Digital Ambient Light Photo Sensor with I2C output

The APDS-9300 is a low-voltage Digital Ambient Light Photo Sensor that converts light intensity to digital signal output capable of direct I2C interface. Each device consists of one broadband photodiode (visible plus infrared) and one infrared photodiode. Two integrating ADCs convert the photodiode currents to a digital output that represents the irradiance measured on each  channel. This digital output can be input to a microprocessor where illuminance (ambient light level) in lux is derived using an empirical formula to approximate the human-eye response.


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Features [+-]

  • Approximate the human-eye response
  • Precise Illuminance measurement under diverse lighting conditions
  • Wide illuminance range measurement
  • Programmable Interrupt Function with User-
    Defined Upper and Lower Threshold Settings
  • 16-Bit Digital Output with I2C Fast-Mode at 400 kHz
  • Programmable Analog Gain and Integration Time
  • Miniature ChipLED Package
    Height - 0.55mm
    Length - 2.60mm
    Width - 2.20mm
  • 50/60-Hz Lighting Ripple Rejection
  • Low 2.5-V Input Voltage and 1.8-V Digital Output
  • Low Active Power (0.6 mW Typical) with
  • Power Down Mode
  • RoHS Compliant

Applications [+-]

  • Detection of ambient light to control display backlighting
    • Mobile devices – Cell phones, PDAs, PMP
    • Computing devices – Notebooks, Tablet PC, Key board
    • Consumer devices – LCD Monitor, Flatpanel TVs, Digital Cameras
  • Automatic Residential and Commercial Lighting Management
  • Automotive instrumentation clusters
  • Electronic Signs and Signals

Benefits [+-]

  • Extending battery life (eg. Mobile Phone)
  • Prolong LCD panel life (eg. LCD monitor/ TV)
  • Providing optimum viewing in diverse lighting conditions (eg. GPS)
  • Fast an easy system integration with user programmable capability

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