Datasheet

17
Figure 8. Test circuit for t
PHL
and t
PLH
.
Figure 9. Typical propagation delay vs. temperature. Figure 10. Typical propagation delay vs. pulse input
current.
Figure 11. Typical pulse width distortion vs. tempera-
ture.
Figure 12. Typical rise and fall time vs. temperature.
V
CC
= 5.0 V
T
A
= 25°C
105
90
5 9 13
I
F
– PULSE INPUT CURRENT – mA
75
15117
30
t
P
– PROPAGATION DELAY – ns
60
45
t
PLH
, R
L
= 4 KΩ
t
PLH
, R
L
= 1 KΩ
t
PLH
, R
L
= 350 Ω
t
PHL
, R
L
= 350 Ω
1 KΩ
4 KΩ
6N137 fig 10
6N137 fig 8a
OUTPUT V
MONITORING
NODE
O
+5 V
7
5
6
8
2
3
4
1
PULSE GEN.
Z = 50 Ω
t = t = 5 ns
O
f
I
F
L
R
R
M
CC
V
0.1µF
BYPASS
*C
L
GND
INPUT
MONITORING
NODE
r
SINGLE CHANNEL
6N137 fig 8b
OUTPUT V
MONITORING
NODE
O
+5 V
7
5
6
8
2
3
4
1
PULSE GEN.
Z = 50 Ω
t = t = 5 ns
O
f
I
F
L
R
R
M
CC
V
0.1µF
BYPASS
C
L
*
GND
INPUT
MONITORING
NODE
r
DUAL CHANNEL
6N137 fig 8c
1.5 V
t
PHL
t
PLH
I
F
INPUT
O
V
OUTPUT
I = 7.50 mA
F
I = 3.75 mA
F
*C
L
IS APPROXIMATELY 15 pF WHICH INCLUDES
PROBE AND STRAY WIRING CAPACITANCE.
V
CC
= 5.0 V
I
F
= 7.5 mA
100
80
-60 -20 20
60
100
T
A
– TEMPERATURE – °C
60
80400-40
0
t
P
– PROPAGATION DELAY – ns
40
20
t
PLH
, R
L
= 4 KΩ
t
PLH
, R
L
= 1 KΩ
t
PLH
, R
L
= 350 Ω
t
PHL
, R
L
= 350 Ω
1 KΩ
4 KΩ
6N137 fig 9
t
r
, t
f
– RISE, FALL TIME – ns
-60
0
T
A
– TEMPERATURE – °C
100
300
6N137 fig 12
-20
40
20 60-40 0 40 80
60
290
20
V
CC
= 5.0 V
I
F
= 7.5 mA
R
L
= 4 kΩ
R
L
= 1 kΩ
R
L
= 350 Ω, 1 kΩ, 4 kΩ
t
RISE
t
FALL
R
L
= 350 Ω
V
CC
= 5.0 V
I
F
= 7.5 mA
40
30
-20 20
60
100
T
A
- TEMPERATURE -
o
C
20
80400-40
PWD - PULSE WIDTH DISTORTION - ns
10
R
L
= 350Ω
R
L
= 1 kΩ
R
L
= 4 kΩ
0
-60
-10