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Intersil's sensor products include sensor controllers and a wide variety of light/photo detectors. Intersil also designs and manufactures high performance analog semiconductors for use in flat panel displays, cell phones, other handheld systems, and notebooks.
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Intersil - Product Information

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Intersil ISL29028A Integrated Light SensorISL29028A Integrated Light Sensor
The ISL29028A is an integrated ambient and IR light-to-digital converter with a built-in IR LED driver and I2C Interface (SMBus Compatible). It uses two independent ADCs for concurrently measuring ambient light and proximity in parallel. The flexible interrupt scheme is designed for minimal microcontroller utilization.

Dual ADC Architecture:

Ambient Light Sensing
  • Ideal Light Sensor Response

Proximity Sensing
  • 850nm and 940nm LED Compatible
  • Ambient IR Noise Cancellation

Intelligent and Flexible Interrupts
  • Independent ALS/Prox Interrupt Thresholds
  • Selectable Persist control

Ultra Low Power
  • 138μA (Typ) Including IR LED Current

Easy to Use
  • Set Registers; Wait for Interrupt
  • I²C (SMBus Compatible) Output
  • Small Package - 2.0x2.1x0.7

Pricing & Availability

Product Training

Intersil Product Training Modules (PTMs)


 Ambient Light Sensors