Digital Ambient Light Sensor and Proximity Sensor with Interrupt Function
The ISL29011 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
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