APDS9930 digital ambient light sensing
LINK THAM KHẢO: https://www.broadcom.com/products/optical-sensors/integrated-ambient-light-proximity-sensors/apds-9930
APDS-9930 is a digital I2C compatible interface ambient light sensor (ALS) and proximity sensor with IR LED in a single 8-pin package. The ambient light sensor utilizes dual photodiodes to approximate the human eye response with a low lux performance at 0.01 lux. This high sensitivity allows for the device to operate behind a darkened glass. The proximity sensor is fully calibrated to detection of objects to 100 mm thus eliminating the need for factory calibration of the end equipment or sub-assembly. The proximity detection feature operates well from bright sunlight to dark rooms. The addition of the micro-optics lenses within the module, provide highly efficient transmission and reception of infrared energy which lowers overall power dissipation. In addition, an internal state machine provides the ability to put the device into a low power mode in between ALS and proximity measurements providing very low average power consumption.
- Cell Phone Backlight Dimming
- Cell Phone Touch-screen Disable
- Notebook/Monitor Security
- Automatic Speakerphone Enable
- Automatic Menu Pop-up
- Digital Camera Eye Sensor
ALS, IR LED and Proximity Detector in an Optical Module
- Ambient Light Sensing (ALS)
– Approximates Human Eye Response
– Programmable Interrupt Function with Upper and Lower Threshold
– Up to 16-Bit Resolution
– High Sensitivity Operates Behind Darkened Glass
– LowLux Performance at 0.01 lux
– Fully Calibrated to 100 mm Detection
– Integrated IR LED and Synchronous LED Driver
– Eliminates “Factory Calibration” of Proximity sensor
– Wait State Power – 90 µA Typical
– Programmable from 2.7 ms to > 8 Sec
– Up to 400 kHz (I2C Fast-Mode)
– Dedicated Interrupt Pin
- Sleep Mode Power - 2.2 µA Typical
- Small Package L3.94 x W2.36 x H1.35 mm
- APDS9930 digital ambient light sensing
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Công ty cổ phần điện tử SMD
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