadless package (LLP) for surface mounting with a low

profile of 0.75 mm for VCNL4000 and VCNL4010 and

0.83mm for VCNL4020 and VCNL3020. Through the

standard I 2 C bus serial digital interface, they allow easy

access to a “Proximity Signal” and “Light Intensity”

measurement without complex calculations or

programming. All versions besides the VCNL4000 offer a

programmable interrupt function which may be used as a

wake-up function for the microcontroller when a proximity

event or ambient light change occurs; reducing processing

overhead by eliminating the need for continuous polling.

For complete details on the VCNL40x0 please read

“Designing VCNL40x0 into an Application”

www.vishay.com/doc?84138 for VCNL4010

www.vishay.com/doc?84136 for VCNL4020

www.vishay.com/doc?84139 for VCNL3020.

Infrared

Infrared Emitter

22639

VCNL4020

VCNL3020

ESD WARNING

The VCNL40x0 are sensitive to electrostatic discharge.

Please take necessary precautions when handling the

sensor and kit. For further information please read Assembly

Instructions and Packaging and Ordering .

Emitter

Proximity

S en s or

The VCNL4000 Demo Kit comes with a mini-CD

containing the USB driver and software, a USB dongle

and the VCNL4000 sensor board. This kit can be

Ambient

Light

S en s or

22296-1

VCNL3020 is a ‘Proximity-only’ device without ambient light

sensor. It has the same package size as the VCNL4020.

purchased from any of our catalog distributors. It serves

as the base for the VCNL4010, VCNL4020, and

VCNL3020 demo kits. For these sensors, please contact

sensorstechsupport@vishay.com and we will send you

the sensor board of your choice absolutely free.

Software upgrades are available on our website at

www.vishay.com/optoelectronics/moreinfo/vcnldemokit .

Revision: 12-Mar-12

Document Number: 83395

For technical questions, contact: sensorstechsupport@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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