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參數(shù)資料
| 型號： | VM6101V008 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | IC color light sensor |
| 中文描述： | 余C顏色光傳感器 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 159K |
| 代理商： | VM6101V008 |
Functional description
VM6101
4/17
2.1
Light measurement channels
The VM6101 has four independent wide dynamic range photosensors and current-to-
frequency converters. Each channel produces a digital output with a frequency proportional
to the incoming light level on the photosensor. By construction, the device ensures
automatic exposure control.
Figure 2.
Light-to-Frequency converter (L2F)
The output period is measured using a 27-bit free-running counter and the internal 3.6 MHz
oscillator clock; counter values are then read through the serial interface.
The typical light response is shown in
Figure 3.
below, obtained using a CIE D65 white point
light source (~ daylight illumination) and no light diffuser.
Figure 3.
Light response
1000
10O
100000
1000000
10000000
1
10
100
1000
LumiIlluminance (lx)
O
Y
R
G
B
1.0E+03
1.0E+04
1.0E+05
1.0E+06
1.0E+07
1
10
100
1000
Y
R
G
B
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