Digital Ambient Light Sensor and Proximity Sensor with Interrupt Function

The ISL29018 is an integrated ambient and infrared light to digital converter with a built-in IR LED driver and I2C Interface (SMBus Compatible). This device provides not only ambient light sensing to allow robust backlight/display brightness control but also infrared sensing to allow proximity estimation featured with interrupt function.

Features
Proximity Sensing
• Ambient IR Cancellation During Proximity Sensing
    - Works Under Direct Sunlight
• IR LED Driver with Programmable Source Current
    - Adjustable Current Drive from 100mA to 12.5mA
• Programmable LED current Modulation Frequency
• Variable Conversion Resolution

Ambient Light Sensing
• Simple Output Code Directly Proportional to lux
• Adjustable Sensitivity up to 65 Counts per lux
• Selectable Range (via I2C)
    - Range 1 = 0.015 lux to 1,000 lux
    - Range 2 = 0.06 lux to 4,000 lux
    - Range 3 = 0.24 lux to 16,000 lux
    - Range 4 = 0.96 lux to 64,000 lux
• Integrated 50/60Hz Noise Rejection
• Works Under Various Light Sources, Including Sunlight

Ideal Spectral Response for Light and Proximity Sensor
• Light Sensor Close to Human Eye Response
    - Excellent Light Sensor IR and UV Rejection
• Proximity sensor range from 850nm to 950nm
    - Can use either 850nm or 950nm LED solution

Ultra Low Power
• 90μA Max Operating Current
• Software Shutdown and Automatic Shutdown
    - 0.5μA Max Shutdown Current

Easy to Use
• I2C (SMBus Compatible) Output
• No Complex Algorithms Needed
• Temperature Compensated
• Small Form Factor
    - 8 Ld 2.0mmx2.1mmx0.7mm ODFN Package

Additional Features
• I2C and SMBus Compatible
• 1.7V to 3.63V Supply for I2C Interface
• 2.25V to 3.63V Sensor Power Supply
• Pb-Free (RoHS compliant)

Applications
• Display and Keypad Dimming Adjustment and Proximity Sensing for:
    - Mobile Devices: Smart Phone, PDA, GPS
    - Computing Devices: Notebook PC, Webpad
    - Consumer Devices: LCD-TV, Digital Picture Frame, Digital Camera
• Industrial and Medical Light and Proximity Sensing