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Application Note
www.vishay.com
Vishay Semiconductors
VCNL4000, VCNL4010, and VCNL4020 Demo Kit
Screen shot 6 shows the Setup page where the Interrupt
Control variables are set or defined:
? Upper threshold value
? Lower threshold value
? Number of measurements above or below a threshold
needed to generate an interrupt
? Enable interrupt threshold function
? Threshold applies to proximity or ambient light.
To avoid reacting to momentary object proximity, some
applications will want to wait until several measurements are
taken indicating an object is present or has been removed
before generating an interrupt. The “Threshold hits needed”
value is set to 4 in screen shot 6. The upper threshold is set
to 5500 counts as discussed above. There is no lower
threshold. The interrupt is enabled as indicated by the green
arrow on the toggle button. Finally, the interrupt is for
proximity because the green arrow is not illuminated. If it
were for ambient light, the green arrow would be illuminated.
Note that by clicking on the “show in graph” button under
each threshold value, the user will graphically be shown the
threshold value in relation to the offset and current readings.
Screen Shot 6
Revision: 12-Mar-12
9
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
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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