Si1147 근접/UV/조도 센서 -I2C
(Si1147 Proximity/UV/Ambient Light Sensor)
개요
- 본 제품은 Si1147 근접/UV/조도 센서 -I2C입니다.
- Si1147 기반의 제품으로 근접 센싱, UV 측정, 조도 센싱 기능을 지원합니다.
- I2C 인터페이스를 가지고 있습니다.
- 3.3V 시스템과 사용이 가능합니다.
특징
- Ultra sensitive diode with up to 3 separate LED drives supports multiple functions
- Measurement of heart rate and pulse oxygen saturation
- Near the detection of more than 50 cm
- Advanced 2D and 3D gesture detection
- Handheld cheek detection
- Ambient light sensor
- Precise optical level monitoring in mixed light
- Automatic backlight control can be used to improve the visual experience of the end user and reduce the energy consumption of the backlight
- Optical digital UV index sensor
- Determination of real-time UV sunshine and accumulated UV sunshine
- Low power sensor, signal processor and ADC support long battery life
- The average current required for the UV index measurement per second is as low as 1.2 A
- Innovative single pulse proximity sensor will IrLED on time to 25.6 s - the main energy consumption
- 9 A near the induced average current (in the 180 A and 3 Si114x mA current, LED 800 ms pulse per 25.6 s)
- The dynamic adjustment of LED current can reduce the power consumption and optimize the performance
- Power supply voltage of 1.7 to 3.6 V
- Standby current less than 500nA
- I2C interface, easy to communicate with the host MCU
- 0.1 to 128 kLux dynamic range ensures direct sunlight operation
- The lowest reflection sensitivity is less than 1uW/cm2
- Minimum 2 mm x 2 mm transparent QFN package
- Operating temperature: - 40 to + 85 degrees C