TRS1722, TRS1755, TRS1766
HIGH SENSITIVITY REFLECTIVE COLOR SENSOR
WITH LIGHT TO VOLTAGE CONVERTERS
TAOS034 – NOVEMBER 2002
TYPICAL CHARACTERISTICS
TYPICAL OUTPUT VOLTAGE
vs.
LED CURRENT
6
3
Blue
5
Red
LED Forward Voltage Drop — V
Blue
Output Voltage — V
4
2.5
TYPICAL LED VOLTAGE
vs.
LED CURRENT
2
Green
Red
3
1.5
2
1
1
Green
0
0.01
0.5
0.1
LED Current – mA
1
10
0
0.01
0.1
LED Current – mA
1
10
Figure 4
TYPICAL NORMALIZED OUTPUT
vs.
DISTANCE
1.2
1.2
Figure 5
REFLECTIVE SENSOR LED ANGULAR
NORMALIZED EMISSION SWING
PERPENDICULAR TO LED DETECTOR AXIS
Normalized Output Voltage — V
O
1
1
0.8
Normalized Emission
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0
0
2
4
6
8
10
Distance to Reflecting Surface – mm
0
–100
–50
0
Degrees –
°
50
100
Figure 6
Figure 7
Copyright
E
2002, TAOS Inc.
t
The
LUMENOLOGY
r
Company
t
6
www.taosinc.com
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
