Typical Performance Curves
1.0
I F = 10 mA
V CE = 5 V
1.0
0.8
0.6
0.4
T A = 25?C
d 0
0.8
0.6
0.4
Sensing Object:
White Paper (90% reflective)
0.2
Mirror
0.2
0.0
0
1
2 3
d-DISTANCE (mm)
4
5
0.0
0
4
8 12
I F - FORWARD CURRENT (mA)
16
20
2.0
Fig. 1 Normalized Collector Current vs. Distance
between device and reflector
10 2
Fig. 2 Collector Current vs. Forward Current
1.8
1.6
1.4
d = 1 mm, 90% reflection
T A = 25?C
I F = 25mA
10 1
Normalized to:
V CE = 10 V
T A = 25?C
V CE = 10 V
V CE = 5 V
1.2
1.0
0.8
0.6
I F =20mA
I F =15mA
I F =10mA
10 0
10 -1
0.4
I F =5mA
0.2
0.0
0.1
1
10
10 -2
25
40
55
70
85
V CE - COLLECTOR EMITTER VOLTAGE (V)
Fig. 3 Normalized Collector Current vs.
Collector to Emitter Voltage
?2011 Fairchild Semiconductor Corporation
QRE1113, QRE1113GR Rev. 1.7.1
4
T A - Ambient Temperature (?C)
Fig. 4 Collector Emitter Dark Current (Normalized)
vs. Ambient Temperature
www.fairchildsemi.com
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