SI1143 Description
The Si1141/42/43 is a low-power, reflectance-based, infrared proximity and ambient light sensor with I2C digital interface and programmable-event interrupt output. This touchless sensor IC includes an analog-to-digital converter, integrated highsensitivity visible and infrared photodiodes, digital signal processor, and one, two, or three integrated infrared LED drivers with fifteen selectable drive levels. The...
SI1143 Key Features
- QuickSense™ integrated infrared proximity detector -Proximity detection adjustable from under 1 cm to over 1 m -Three
- 500 mm proximity range with single pulse (<2.5 klx) -150 mm proximity range with single pulse (>2.5 klx) -Operates at
- packaging
- QuickSense™ integrated ambient light sensor -10 mlx resolution possible, allowing
- operation under dark glass -1 to 128 klx dynamic range possible across two ADC range settings -17-bit resolution
- Accurate