Technical Note
3/20
BH1730FVC
www.rohm.com
2012.02 - Rev.A
© 2012 ROHM Co., Ltd. All rights reserved.
●
Reference Data
0
0.2
0.4
0.6
0.8
1
1.2
400
500
600
700
800
900
1000
1100
Wavelength [ nm ]
Ra
tio
0
0.2
0.4
0.6
0.8
1
1.2
-90
-60
-30
0
30
60
90
Angle [ deg ]
Ra
tio
0
0.2
0.4
0.6
0.8
1
1.2
-90
-60
-30
0
30
60
90
Angle [ deg ]
Ra
tio
Fig.5 Directional Characteristics 1
Fig.6 Directional Characteristics 2
Fig.4 Dark Response of Type0
0
2
4
6
8
10
-40
-20
0
20
40
60
80
Ta [
℃
]
Measurement Result
0
50
100
150
200
250
300
2
2.5
3
3.5
4
VCC [ V ]
ICC @ Measur
emen
-
+
-
+
-
+
-
+
1pin
1pin
Fig.7 ADC count value in Type0
Temperature Dependency
Fig.3 Illuminance -Measurement
Result of Type0, Gain 1X, ITIME=DAh
Fig.9 VCC - ICC
( During measurement )
Fig.1 Spectral Response of Type0
(visible light peak)
0
0.2
0.4
0.6
0.8
1
1.2
2
2.5
3
3.5
4
VCC [ V ]
Ra
tio
Fig.11 Measurement Result
VCC Dependency
DVI=1.8V
0
0.2
0.4
0.6
0.8
1
1.2
1.5
2
2.5
3
3.5
DVI [ V ]
Ra
tio
Fig.12 Measurement Result
DVI Dependency
VCC=3V
0.1
1
10
-40
-20
0
20
40
60
80
Ta [
℃
]
ICC @
P
O
WE
R DOWN [ u
A
0
0.2
0.4
0.6
0.8
1
1.2
-40
-20
0
20
40
60
80
Ta [
℃
]
Ratio
Fig.2 Spectral Response of Type1
(infrared light peak)
0
0.2
0.4
0.6
0.8
1
1.2
400
500
600
700
800
900
1000
1100
Wavelength [ nm ]
Ratio
1
10
100
1000
10000
100000
1
10
100
1000
10000 100000
Illuminance [ lx ]
M
easur
em
ent R
e
su
l
Fig.10 Power down ICC@0Lx
Temperature Dependency
Fig.8 Light Source Dependency in
calculation from Type0 and Type1.
( Fluorescent Light is set to '1' )
0
0.5
1
1.5
2
Fluorescent
Light
Incandescent
Light
Halogen
Light
Kripton Light
White LED
Ratio
