Broadcom APDS-9922/APDS-9160 Sensors
Broadcom APDS-9922/APDS-9160 Ambient Light and Proximity Sensors provide a digital I2C compatible interface ambient light sensor (ALS) and proximity sensor with IR LED in a single 8-pin package. The ALS allows a photopic response to light intensity in low light conditions or behind a dark faceplate. The device approximates the response of the human eye providing direct readout where the output count is proportional to the ambient light level. The APDS-9922/APDS-9160 Sensors feature a low light functionality, enabling operation behind darkened glass. The proximity detection feature operates well from bright sunlight to dark rooms. The micro-optics lenses within the module, allow a highly efficient transmission and reception of infrared energy which lowers overall power dissipation. The device utilizes the low-power standby mode resulting in a very low average power consumption.
Features
ALS, IR LED and Proximity Detector in an Optical ModuleAmbient Light Sensing (ALS)Light output proportional to light intensityUses optical coating technology to emulate the human eye spectral responseWorks well under different light source conditionsLow light sensitivity -- operates behind darkened glassUp to 20-bit resolutionProximity DetectionIntegrated IR LED and synchronous LED driverUp to 11-bit resolution
Applications
Cellphone backlight dimmingCellphone touch-screen disable
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