BH1750FVI
● Reference Data
Technical Note
1.2
1
0.8
64
56
48
40
100000
10000
1000
0.6
32
24
H-Res.
L-Res.
100
0.4
0.2
16
8
0
L-Res.
10
1
0
400
500 600 700 800 900 1000
Wavelength [ nm ]
Fig.1 Spectral Response
1100
0
8 16 24 32 40 48 56
Illuminance [ lx ]
Fig.2 Illuminance -
Measurement Result 1
64
1
10 100 1000 10000 100000
Illuminance [ lx ]
Fig.3 Illuminance -
Measuremnet Result 2
1.2
1.2
10
1
1pin
1
0.8
8
蛍光灯白熱灯感度比
0.8
0.6
-
+
0.6
0.4
-
-
1pin
6
4
0.4
-
+
0.2
+
2
0.2
0
-90
-60
-30
0
Angle [ deg ]
30
60
90
0
-90
-60
-30 0 30
Angle [ deg ]
+
60
90
0
-40
-20
H-Res.
0
20 40
Ta [ ℃ ]
60
80
100
Fig.4 Directional Characteristics 1
1.2
1
0.8
0.6
Fig.5 Directional Characteristics 2
Fluorescent
Light
Incandescent
Light
Halogen
Light
200
150
100
Fig.6 Dark Response
Kripton Light
0.4
0.2
0
Artifical Sun
Light
White LED
50
0
-40
-20
0
20 40
Ta [ ℃ ]
60
80
100
0
0.5
1
Ratio
1.5
2
2
2.5
3
VCC [ V ]
3.5
4
Fig.7 Measurement Accuracy
Temperature Dependency
10
Fig.8 Light Source Dependency
( Fluorescent Light is set to '1' )
1.2
1
1.2
1
Fig.9 VCC - ICC
( During measurement )
1
0.8
DVI=1.8V
0.8
VCC=3V
0.6
0.6
0.1
0.4
0.2
0.4
0.2
0.01
-40
-20
0
20 40
Ta [ ℃ ]
60
80
100
0
2
2.5
3
VCC [ V ]
3.5
4
0
1.5
2
2.5
DVI [ V ]
3
3.5
Fig.10 VCC – ICC@0 Lx
( POWER DOWN )
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? 2011 ROHM Co., Ltd. All rights reserved.
Fig.11 Measurement Result
VCC Dependency
3/17
Fig.12 Measurement Result
DVI Dependency
2011.11 - Rev.D
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