Optical Sensor Ambient VCNL40351X01-GS18

VCNL4035X01 integrates a proximity sensor (PS),ambient light sensor (ALS), a muxx, and a driver for upto 3 external IREDs / LEDs into one small package. Itincorporates photodiodes, amplifiers, and analog to digitalconverting circuits into a single chip by CMOS process. The16-bit high resolution ALS offers excellent sensingcapabilities with sufficient selections to fulfill mostapplications whether dark or high transparency lens design.Both ALS and PS programmable interrupt features ofindividual high and low thresholds offers the best utilizationof resource and power saving on the microcontroller.The proximity sensor features an intelligent cancellationscheme, so that cross talk phenomenon is eliminatedeffectively. To accelerate the PS response time, smartpersistence prevents the misjudgment of proximity sensingbut also keeps a fast response time. Active force mode, onetime trigger by one instruction, is another good approach formore design flexibility to fulfill different kinds of applicationswith more power saving.The adoption of patented FiltronTM technology achieves theclosest ambient light spectral sensitivity to real human eyeresponses and offers the best background light cancellationcapability (including sunlight) without utilizing themicrocontrollers' resources. VCNL4035X01 provides anexcellent temperature compensation capability for keepingoutput stable under various temperature configurations.ALS and PS functions are easily operated via the simplecommand format of I2C (SMBus compatible) interfaceprotocol. Operating voltage ranges from 2.5 V to 3.6 V.VCNL4035X01 is packaged in a lead-free 8-pin QFNpackage, which offers the best market-proven reliabilityquality.

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