SINGLE CHANNEL DEVICE
3.3 V or 5V
3.3 V or 5V
8
6
V
CC1
V
CC2
R
L
220 Ω
I
F
+
2
3
D1*
V
0.1 µF
BYPASS
F
–
5
GND 1
GND 2
SHIELD
V
E 7
1
2
*DIODE D1 (1N916 OR EQUIVALENT) IS NOT REQUIRED FOR UNITS WITH OPEN COLLECTOR OUTPUT.
DUAL CHANNEL DEVICE
CHANNEL 1 SHOWN
3.3 V or 5V
3.3 V or 5V
8
7
V
CC1
V
CC2
R
L
220 Ω
I
F
+
1
2
D1*
V
0.1 µF
BYPASS
F
–
5
GND 1
GND 2
SHIELD
1
2
Figure 12. Recommended LVTTL interface circuit.
18