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Si1141/42/43 接近/環(huán)境光傳感器模塊

The Silicon Labs Si1141/42/43 combines an active optical reflectance proximity detector with an ambient light sensor and an infrared LED into a single 10-Pin QFN package. Their dual port operation enables reliable proximity detection for moving as well as stationary objects.

The Si1141 has 1 LED driver with an Integrated IR LED - RS 8920016.
The Si1142 has 2 LED drivers with and integrated IR LED - RS 8920025.
The Si1143 has 3 LED drivers with and integrated IR LED - RS 8920028.

With the Si1143, locate three infrared LEDs in an L-shaped configuration to enable triangulation of an object and in turn, via host software, creating a gesture based user interface.

These modules have photodiodes which can be used to measure both visible and infrared light. Detect levels as low as 6 lux.

- 可調接近檢測，范圍為 1 cm 至超過 50 cm
- 多達 3 個獨立 LED 驅動器
- 每個驅動器具有 15 種電流設置，范圍為 5.6 mA 至 360 mA
- 25.6 μs LED 驅動器脈沖寬度
- 高抗電磁干擾，不帶屏蔽包裝
- 低功耗