©2004 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD2200 Rev. 1.0.4 8
FOD2200 — Low Input Current Logic Gate Optocouplers
Typical Performance Curves
I
F(ON)
I
F(OFF)
Figure 9. Output Voltage vs. Input Forward Current
I
F
– INPUT FORWARD CURRENT (mA)
0.0 0.2 0.4 0.6 0.8 1.0 1.2
V
O
– Output Voltage (V)
0
1
2
3
4
5
CC
I
O
= -2.6mA
V
T
A
= 25°C
I
O
= 6.4mA
= 4.5V
Figure 10. Input Threshold Current vs. Ambient Temperature
T
A
– Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100
T
A
– AMBIENT TEMPERATURE (°C)
-40 -20 0 20 40 60 80 100
INPUT CURRENT THRESHOLD (mA)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
I
F
(ON)
I
F
(OFF)
V
CC
= 5V, 20V
Figure 11. Logic Low Output Voltage vs. Ambient Temperature
V
OL
– LOGIC LOW OUTPUT VOLTAGE (V)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
V
CC
= 4.5V
I
F
= 0 mA
I
O
= 6.4 mA
Figure 12. Logic High Output Voltage vs. Supply Voltage
V
CC
– SUPPLY VOLTAGE (V)
048121620
V
OH
– LOGIC HIGH OUTPUT VOLTAGE (V)
0
4
8
12
16
20
I
O
= -2.6 mA
T
A
= 25°C
I
F
≥ I
F
(ON)
Figure 13. Logic High Output Current vs. Ambient Temperature
T
A
– AMBIENT TEMPERATURE (°C)
-40 -20 0 20 40 60 80 100
I
OH
– LOGIC HIGH OUTPUT CURRENT (mA)
-7
-6
-5
-4
-3
-2
-1
0
V
CC
= 4.5V
I
F
= 5 mA
V
O
= 2.7V
V
O
= 2.4V
Figure 14. Propagation Delay vs Ambient Temperature
T
A
– AMBIENT TEMPERATURE (°C)
-40 -20 0 20 40 60 80 100
T
A
– AMBIENT TEMPERATURE (°C)
-40 -20 0 20 40 60 80 100
t
P
– PROPAGATION DELAY (µs)
60
100
140
180
220
260
V
CC
t
PHL
, I
F
t
PHL
, I
F
= 5mA
= 5V
See Figure 1.
= 1.6mA
t
PLH
, I
F
= 1.6mA–5mA
t
PHL
, I
F
C1 (120pF) Peaking Capacitor Is Used.
Figure 15. Rise, Fall Time vs Ambient Temperature
t
f
, tr – RISE, FALL TIME (µs)
0
40
80
120
160
200
V
CC
I
F
t
f
t
r
= 5V
= 1.6mA
Figure 8. Input Forward Current vs Forward Voltage
V
F
– FORWARD VOLTAGE (V)
0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
I
F
– FORWARD CURRENT (mA)
0.001
0.01
0.1
1
10
100
T
A
= 85°C
T
A
= 70°C
T
A
= 25°C
T
A
= 0°C
T
A
= -40°C
= 3mA