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參數(shù)資料
| 型號： | AMIS-74980X |
| 英文描述： | Ambient Light Sensor |
| 中文描述： | 環(huán)境光傳感器 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 119K |
| 代理商： | AMIS-74980X |
A
AMI Semiconductor
AMIS-74980x Ambient Light Sensor
Product Description
Small, integrated solution
Approximates human eye response
Reports multi-level ambient light intensity
Flexible design
- Large dynamic range
- User programmable integration time
- Analog output options
- Digital output options (16-bits): SMBus, I
2
C
Programmable - based on application
Low power design
Flicker filtering (fluorescent 50Hz - 60Hz)
Standard CMOS process technology
Single, two or tri-color (second generation) diode sensors
for different accuracies
Key Features
The AMIS-74980x is a wide dynamic range light sensor
with an analog or digital output. There are several
versions of the analog output; one with 1uA current
output at 1000lux all the way to 1mA at 1000lux. The
digital output version has a built-in 16-bit ADC with a 2-
wire SMBus or I
2
C digital interface. The sensor employs
AMI Semiconductor's proprietary CMOS image sensing
technology which provides low noise and high dynamic
range output signals and a light response similar to the
response of the human eye.
Application Information
The AMIS-74980x is primarily used in ambient light
detection applications, such as a displays back control,
where adjustments are made to display brightness or
contrast based on the brightness of the ambient light, as
perceived by the human eye. Conventional SI detectors
respond too strongly to infrared light - a large
component of incandescent lighting - preventing natural
human eye response. The AMIS-74980x effectively filters
infrared light through proprietary techniques providing
human eye response.
Spectral Responses
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