Vishay – VCNL4200: High Sensitivity Long Distance Proximity and Ambient Light Sensor with I2C Interface

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VCNL4200 integrates a high sensitivity long distance proximity sensor (PS), ambient light sensor (ALS), and 940nm IRED into one small package. It incorporates photodiodes, amplifiers, and analog to digital converting circuits into a single chip using a CMOS process. The 16-bit high resolution ALS offers excellent sensing capabilities with sufficient selections to fulfill most applications whether a dark or high transparency lens design. For the 12-bit/16-bit proximity sensing function, VCNL4200 has a built-in intelligent cancellation scheme that eliminates background light issues.

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