Digital Proximity And Ambient Light Sensor For Arduino APDS 9930

Description 

APDS-9930 is a digital I2C compatible interface ambient light sensor (ALS) and proximity sensor with IR LED in a single 8-pin package. The ambient light sensor utilizes dual photodiodes to approximate the human eye response with a low lux performance at 0.01 lux. This high sensitivity allows for the device to operate behind a darkened glass. The proximity sensor is fully calibrated to detection of objects 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 addition of the micro-optics lenses within the module, provide highly efficient transmission and reception of infrared energy which lowers overall power dissipation. 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 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.

Features

• Optical modules integrated with ALS, infrared LEDs and proximity detectors
• Ambient Light Sensing (ALS)
  - Approximate human visual response
  - Programmable interrupt capability with upper and lower thresholds
  - Up to 16-bit resolution
  - High sensitivity operation behind dark glass
  - 0.01lux low lumen performance
• Proximity detection
  - Fully calibrated to 100 mm detection
  - Integrated infrared LED and synchronous LED driver
  - Eliminates factory calibration of the proximity sensor
• Programmable wait timer
  - Wait state power consumption - 90μA typical
  - Programmable range from 2.7 ms to more than 8 seconds
• I2C interface compatible
  - Up to 400kHz (I2C fast mode)
  - Dedicated interrupt pin
• Sleep Mode Power - 2.2μA typical
• Small package 3.94 (L) x 2.36 (W) x 1.35 (H) mm

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