the apds-9933 provides digital ambient light sensing (als), ir led and a complete proximity detection system in a single 8 pin package. theproximity 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. inaddition, 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 alsprovides a photopic response to light intensity in very low light condition or behind a dark faceplate.
the apds-9933 is particularly useful for display man-agement with the purpose of extending battery life and providing optimum viewing indiverse 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 detectwhen 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 bothimproved “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 efficienttransmission and reception of infrared energy which lowers overall power dissipation.
ordering information
part number
packaging
quantity
apds-9933
tape & reel
2500 per reel
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