Optical Sensor Ambient 625nm, 525nm, 460nm I?C 10-WFQFN
Feature
The Si1133 is a UV Index Sensor and Ambient Light Sensor with I2C digital interface and programmable-event interrupt output. This sensor IC includes dual 23-bit analog-to-digital converters, integrated high-sensitivity array of UV, visible and infrared photodiodes, and digital signal processor. The Si1133 is provided in a 10-lead 2x2 mm DFN package and capable of operation from 1.62 to 3.6 V over the –40 to +85 °C temperature range.
Features
• High accuracy UV index sensor
• Matches erythermal curve
• Ambient light sensor
• <100 mlx resolution possible, allowing operation under dark glass<100 mlx resolution possible, allowing operation under dark glass
• Up to 128 klx dynamic range possible across two ADC range settings
• Industry’s lowest power consumption
• 1.62 to 3.6 V supply voltage
• <500 nA standby current
• 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 3.4 Mbps data rate
• Slave mode hardware address decoding
• Small package options
• 10-lead 2 x 2 x 0.65 mm QFN
• Temperature Range: –40 to +85 °C
Applications
• Wearables
• Handsets
• Display backlighting control
• Consumer electronics
