H21L Datasheet, PDF (5/8 Pages) Fairchild Semiconductor – OPTOLOGIC OPTICAL INTERRUPTER SWITCH

Typical Performance Characteristics
6
V_OH
5
4
V_CC = 5V
R_L = 270Ω
T_A = 25˚C
3
I_{F (OFF)}
I_{F (ON)}
2
1
V_OL
0
0
1
2
3
4
5
I_F - Input Current (mA)
Figure 1. Output Voltage vs. Input Current
(Inverters)
6
V_CC = 5V
R_L = 270Ω
5 T_A = 25˚C
4
V_OH
3
I_{F (OFF)}
I_{F (ON)}
2
1
V_OL
0
0
1
2
3
4
5
I_F - Input Current (mA)
Figure 2. Output Voltage vs. Input Current
(Buffers)
10
Black Shield
+Dd
E+ ₀
Black Shield
d
0
Normalized to:
V_CC = 5V
1
I_F = 20mA Pulsed
Pulse Width = 100µs
Duty Cycle = 0.1%
0
1
2
3
4
5
6
7
8
d - Distance (mm)
Figure 3. Normalized Threshold Current
vs. Shield Distance
1.6
Normalized to:
1.4
Turn ON Threshold
V_CC = 5V
T_A = 25˚C
1.2
1.0
I_{F (ON)}
0.8
I_{F (OFF)}
0.6
0.4
0.2
0.0
0
2
4
6
8
10
12
14
16
V_CC - Supply Voltage (V)
Figure 4. Normalized Threshold Current
vs. Supply Voltage
©2004 Fairchild Semiconductor Corporation
H21L Series Rev. 1.1.0
5
www.fairchildsemi.com