APDS-9930

Description

  The APDS-9930 provides digital ambient light sensing (ALS), IR LED and a complete proximity 
detection system in a single 8 pin package. The proximity function offers plug and play detectionto 100 mm (without front glass) thus eliminating the need for factory calibration of the end 
equipment or sub-assembly. The proximity detection feature operates well from bright sunlight to dark rooms. The wide dynamic range also allows for operation in short distance detection behind 
dark glass such as a cell phone. In addition, an internal state machine provides the ability to 
put the device into a low power mode in between ALS and proximity measurements providing very low
average power consumption. The ALS provides a photopic response to light intensity in very low 
light condition or behind a dark faceplate.

  The APDS-9930 is particularly useful for display man-agement with the purpose of extending 
battery life and providing optimum viewing in diverse lighting conditions. Display panel and 
keyboard backlighting can account for up to 30 to 40 percent of total platform power. The ALS 
features are ideal for use in notebook PCs, LCD monitors, flat-panel televisions, and cell phones

  The proximity function is targeted specifically towards near field proximity applications. In 
cell phones, the proximity detection can detect when the user positions the phone close to their ear. The device is fast enough to provide proximity information at a high repetition rate needed when answering a phone call. This provides both improved “green” power saving capability and 
the added security to lock the computer when the user is not present. The addition of the micro-optics lenses within the module, provide highly efficient transmission and reception of infrared 
energy which lowers overall power dissipation

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