Si1153 光学传感器开发工具

enly

Silicon Labs新型Si1133光学传感器为在广泛的运动装备和户外活动产品上添加高精度UV指数测量功能提供了高性价比解决方案。Si1153环境光传感器特别针对强日光条件和更大范围操作进行了优化，这使得它非常适用于室外环境中的手势控制和接近检测等应用。Features

       

• Proximity detector
  

       

• Proximity detection adjustable from under 1 cm up to 200cm       
  
• Up to three independent LED drivers       
  
• 30 current settings from 5.6mA to 360mA for each LED driver       
  
• Operates in direct sunlight with optional on-die 940nm passband filter       
  
• On die 940 bandpass filter that rejects unwanted visible light and IR from daylight and other sources. (Si1153-AA09)
  

       

• Heart rate and blood oxygen monitor
  

       

• Broad sensitivity from green to 940 nm (Si1153-AA09)       
  
• 3 LED drivers ideal for wrist applications
  

       

• Ambient light sensor
  

       

• <100mlx resolution possible, allowing operation under dark glass       
  
• Up to 128klx dynamic range possible across two ADC range settings
  

       

• Industry's lowest power consumption
  

       

• 1.62 to 3.6V supply voltage       
  
• 9µA average current (LED pulsed 25.6µs every 800ms at 180mA plus 3µA Si1153 supply)       
  
• <500nA standby current       
  
• 25.6µs LED "on" time keeps total power consumption duty cycle low without compromising performance or noise community       
  
• Internal and external wake support       
  
• Built-in voltage supply monitor and power-on reset controller
  

       

• Trim-able internal oscillator with typical 1% accuracy       
  
• I2C Serial communications
  

       

• Up to 3.4Mbps data rate       
  
• Slave mode hardware address decoding
  

       

• Two package options
  

       

• 10-lead 2x2x0.65mm QFN       
  
• 10-lead 2.9x4.9x1.2mm module with integrated 940nm LED
  

       

• Temperature Range
  

       

• -40 to +85°C