Si1146 Datasheet | Silicon Labs

Features - Integrated infrared proximity detector - Integrated UV index sensor - Proximity detection adjustable from - Industry's lowest power consumption under 1 cm to over 50 cm - 1.71 to 3.6 V supply voltage - Three independent LED drivers - 9 µA average current (LED pulsed - 15 current settings from 5.6 m A to 25.6 µs every 800 ms at 180 m A 360 m A for each LED driver plus 3 µA Si114x supply) - 25.6 µs LED driver pulse width - < 500 n A standby current - 50 cm proximity range with single - Internal and external wake support pulse (<3 klx) - Built-in voltage supply monitor and - 15 cm proximity range with single power-on reset controller pulse (>3 klx) - 25.6 µs LED “on” time keeps total - Operates at up to 128 klx (direct power consumption duty cycle low sunlight) without promising performance - High reflectance sensitivity or noise immunity < 1 µW/cm2 - I2C Serial munications - High EMI immunity without shielded - Up to 3.4 Mbps data rate packaging - Slave mode hardware address - Integrated ambient light sensor decoding - 100 mlx resolution possible, - Small-outline 10-lead 2x2 mm QFN allowing operation under dark glass- Temperature Range - 1 to 128 klx dynamic range possible - - 40 to +85 °C across two ADC range settings - Accurate lux measurements with IR correction algorithm Applications - Handsets - E-book readers - Notebooks/Netbooks - Portable consumer electronics - Audio products - Security panels - Tamper detection circuits -...