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Application Note
www.vishay.com
Vishay Semiconductors
VCNL4000, VCNL4010, and VCNL4020 Demo Kit
VCNL4000 Development Software
After installing the software, run the following command:
USB_Sensor_Kit_VCNL4000.exe or double click on the
application software in the VCNL4000 Demo Kit folder.
When executing the program, the Proximity Function screen
is displayed. There are four tabbed files: Proximity Function,
Ambient Light Function, Register Values, and Information
VCNL4010 Sensor Board
VCNL4020 Sensor Board
KIT COMPONENTS
There are three main components to the kit:
1. The blue sensor board on which is soldered the
VCNL40x0, a decoupling capacitor, and the 2 x 8 pin
connector
2. The USB dongle which takes care of delivering the
needed I 2 C-Bus and supplies “clean” power to the
sensor board
3. The development software found on the CD.
The sensor board can be plugged into the USB dongle in the
up or down orientation. An indicator light will be illuminated
when the sensor board is receiving power and connected to
the development software. The CD also contains a Quick
Start guide ( www.vishay.com/doc?83396 ) menu and a
software licensing agreement. Note that the licensing
agreement must be saved in the C-drive root directory
before the software will run:
Vishay License in C:/Directory
VCNL4000
PROXIMITY FUNCTION
Proximity Mode
- select a single measurement or periodic measurement.
The periodic measurement rates are set in the
Measurement Speed window. The default setting is
“single measurement (on demand)”. Selecting periodic
measurement sets the ‘prox_od’ bit3 of the command
register #0 (80h) to “1”. Compensation offset and IIR
filtering is only available with periodic measurements.
Screen shot 1.
Measurement Parameter
- sets the infrared emitter current. The infrared emitter
current determines the effective range of the sensor;
higher current will translate to longer sensing range. This
feature can also be used to determine the impact of the
cover or window on the sensing range. To compensate for
the infrared light absorbed by the window, the current can
be increased. The current can be set by either toggling up
or down or by left clicking in the window and a current
select bar will pop-up. The default setting is 100 mA.
Measurement Speed
- sets the delay time between two consecutive
measurements when in periodic measurement mode. A
delay time of “100” leads to about 10 measurements/s
Choosing “1” leads to more than 200 measurements/s
which is the fastest rate for this demo tool.
Clear Display
Clears the upper and lower window graphs and resets the
‘Data#’ to zero. The Proximity Value field near the bottom of
the screen is not cleared. This field will be updated with the
next measurement.
Proximity Value
Changes the unit of measure for the proximity value.
Click on the small blue letter on its left side. This letter
indicates the selected format: b = binary, d = decimal,
x = hexadecimal, o = octal and p stands for SI notation
Infinite Impulse Response (IIR) Filter
This low pass filter is activated with the ‘active’ button and
shows an average of the measurement results. The average
value can be changed from one to twenty by clicking on the
toggle arrow where 1 corresponds to no averaging and
20 to strong averaging. When active the button will be red.
Revision: 12-Mar-12
2
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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相关代理商/技术参数
VCNL4000DEMOKIT 功能描述:近程传感器 Proximity Sensor Demo Kit RoHS:否 制造商:Vishay Semiconductors 感应方式:Optical 感应距离:1 mm to 200 mm 电源电压:2.5 V to 3.6 V 安装风格:SMD/SMT 输出配置:Digital 最大工作温度:+ 85 C 最小工作温度:- 25 C 系列:VCNL3020
VCNL4000-GS08 功能描述:近程传感器 Proximity/ALS sensor RoHS:否 制造商:Vishay Semiconductors 感应方式:Optical 感应距离:1 mm to 200 mm 电源电压:2.5 V to 3.6 V 安装风格:SMD/SMT 输出配置:Digital 最大工作温度:+ 85 C 最小工作温度:- 25 C 系列:VCNL3020
VCNL4000-GS18 制造商:Vishay Angstrohm 功能描述:Proximity Sensor 20cm 2.5V to 3.6V 12-Pin LLP EP T/R 制造商:Vishay Semiconductors 功能描述:SHORT DISTANCE PROXIMITY & ALS I?C E-4 - Tape and Reel
VCNL4010 制造商:Vishay 功能描述:a fully integrated proximity and ambientlight sensor.
VCNL4010-GS08 功能描述:近程传感器 Proximity/ALS sensor RoHS:否 制造商:Vishay Semiconductors 感应方式:Optical 感应距离:1 mm to 200 mm 电源电压:2.5 V to 3.6 V 安装风格:SMD/SMT 输出配置:Digital 最大工作温度:+ 85 C 最小工作温度:- 25 C 系列:VCNL3020
VCNL4010-GS18 制造商:Vishay Angstrohm 功能描述:Light to CurrentAmbient Light Sensor 13-Pin SMD Tape and Reel 制造商:Vishay Angstrohm 功能描述:AMBIENT LIGHT SENSOR 制造商:Vishay Semiconductors 功能描述:SHORT DIST PROXI & ALS INCL.INT.I? C E-4 - Tape and Reel
VCNL4020 制造商:Vishay Intertechnologies 功能描述:VCNL4020 Proximity&Light Sensor Board
VCNL4020-GS08 功能描述:近程传感器 Proximity/ALS sensor RoHS:否 制造商:Vishay Semiconductors 感应方式:Optical 感应距离:1 mm to 200 mm 电源电压:2.5 V to 3.6 V 安装风格:SMD/SMT 输出配置:Digital 最大工作温度:+ 85 C 最小工作温度:- 25 C 系列:VCNL3020