Figure 8. Propagation Delay with External 20 k: RL vs. Temperature.
Figure 9. Propagation Delay vs. Load Resistance.
Figure 10. Propagation Delay vs. Load Capacitance.
Figure 12. Propagation Delay vs. Input Current.
Figure 11. Propagation Delay vs. Supply Voltage.
t
P
– PROPAGATION DELAY – ns
T
A
– TEMPERATURE – °C
400
300
200
500
04060100-40-20
20
80
100
t
P
– PROPAGATION DELAY – ns
0
C
L
– LOAD CAPACITANCE – pF
800
600
400
1400
200
1000
1200
1002003004000500
t
P
– PROPAGATION DELAY – ns
0
V
CC
– SUPPLY VOLTAGE – V
800
600
400
1400
200
1000
10152025530
1200
t
P
– PROPAGATION DELAY – ns
100
I
F
– FORWARD LED CURRENT – mA
300
500
200
400
10155020
t
PLH
t
PHL
t
PLH
t
PHL
I
F
= 10 mA
V
CC
= 15 V
C
L
= 100 pF
R
L
= 20 K: (EXTERNAL)
I
F
= 10 mA
V
CC
= 15 V
C
L
= 100 pF
T
A
= 25° C
t
P
– PROPAGATION DELAY – ns
R
L
– LOAD RESISTANCE – K:
600
400
200
800
3050010
20
40
t
PLH
t
PHL
t
PLH
t
PHL
I
F
= 10 mA
V
CC
= 15 V
R
L
= 20 K:
T
A
= 25° C
I
F
= 10 mA
C
L
= 100 pF
R
L
= 20 K:
T
A
= 25° C
t
PLH
t
PHL
V
CC
= 15 V
C
L
= 100 pF
R
L
= 20 K:
T
A
= 25° C
12
Figure 14. Optocoupler Input to Output Capacitance Model for Unshielded
Optocouplers.
Figure 13. Recommended LED Drive Circuit.
Figure 15. Optocoupler Input to Output Capacitance Model for Shielded
Optocouplers.
Figure 16. LED Drive Circuit with Resistor Connected to LED Anode (Not
Recommended).
Figure 17. AC Equivalent Circuit for Figure 16 during Common Mode Transients.Figure 18. AC Equivalent Circuit for Figure 13 during Common Mode Transients.
