5.0 mA
4.5 mA
4.0 mA
85°C
50
25
0
2000
1600
1200
800
100
10
70°C
25°C
70°C
-40°C
T
= 85° C
A
1.0
T
= 70° C
= 25° C
= 0° C
A
A
A
A
T
T
T
V
= 5 V
0.5 mA
0.1
CC
400
0
V
O
= 0.4 V
V
T
A
= 5 V
= 25° C
= -40° C
CC
0.01
0.01
0
1.0
– OUTPUT VOLTAGE – V
2.0
0.1
1
10
0.1
1.0
10
V
O
I
– INPUT DIODE FORWARD CURRENT – mA
I
– FORWARD CURRENT – mA
F
F
Figure 1. 6N138/6N139 DC transfer character-
istics
Figure 2. Current transfer ratio vs. forward
current 6N138/6N139
Figure 3. 6N138/6N139 output current vs. input
diode forward current
24
40
1000
I
I
= 1.6 mA
I
= 0.5 mA
F
F
F
21
18
15
12
9
R
= 2.2 kΩ
35
30
25
20
15
10
R
= 4.7 kΩ
L
L
+
100
1/f = 50 μs
t
PLH
1/f = 50 μs
t
PLH
V
F
–
10
T
T
= 85°C
= 70°C
A
A
1.0
0.1
T
T
T
= 25°C
= 0°C
6
A
A
A
t
PHL
0.01
0.001
t
PHL
3
0
5
0
= -40°C
-60 -40 -20
0
20 40 60 80 100
1.1
1.2
1.3
1.4
1.5
1.6
-60 -40 -20
0
20 40 60 80 100
V
– FORWARD VOLTAGE – V
F
T
– TEMPERATURE – °C
T
– TEMPERATURE – °C
A
A
Figure 4. Input diode forward current vs.
forward voltage
Figure 5. Propagation delay vs. temperature
Figure 6. Propagation delay vs. temperature
4
1.6
I
= 12 mA
F
100
I
= 1.6 mA
R
= 270 kΩ
F
L
T
= 25° C
A
1/f = 50 μs
t
PLH
t
f
3
2
1.5
1.4
t
r
10
1
0
1.3
1.2
I
– ADJUSTED FOR V
1.0
= 2 V
OL
t
PHL
F
1
0.1
-60 -40 -20
0
20 40 60 80 100
-60 -40 -20
0
20 40 60 80 100
10
R
– LOAD RESISTANCE – kΩ
L
T
– TEMPERATURE – °C
T
– TEMPERATURE – °C
A
A
Figure 7. Propagation delay vs. temperature
Figure 8. Forward voltage vs. temperature
Figure 9. Nonsaturated rise and fall times vs.
load resistance
13
AVAGO [ AVAGO TECHNOLOGIES LIMITED ]
