Ambient light sensor IC - WH81120UF
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⚫ Compact surface mount package 2.0x2.0x0.7mm
⚫ I 2C interface (Fast Speed Mode at 400kHz/s)
⚫ Dedicated Interrupt Pin
⚫ Supply Voltage Range from 1.7V to 3.6V
⚫ Operating Temperature Range from- 40°C to +85°C
- Model Number: WH81120UF
- Data Sheet:
- Quantity:
- - +
Product Specification
WH81120UF is a light to digital converter which combines photodiodes, current amplifiers, analog circuit and digital signal processor.
Ambient light sensor (ALS) built-in an optical filter for IR rejection, and providing a spectrum which is close to the human eye’s response. ALS can work from dark to direct sunlight, the selectable detect range is about 40dB. Dual channel output (human eye), so it has excellent light ratio under different light conditions. ALS has excellent light ratio under different light conditions.
WH81120UF has programmable interrupt function with high / low threshold.
Features：
⚫ Compact surface mount package 2.0x2.0x0.7mm
⚫ I
2C interface (Fast Speed Mode at 400kHz/s)
⚫ Dedicated Interrupt Pin
⚫ Supply Voltage Range from 1.7V to 3.6V
⚫ Operating Temperature Range from- 40°C to +85°C
⚫ Ambient Light Sensor
⚫ Close to human eyes responsibility
⚫ Up to 16-bit Digital Output
⚫ Programmable Dynamic Range Ratio = x1 : x4 : x16: x64: x256
⚫ Linear Output Code for Dynamic Range Selection
⚫ Eliminate 50 / 60 Hz Filter by Programmable Integrated Time
⚫ Fluorescent light flicker immunity
Applications：
⚫ Cell Phone and LCD display backlight control
⚫ Notebook/Monitor Security
⚫ Automatic Menu Pop
⚫ Digital Camera light meter
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