Reflective Color Sensor Assembly
OPB780Z
OPB780Z LED - Typical Electro-Optical Characteristics Curves
1000
Forward Voltage vs Forward
Current
4.0
Forward Current vs Relative
Luminousity
100
10
1
T A = 25 o C
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
T A = 25 o C
2.5
3.0
3.5
4.0
4.5
5.0
0
20
40
60
80
100
120
1000
Forward Voltage V F (V)
Duty Ratio vs Allowable
Forward Current
Forward Current I FP (mA)
Ambient Temperature vs Forward
Voltage
5.4
T A = 25 C
100
10
o
5.0
4.6
4.2
3.8
3.4
3.0
2.6
I FP = 60 mA
I FP = 20 mA
I FP = 5 mA
1
10
Duty Ratio (%)
100
-40 -20 0 20 40 60 80
Ambient Temperature T A ( o C)
100
Ambient Temperature vs Relative
Luminosity
10.0
Ambient Temperature vs Allowable
Forward Current
40
I FP = 20 mA
30
1.0
0.1
20
10
0
-40
-20
0
20
40
60
80
100
0
20 40 60 80 100
Ambient Temperature T A (°C)
Am bient Tem perature T A ( o C)
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue A.5 6/09
Page 6 of 6
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
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