LEVELEK 莱弗利 LS-9811 光感器件

简介：

1. 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。
2. 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。
3. 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：

1. 手机（水滴屏）
2. 手机（全面屏方案，产品只能置于屏和外壳的缝隙）
3. 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)

1. Photopic filter approximates human eye response
2. High Dynamic range
3. Integrated infrared sensing channel
4. 16-bit resolution
5. Zero dark count value
6. Programmable gain
7. Programmable integrated time
8. Programmable wait time
9. Programmable interrupt function with persistence
10. 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)

1. PS photodiode responsivity peak at 940nm
2. 16-bit resolution
3. Integrated synchronous LED driver
4. Programmable LED driver current 2.5mA to 150mA
5. Programmable LED driver pulse duration
6. Programmable gain
7. Programmable offset for crosstalk compensation
8. Programmable wait time
9. Programmable interrupt function with persistence
10. Auto range for ambient light and dark current compensation
11. 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