Vishay has introduced a new high-sensitivity proximity and ambient light sensor with long-distance proximity detection up to 1 m. Featuring Filtron technology in a compact 8 x 3 x 1,8 mm surface-mount package, the VCNL4100 combines a high-power IR emitter, photo detectors for proximity and ambient light, a signal processing IC, and an 8-bit/16-bit ADC. The three-in-one sensor features an interrupt function and supports I²C bus communication interface for smart home, industrial and office applications.
The ambient light and proximity sensors of the VCNL4100 operate in a parallel structure, and each offers a programmable interrupt function with high and low thresholds that allow the sensor to wake up an application from a low-power mode, reducing the overall power consumption of an application. The device’s Filtron technology enables ambient light spectral sensitivity close to that of the human eye while offering excellent background light cancellation capabilities.
The VCNL4100’s built-in ambient light photo diode offers detection from 0,01 lx to 5,2 klx, allowing the device to operate in applications with dark or high-transparency lens designs.
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