Single-Channel: 6N138, 6N139 Dual-Channel: HCPL-2730, HCPL-2731 Low Input Current High Gain Split Darlington Optocouplers
Fig. 16 Logic Low Supply Current vs.
Input Diode Forward Current
(6N138 / 6N139 Only)
4.0
100
Fig. 17 Logic Low Supply Current vs.
Input Diode Forward Current
(HCPL-2730 / HCPL-2731 Only)
T
A
= 25˚C
I
CCL
- LOGIC LOW SUPPLY CURRENT (mA)
3.5
I
CCL
- LOGIC LOW SUPPLY CURRENT - mA
3.0
HCPL-2731
V
CC
= 18 V
10
HCPL-2730
HCPL-2731
V
CC
= 7 V
2.5
V
CC
= 5 V
2.0
V
CC
= 18 V
1.5
1
1.0
0.5
0.0
0
2
4
6
8
10
12
14
16
0.1
0.1
1
10
100
I
F
- FORWARD CURRENT (mA)
I
F
- INPUT DIODE FORWARD CURRENT - mA
Fig. 18 Propagation Delay vs. Input Diode Forward Current
(6N138 / 6N139 Only)
70
Fig. 19 Propagation Delay vs. Input Diode Forward Current
(HCPL-2730 / HCPL-2731 Only)
70
V
CC
= 5 V
T
A
= 25˚C
60
V
CC
= 5 V
T
A
= 25˚C
60
t
P
- PROPAGATION DELAY -
µs
50
t
P
- PROPAGATION DELAY -
µs
50
(t
PHL
) R
L
= 2.2 kΩ or 4.7 kΩ
40
(t
PHL
) R
L
= 2.2 kΩ or 4.7 kΩ
40
30
30
(t
PLH
) R
L
= 4.7 kΩ
20
(t
PLH
) R
L
= 2.2 kΩ
20
(t
PLH
) R
L
= 4.7 kΩ
10
10
(t
PLH
) R
L
= 2.2 kΩ
0
0
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
I
F
- INPUT DIODE FORWARD CURRENT - mA
I
F
- INPUT DIODE FORWARD CURRENT - mA
Fig. 20 Propagation Delay to Logic Low vs. Pulse Period
(6N138 / 6N139 Only)
100
Fig. 21 Propagation Delay to Logic Low vs. Pulse Period
(HCPL-2730 / HCPL-2731 Only)
100
t
PHL
- PROPAGATION DELAY to LOGIC LOW -
µs
6N139
I
F
= 0.5 mA
R
L
= 4.7 kΩ
10
t
PHL
- PROPAGATION DELAY to LOGIC LOW -
µs
10
HCPL-2731
I
F
= 0.5 mA
R
L
= 4.7 kΩ
6N138
I
F
= 1.6 mA
R
L
= 2.2 kΩ
1
1
HCPL-2730
HCPL-2731
I
F
=1.6 mA
R
L
= 2.2kΩ
T
A
= 25˚C
T
A
= 25˚C
0.1
0.01
0.1
1
10
0.1
0.01
0.1
1
10
T - INPUT PULSE PERIOD - ms
T - INPUT PULSE PERIOD - ms
9
Single-Channel: 6N138, 6N139 Dual-Channel: HCPL-2730, HCPL-2731 Rev. 1.0.0
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