Datasheet

©2008 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD8001 Rev. 1.0.3 5
FOD8001 — High Noise Immunity, 3.3V/5V Logic Gate Optocoupler
Typical Performance Curves
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
012345
V
O
-OutputVoltage (V)
V
I
-Input Voltage (V)
V
DD1
=V
DD 2
=3.3V
1.0
1.2
1.4
1.6
1.8
2.0
3.0 3.5 4.0 4.5 5.0 5.5
V
ITH
-TypicalInput Voltage Swicthi ng Threshold (V)
V
DD1
-Input Supply Voltage (V)
V
DD2
=3.3V
5.5
6.0
6.5
7.0
7.5
-40 -20 0 20 406080100
t
r
-RiseTime(ns)
T
A
-AmbientTemperatur e ( °C)
Frequency = 12.5MHz
Duty Cycle = 50%
V
DD1
=V
DD2
=3.3V
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
-40 -20 0 20 406080100
t
f
-FallTime(ns)
T
A
-AmbientTemperature (°C)
Frequency = 12.5MHz
Dut y Cycle = 50%
V
DD1
=V
DD2
=3.3V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
-40 -20 0 20 406080100
PW D - Pu lse Width Distortion (ns)
T
A
A
-Ambient Temperature (°C)
Frequency = 12.5MHz
Dut y Cycl e = 5 0%
V
DD1
=V
DD2
=3.3V
20
22
24
26
28
30
32
-40 -20 0 20 406080100
t
P
-Propagation Del ay (ns)
T-AmbientTempe rat ur e ( °C)
t
PHL
t
PLH
Frequency = 12.5MHz
Duty Cycle = 50%
V
DD1
=V
DD 2
=3.3V
Figure 1. Typical Output Voltage vs. Input Voltage
Figure 2. Input Voltage Switching Threshold vs. Input Supply Voltage
Figure 3. Propogation Delay vs. Ambient Temperature
Figure 4. Pulse Width Distortion vs. Ambient Temperature
Figure 5. Typical Rise Time vs. Ambient Temperature
Figure 6. Typical Fall Time vs. Ambient Temperature