hcpl273 Fairchild Semiconductor, hcpl273 Datasheet - Page 11

• Manufacturer Part Number: hcpl273
• Description: Low Input Current High Gain Split Darlington Optocouplers
• Manufacturer: Fairchild Semiconductor

©2005 Fairchild Semiconductor Corporation
6N138, 5N139, NCPL2730, HCPL2731 Rev. 1.0.5
Test Circuits
V
FF
Pulse
Generator
tr = 5ns
Z = 50
10% D.C.
I/ < 100ns
I Monitor
O
f
F
B
A
V
I
F
R
m
I
F
Test Circuit for 6N138 and 6N139
V
V
F
F
Test Circuit for 6N138, 6N139
1
2
3
4
1
2
3
4
Noise
Shield
Noise
Shield
Pulse Gen
+
V
-
CM
8
7
6
5
8
7
6
5
Fig. 25 Common Mode Immunity Test Circuit
GND
GND
V
V
V
V
V
V
CC
B
O
CC
B
O
V
CM
Fig. 24 Switching Time Test Circuit
0.1 µF
0.1 µF
10 V
0 V
R
R
L
V
I
V
Switch at A : I = 0 mA
V
Switch at B : I = 1.6 mA
10%
F
T
L
O
O
O
PHL
t
C = 15 pF*
r
+5 V
L
-
V
+5 V
V
O
O
F
F
1.5 V
90%
11
10% DUTY CYCLE
I/f < 100 µS
V
FF
Pulse
Generator
tr = 5ns
Z = 50V
MONITOR
90%
O
B
I
F
I
F
A
Rm
I
F
10%
t
f
Test Circuit for HCPL2730 and HCPL2731
1.5 V
Test Circuit for HCPL2730 and HCPL2731
T
+
V
-
V
+
V
-
-
V
+
PLH
F1
F2
F1
F2
-
+
1
2
3
4
1
2
3
4
V
OL
5 V
V
OL
Noise
Shield
Noise
Shield
5 V
Pulse Gen
+
V
CM
-
8
7
6
5
8
7
6
5
V
V
V
GND
V
V
V
GND
R
CC
01
02
CC
01
02
L
R
L
www.fairchildsemi.com
0.1 µF
0.1 µF
C = 15 pF*
L
+5 V
+5 V
V
V
O
O