Datasheet

12
0.1 µF
V
CC
=15 V
20 kΩ
6
5
4
1
3
SHIELD
CMOS
310 W
+5 V
V
OUT
100 pF
+
–
*100 pF TOTAL
CAPACITANCE
6
5
4
1
3
C
LEDP
C
LEDN
6
5
4
1
3
C
LEDP
C
LEDN
SHIELD
C
LED01
0.1 µF
V
CC
=15 V
20 kΩ
6
5
4
1
3
SHIELD
CMOS
310 Ω
+5 V
V
OUT
100 pF
+
–
*100 pF TOTAL
CAPACITANCE
20 kΩ
6
5
4
1
3
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dV
CM
/dt TRANSIENTS.
300 Ω
V
OUT
100 pF
I
CLEDP
C
LEDN
SHIELD
C
LED01
+
–
I
TOTAL*
I
CLED01
I
F
V
CM
20 kΩ
6
5
4
1
3
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dV
CM
/dt TRANSIENTS.
** OPTIONAL CLAMPING DIODE FOR IMPROVED CMH
PERFORMANCE. V
R
< V
F (OFF)
DURING +dV
CM
/dt.
V
OUT
100 pF
C
LEDP
C
LEDN
SHIELD
C
LED01
+
–
I
CLEDN
*
300 Ω
+ V
R
** –
V
CM
Figure 14. Optocoupler Input to Output Capacitance Model for Unshielded
Optocouplers.
Figure 13. Recommended LED Drive Circuit.
Figure 17. AC Equivalent Circuit for Figure 16 during Common Mode
Transients.
Figure 18. AC Equivalent Circuit for Figure 13 during Common Mode
Transients.
Figure 15. Optocoupler Input to Output Capacitance Model for Shielded
Optocouplers.
Figure 16. LED Drive Circuit with Resistor Connected to LED Anode (Not
Recommended).