12
HCPL-0560
SHIELD
GND1
V
INA
R
F
1
2
3
4
8
5 V
1
V
OA
V
CC2
12 kΩ
V
2N3904
V
O1
7
IN
0.01 µF
R
B
R
0.01 µF
L
R
V
CC1
L
V
OB
V
O2
2
6
5
V
INB
5 V
GND2
R
SHIELD
F
R
B
V
IN
2N3904
2
12 kΩ
1
Figure 15. Input Drive Circuit HCPL-0560.
V
CC2
5 V
R
220 Ω
HCPL-0561
SHIELD
F
GND1
1
V
R
INA
B
2N3904
V
(A)
8
IN
5 V
1
V
OA
V
CC2
LED
V
(A)
OUT
2
3
4
7
2
0.01 µF
R
L
1.9 kΩ
R
0.01 µF
L
V
CC1
V
OB
1.9 kΩ
V
(B)
6
5
OUT
LED
12 kΩ
R
220 Ω
F
V
INB
5 V
GND2
SHIELD
R
B
2
V
(B)
IN
2N3904
12 kΩ
1
Figure 16. Input Drive Circuit HCPL-0561.