Datasheet
13
6N139 fig 9
R
L
– LOAD RESISTANCE – kΩ
100
0.1 1.0
TIME – µs
10
10
1
I
F
– ADJUSTED FOR V
OL
= 2 V
T
A
= 25° C
t
f
t
r
Figure 1. 6N138/6N139 DC transfer character-
istics
Figure 6. Propagation delay vs. temperatureFigure 5. Propagation delay vs. temperature
Figure 2. Current transfer ratio vs. forward
current 6N138/6N139
Figure 3. 6N138/6N139 output current vs. input
diode forward current
Figure 4. Input diode forward current vs.
forward voltage
Figure 7. Propagation delay vs. temperature Figure 8. Forward voltage vs. temperature Figure 9. Nonsaturated rise and fall times vs.
load resistance
6N1390 fig 1
0 1.0 2.0
V
O
– OUTPUT VOLTAGE – V
I
O
– OUTPUT CURRENT – mA
50
25
0
5.0 mA
T
A
= 25° C
V
CC
= 5 V
4.5 mA
4.0 mA
3.5 mA
3.0 mA
2.5 mA
2.0 mA
1.5 mA
1.0 mA
0.5 mA
6N139 fig 2
I
F
– FORWARD CURRENT – mA
2000
1600
800
400
0.1 1.0
CTR – CURRENT TRANSFER RATIO – %
10
1200
0
V
CC
= 5 V
V
O
= 0.4 V
85°C
70°C
25°C
70°C
-40°C
6N139 fig 3
I
F
– INPUT DIODE FORWARD CURRENT – mA
0.01
0.01 0.1 10
I
O
– OUTPUT CURRENT – mA
0.1
1.0
10
100
T
A
= 25° C
T
A
= 0° C
T
A
= 70° C
T
A
= 85° C
T
A
= -40° C
1
6N139 Figure 8
1.6
1.5
1.4
1.3
-60 -20
20 40
100
V
F
– FORWARD VOLTAGE – V
T
A
– TEMPERATURE – °C
60 80
0
-40
1.2
I
F
= 1.6 mA
6N139 fig 4
V
F
– FORWARD VOLTAGE – V
100
10
0.1
0.01
1.1 1.2 1.3 1.4
I
F
– FORWARD CURRENT – mA
1.61.5
1.0
0.001
1000
–
V
F
+
T
A
= 25°C
T
A
= 0°C
I
F
T
A
= 85°C
T
A
= 70°C
T
A
= -40°C
6N139 Figure 5
40
35
30
25
20
10
-60 -20
20 40
100
t
P
– PROPAGATION DELAY – µs
T
A
– TEMPERATURE – °C
5
60 80
0
-40
0
I
F
= 0.5 mA
R
L
= 4.7 kΩ
1/f = 50 µs
15
t
PLH
t
PHL
6N139 Figure 6
24
21
18
15
12
6
-60 -20
20 40
100
t
P
– PROPAGATION DELAY – µs
T
A
– TEMPERATURE – °C
3
60 80
0
-40
0
I
F
= 1.6 mA
R
L
= 2.2 kΩ
1/f = 50 µs
9
t
PLH
t
PHL
6N139 Figure 7
4
3
2
1
-60 -20
20 40
100
t
P
– PROPAGATION DELAY – µs
T
A
– TEMPERATURE – °C
60 80
0
-40
0
I
F
= 12 mA
R
L
= 270 kΩ
1/f = 50 µs
t
PLH
t
PHL