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CNW138
P1-P3
P4-P6
P7-P8
I
F
0V
1.5 V
t
PHL
t
PLH
1.5 V
5 V
10
µ
s
100
µ
s
1/f < 100
µ
s
+V
CC
V
O
15 pF
V
I
I
F
monitor
50
Ω
Fig. 1 Switching Times T
est Circuit and Waveforms
R
L
V
O
V
OL
+V
CC
V
O
A
B
+
V
FF
+-
V
CM
pulse generator
R
L
0 V
10 V
10 V
V
CM
V
O
V
O
5 V
V
OL
t
r
t
f
10%
90%
t
r
, t
f
= 8 ns
90%
10%
Fig. 2 T
ransient Immunity T
est Circuit and W
aveforms
switch at A:
I
F
= 0 mA
switch at B:
I
F
= 1.6 mA
I
F
+V
CC
V
O
R
L
Fig. 3 Logic Output Current T
est Circuit
working voltage
DS300400
6/04/01
4 OF 8
www
.fairchildsemi.com
8-PIN WIDE BODY
, HIGH-GAIN
OPT
OCOUPLERS
CNW138
CNW139
Fig.
4 LED Forward Current vs.
Forward
V
oltage
Fig.
6 Normalized Current
T
ransfer Ratio
vs.
Ambient
T
emperature
Fig.
7 Logic Low Supply Current vs.
Forward Current
FORW
ARD VOL
T
AGE - V
F
(V)
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
FORW
ARD CURRENT - I
F
(mA)
0.001
0.01
0.1
1
10
100
Fig.
5 Normalized Current
T
ransfer Ratio
vs.
Forward Current
FORW
ARD CURRENT - I
F
(mA)
0.1
1
10
NORMALIZED CURRENT
TRANSFER RA
TIO - CTR
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
T
A
= 25˚C
I
F
= 1.6mA
V
CC
= 4.5V
V
O
= 0.4V
T
A
=25˚C
Normalized to I
F
= 1.6mA
AMBIENT TEMPERA
TURE
- T
A
(˚C)
-50
-25
0
25
50
75
100
125
NORMALIZED CURRENT
TRANSFER RA
TIO
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
I
F
= 1.6mA
V
CC
= 4.5V
V
O
= 0.4V
Normalized to T
A
= 25˚C
FORW
ARD CURRENT - I
F
(mA)
0
5
10
15
20
25
30
35
40
45
50
LOGIC LOW SUPPL
Y CURRENT - I
CCL
(mA)
0
2
4
6
8
10
12
V
CC
= 18V
V
CC
= 5V
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.fairchildsemi.com
5 OF 8
6/04/01
DS300400
8-PIN WIDE BODY
, HIGH-GAIN
OPT
OCOUPLERS
CNW138
CNW139
Fig.
8 Logic High Output Current vs.
Ambient
Temperature
Fig.
10 Propagation Dela
y vs.
Ambient
Temperature
Fig.
11 Propagation Dela
y vs.
Ambient
Temperature
Fig.
12 Propagation Dela
y vs.
Ambient
Temperature
Fig.
9 Output Current vs.
Output
V
oltage
AMBIENT TEMPERA
TURE
- T
A
(
˚
C)
-50
-25
0
25
50
75
100
125
LOGIC HIGH OUTPUT CURRENT - I
OH
(µA)
0.001
0.01
0.1
1
10
100
V
CC
=
V
O
= 7V
V
CC
=
V
O
= 18V
AMBIENT TEMPERA
TURE
- T
A
(
˚
C)
-60
-40
-20
0
20
40
60
80
100
120
PROP
AGA
TION DELA
Y -
T
P
(µs)
0
10
20
30
40
50
I
F
= 0.5 mA
V
CC
= 5
V
R
L
= 4.7 kohm
T
PLH
T
PHL
AMBIENT TEMPERA
TURE
- T
A
(
˚
C)
-60
-40
-20
0
20
40
60
80
100
120
PROP
AGA
TION DELA
Y - T
P
(µs)
0
5
10
15
20
25
T
PHL
T
PLH
I
F
= 1.6 mA
V
CC
= 5
V
R
L
= 2.2 kohm
AMBIENT TEMPERA
TURE
- T
A
(
˚
C)
-60
-40
-20
0
20
40
60
80
100
120
PROP
AGA
TION DELA
Y -
T
P
(µs)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
T
PHL
T
PLH
I
F
= 12 mA
V
CC
= 5
V
R
L
= 270 ohm
OUTPUT VOL
T
AGE - V
O
(V)
012
OUTPUT CURRENT - I
O
(mA)
0
10
20
30
40
50
60
70
80
1 mA
2 mA
I
F
3 mA
V
cc
= 5V
T
A
= 25
˚
C
3.5 mA
4 mA
4.5 mA
I
F
= 5 mA
2.5 mA
1.5 mA
0.5 mA
DS300400
6/04/01
6 OF 8
www
.fairchildsemi.com
8-PIN WIDE BODY
, HIGH-GAIN
OPT
OCOUPLERS
CNW138
CNW139
P1-P3
P4-P6
P7-P8
CNW138
Mfr. #:
Buy CNW138
Manufacturer:
ON Semiconductor
Description:
OPTOCOUPLER DARLINGTON OUT 8DIP
Lifecycle:
New from this manufacturer.
Delivery:
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EMS
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