Silicon Labs CI capteur de lumière ambiante Si1133

Silicon Labs Si1133 Ambient Light Sensor IC is a UV Index Sensor with an I2C digital interface and programmable-event interrupt output. Si1133 includes dual 23-bit analog-to-digital converters, integrated high-sensitivity UV array, visible and infrared photodiodes and digital signal processor. It comes in a 10-lead 2x2mm QFN package and is capable of operation from 1.62 to 3.6V over the -40 to +85°C temperature range.

Features

  • Optional high accuracy UV index sensor
    • Unique on-die filter closely matches erythermal curve
  • Ambient light sensor
    • Up to 128klx dynamic range possible across two ADC range settings
  • Industry's lowest power consumption
    • 1.62 to 3.6V supply voltage
    • Internal and external wake support
    • Built-in voltage supply monitor and power-on reset controller
  • Trimmable internal oscillator with typical 1% accuracy
  • I2C Serial communications
    • Up to 3.4Mbps data rate
    • Slave mode hardware address decoding
  • Small package options
    • 10-lead 2x2x0.65mm QFN
  • Temperature Range
    • -40 to +85°C

Applications

  • Wearables
  • Handsets
  • Display backlighting central
  • Consumer electronics

Function Block Diagram

Block Diagram - Silicon Labs CI capteur de lumière ambiante Si1133