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Proximity Sensor - APDS-9930

by OEM
The APDS-9930 provides digital ambient light sensing, IR LED and a complete proximity detection system in a single 8 pin package. The proximity function...
39-00013276
Company: OEM
Made in: China
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2.40
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DESCRIPTION

The APDS-9930 provides digital ambient light sensing, IR LED and a complete proximity detection system in a single 8 pin package. The proximity function offers plug and play detection to 100 mm 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 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.

SPECIFICATIONS

Breadboard Friendly :
Yes
Sensor Type:
  • Gesture
  • Luminosity
  • Proximity
Typical Input Voltage:
  • 3.3VDC
  • 5VDC
Oparating Current:
2.2mA
Interface:
  • Digital
Communication Protocol:
  • I2C

SPECIFICATIONS

  • ALS, IR LED and Proximity Detector in an Optical Module
  • Ambient Light Sensing (ALS)
  • Approximates Human Eye Response
  • Programmable Interrupt Function with Upper and Lower Threshold
  • Up to 16-Bit Resolution
  • High Sensitivity Operates Behind Darkened Glass
  • Low Lux Performance at 0.01 lux
  • Proximity Detection
  • Fully Calibrated to 100 mm Detection
  • Integrated IR LED and Synchronous LED Driver
  • Eliminates - Factory Calibration of Prox
  • Programmable Wait Timer
  • Wait State Power - 90mA Typical
  • Programmable from 2.7 ms to > 8 sec
  • I2C Interface Compatible
  • Up to 400 kHz (I2C Fast-Mode)
  • Dedicated Interrupt Pin
  • Sleep Mode Power - 2.2mA Typical

 

Applications:

  • Cell Phone Backlight Dimming
  • Cell Phone Touch-screen Disable
  • Notebook/Monitor Security
  • Automatic Speakerphone Enable
  • Automatic Menu Pop-up
  • Digital Camera Eye Sensor

Connection and Layout

Pin Label Description
VL Optional power to the IR LED. Must be 3.0 – 4.5V
GND  ground.
VCC Must be 2.4 – 3.6V
SDA I2C data
SCL I2C clock
INT

External interrupt pin.

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