简介:
- 将环境光传感器 (ALS) 和接近检测功能结合在同一芯片中的产品系列。
- ALS 可测量环境光强度,匹配人眼在各种照明环境下以及通过各种衰减材料时对光的反应。
- 接近检测功能实现了在宽动态范围内深色玻璃背后的近距离检测。
应用场景:
- 手机(水滴屏)
- 手机(全面屏方案,产品只能置于屏和外壳的缝隙)
- 手机(折叠屏方案,全面屏方案;产品置于OLED屏显示区域下方)
技术规格:
Light sensor features (LS)
- Photopic filter approximates human eye response
- High Dynamic range
- Integrated infrared sensing channel
- 16-bit resolution
- Zero dark count value
- Programmable gain
- Programmable integrated time
- Programmable wait time
- Programmable interrupt function with persistence
- Two modes of operation
- Mode1: Continuous
- Mode2: Single measure initialed by I2C enable command.
- 50Hz/60Hz flicker noise suppression
- Individual/Sequential modes of operations
Proximity sensor features (PS)
- PS photodiode responsivity peak at 940nm
- 16-bit resolution
- Integrated synchronous LED driver
- Programmable LED driver current 2.5mA to 150mA
- Programmable LED driver pulse duration
- Programmable gain
- Programmable offset for crosstalk compensation
- Programmable wait time
- Programmable interrupt function with persistence
- Auto range for ambient light and dark current compensation
- Two modes of operation
- Mode1: Continuous
- Mode2: Single measure initiated by I2C enable commands.
- Single/Sequential operation with ALS/PS sensor
- VDD Supply voltage 1.62 ~1.98V
- LEDA supply voltage: 2.5V ~ 3.6V
- I2C interface compatible Up to 400k HZ (I2C fast mode)
- Package size: 4mm*1.5mm*1mm
技术参数
规格项 | 参数值 |
---|---|
工作温度 | -40-125 C |
技术 | 光电式 |
电源要求 | 直流供电 |