User Manual

BH1750FVI
Technical Note
3/17
www.rohm.com
2009.04- Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
●Reference Data
0
0.2
0.4
0.6
0.8
1
1.2
-90 -60 -30 0 30 60 90
Angle [ deg ]
Ratio
0
0.2
0.4
0.6
0.8
1
1.2
-90 -60 -30 0 30 60 90
Angle [ deg ]
Ratio
Fig.8 Light Source Dependency
( Fluorescent Light is set to '1' )
1
10
100
1000
10000
100000
1 10 100 1000 10000 100000
Illuminance [ lx ]
Measurement Result
Fig.4 Directional Characteristics 1 Fig.5 Directional Characteristics 2 Fig.6 Dark Response
蛍光灯白熱灯感度比
0
2
4
6
8
10
-40 -20 0 20 40 60 80 100
Ta [
℃
]
Measurement Result
0
50
100
150
200
2 2.5 3 3.5 4
VCC [ V ]
ICC @ Measurement
H-Res.
L-Res.
0
8
16
24
32
40
48
56
64
0 8 16 24 32 40 48 56 64
Illuminance [ lx ]
Measurement Result
H-Res.
L-Res.
H-Res.
- +
- +
-
+
-
+
1pin
1pin
Fig.7 Measurement Accuracy
Temperature Dependency
Fig.2 Illuminance -
Measurement Result 1
Fig.3 Illuminance -
Measuremnet Result 2
Fig.9 VCC - ICC
( During measurement )
Fig.10 VCC – ICC@0 Lx
( POWER DOWN )
Fig.1 Spectral Response
0
0.2
0.4
0.6
0.8
1
1.2
22.533.54
VCC [ V ]
Ratio
Fig.11 Measurement Result
VCC Dependency
0
0.2
0.4
0.6
0.8
1
1.2
1.5 2 2.5 3 3.5
DVI [ V ]
Ratio
Fig.12 Measurement Result
DVI Dependency
DVI=1.8V
VCC=3V
0
0.2
0.4
0.6
0.8
1
1.2
400 500 600 700 800 900 1000 1100
Wavelength [ nm ]
Ratio
00.511.52
Fluorescent
Light
Incandescent
Light
Halogen
Light
Kripton Light
Artifical Sun
Light
White LED
Ratio
0
0.2
0.4
0.6
0.8
1
1.2
-40-200 20406080100
Ta [
℃
]
Ratio
0.01
0.1
1
10
-40 -20 0 20 40 60 80 100
Ta [
℃
]
ICC @ POWER DOWN [ uA ]