PROXIMITY/AMBIENT LIGHT SENSOR IC
Si 11 4 1 / 4 2 /43
P R O X I M I T Y /A M BI E N T L I G H T S E N S O R I C WI T H I 2 C I N T E R F A C E
Features Pi...
Description
Si 11 4 1 / 4 2 /43
P R O X I M I T Y /A M BI E N T L I G H T S E N S O R I C WI T H I 2 C I N T E R F A C E
Features Pin Assignments
QuickSense™ integrated infrared proximity detector Proximity detection adjustable from under 1 cm to over 1 m Three independent LED drivers 15 current settings from 5.6 mA to 360 mA for each LED driver 25.6 µs LED driver pulse width 500 mm proximity range with single pulse (<2.5 klx) 150 mm proximity range with single pulse (>2.5 klx) Operates at up to 128 klx (direct sunlight) Minimum reflectance sensitivity < 1 µW/cm2 High EMI immunity without shielded 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
lux measurements possible with IR correction algorithm 25.6 µs measurement cycle keeps total power consumption duty cycle low without compromising performance or noise immunity Industry's lowest power consumption 1.8 to 3.6 V supply voltage 9 µA average current (LED pulsed 25.6 µs every 800 ms at 180 mA plus 3 µA Si114x supply) < 500 nA standby current Internal and external wake support Built-in voltage supply monitor and power-on reset controller Serial communications Up to 3.4 Mbps data rate Slave mode hardware address decoding Small-outline 10-lead 2x2 mm QFN Temperature Range –40 to +85 °C
DNC SDA SCL VDD INT 1 2 3 4 10 9 8 ...
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