QSE157(2004) 查看數據表（PDF） - Fairchild Semiconductor
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QSE157 Datasheet PDF : 7 Pages
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PLASTIC SILICON
OPTOLOGIC® PHOTOSENSOR
QSE156 QSE157 QSE158 QSE159
Typical Performance Curves - (Sensor Coupled to QEE113 Emitter)
Fig. 1 Output Voltage vs. Input Current (Inverters)
6
VOH
5
4
VCC = 5 V
RL = 270 Ω
TA = 25˚C
d = 4mm
3
IF (OFF)
IF (ON)
2
1
VOL
0
0
1
2
3
4
5
IF - Input Current (mA)
Fig. 2 Output Voltage vs. Input Current (Buffers)
6
VCC = 5 V
RL = 270 Ω
5 TA = 25˚C
d = 4mm
4
VOH
3
IF (OFF)
IF (ON)
2
1
VOL
0
0
1
2
3
4
5
IF - Input Current (mA)
10
8
6
4
2
1.0
0.8
0.6
0.4
0.2
0.1
0
Fig. 3 Threshold Current vs. Distance
Normalized to:
VCC = 5 V
RL = 270Ω
TA = 25 °C
d = 4mm
Pulsed 100Hz
PW = 100µs
2
4
6
8
10
12
14
d - Distance (mm)
Fig. 4 Normalized Threshold Current vs. Supply Voltage
1.6
Normalized to:
1.4
Turn ON Threshold
VCC = 5 V
1.2
TA = 25˚C
1.0
IF (ON)
0.8
IF (OFF)
0.6
0.4
0.2
0.0
0
2
4
6
8
10
12
14
16
VCC - Supply Voltage (V)
© 2004 Fairchild Semiconductor Corporation
Page 4 of 7
8/4/04
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