
Typical Performance Curves (Sensor Coupled to QEE113 Emitter)
6
Fig. 1 Output Voltage vs. Input Current (Inverters)
6
Fig. 2 Output Voltage vs. Input Current (Buffers)
5
V OH
V CC = 5 V
R L = 270 Ω
T A = 25 ° C
d = 4mm
5
V CC = 5 V
R L = 270 Ω
T A = 25 ° C
d = 4mm
V OH
4
3
4
3
I F (OFF)
I F (ON)
I F (OFF)
I F (ON)
2
1
0
V OL
2
1
0
V OL
0
1
2
3
4
5
0
1
2
3
4
5
I F - Input Current (mA)
Fig. 3 Threshold Current vs. Distance
I F - Input Current (mA)
Fig. 4 Normalized Threshold Current vs. Supply Voltage
10
8
6
4
1.6
1.4
1.2
Normalized to:
Turn ON Threshold
V CC = 5 V
T A = 25 ° C
2
1.0
0.8
0.6
0.4
Normalized to:
V CC = 5 V
R L = 270 Ω
T A = 25 ° C
d = 4mm
Pulsed 100Hz
PW = 100 μ s
1.0
0.8
0.6
0.4
I F (ON)
I F (OFF)
0.2
0.2
0.1
0.0
0
2
4
6
8
10
12
14
0
2
4
6
8
10
12
14
16
d - Distance (mm)
?1.0.2 Fairchild Semiconductor Corporation
QSE156/C, QSE157/C, QSE158/C, QSE159/C Rev. 1.0.2
4
V CC - Supply Voltage (V)
www.fairchildsemi.com