Vishay - Fully Integrated Proximity and Ambient Light Sensor
【产品特性】• Package type: surface mount
• Dimensions (L x W x H in mm): 4.90 x 2.40 x 0.83
• Interrupt function
• Supply voltage range VDD: 2.5 V to 3.6 V
• Supply voltage range IR anode: 2.5 V to 5 V
• Communication via I2C interface
• I2C bus H-level range: 1.7 V to 5 V
• Floor life: 72 h, MSL 4, acc. J-STD-020
【产品应用】• Proximity sensor for mobile devices (e.g. smart phones,touch phones, PDA, GPS) for touch screen locking,
power saving, etc.
• Integrated ambient light function for display/keypad
contrast control and dimming of mobile devices
• Proximity / optical switch for consumer, computing and
industrial devices and displays
• Dimming control for consumer, computing and industrial displays
【文字介绍】VCNL4020X01 allows it to be assembled on the main PCB near other components, ensures excellent cross talk immunity, and is especially important given that windows above the sensor absorb typically 90 % of the infrared emission.
While other products only achieve object detection up to 100 mm, the VCNL4020X01 provides a programmable LED drive current from 10 mA to 200 mA in 10 mA steps, allowing distances up to 200 mm. To increase the range of the proximity sensor, the VCNL4020X01 also includes an integrated external emitter driver. The device offers excellent ambient light suppression by modulating the infrared signal. The emitter wavelength peaks at 890nm and has no visible “red-tail,” unlike many devices from other manufacturers.
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