CTR – CURRENT TRANSFER RATIO – %
I
O
– OUTPUT CURRENT – mA
I
F
= 4.0 mA
I
F
= 3.5 mA
T
A
= 0° C
T
A
= 25° C
T
A
= 70° C
T
A
= 85° C
T
A
= -40° C
I
F
= 3.0 mA
I
F
= 2.5 mA
I = 2.0 mA
2000
1500
1000
500
0
0.1
I
O
– OUTPUT CURRENT – mA
60
I
F
= 5.0 mA
I
F
= 4.5 mA
V
CC
= 5.0 V
2500 V = 0.4 V
O
100
V
CC
= 5.0 V
V
O
= 0.4 V
10
T
A
= 85° C
T
A
= 25° C
T
A
= -40° C
1.0
30
F
I
F
= 1.5 mA
I
F
= 1.0 mA
I
F
= 0.5 mA
0
0
T
A
= 25° C
V
CC
= 5.0 V
1
V
O
– OUTPUT VOLTAGE – V
2
1.0
10
0.1
0.1
1
10
I
F
– FORWARD CURRENT – mA
I
F
– INPUT DIODE FORWARD CURRENT – mA
Figure 1. DC Transfer Characteristics.
Figure 2. Current Transfer Ratio vs.
Forward Current.
Figure 3. Output Current vs. Input
Diode Forward Current.
I
CC
(PER CHANNEL) – SUPPLY CURRENT – mA
1000
I
F
– FORWARD CURRENT – mA
100
T
A
= 25° C
100
t
PHL
– PROPAGATION DELAY
TO LOGIC LOW – µs
100
10
1.0
0.1
0.01
0.001
1.1
I
F
+
V
F
–
I
F
0
V
O
T
1.5 V
5V
50 µs
V
OL
T
A
= 25°C
t
PHL
10
HCPL-2731
V
CC
= 18 V
1.0
HCPL-2730
HCPL-2731
V
CC
= 7 V
0.1
0.1
1.0
10
100
10
HCPL-2731/0731
I
F
= 0.5 mA
R
L
= 4.7 kΩ
HCPL-2730/0730
HCPL-2731/0731
I
F
= 1.6 mA
R
L
= 2.2 kΩ
T
A
= 25° C
1.0
1.2
1.3
1.4
1.5
1.6
0.1
0.01
0.1
1.0
10
V
F
– FORWARD VOLTAGE – V
I
F
– INPUT DIODE FORWARD CURRENT – mA
T – INPUT PULSE PERIOD – ms
Figure 4. Input Diode Forward
Current vs. Forward Voltage.
Figure 5. Supply Current per
Channel vs. Input Diode Forward
Current.
Figure 6. Propagation Delay to Logic
Low vs. Pulse Period.
t
P
– PROPAGATION DELAY –
µs
t
P
– PROPAGATION DELAY – µs
36
33
30
27
24
21
18
15
12
9
6
3
0
70
HCPL-2731/0731
(I
F
= 0.5 mA, R
L
= 4.7 kΩ)
HCPL-2730/0730
(I
F
= 1.6 mA, R
L
= 2.2 kΩ)
60
50
V
CC
= 5 V
T
A
= 25° C
t
PHL
t
PLH
t
PLH
t
PHL
R
L
= 2.2 kΩ OR 4.7 kΩ
40
30
20
10
0
0
2
t
PLH
R
L
= 4.7 kΩ
t
PLH
R
L
= 2.2 kΩ
t
PHL
0 10 20 30 40 50 60 70 80 90
T
A
– TEMPERATURE –
°C
4
6
8
10
I
F
– INPUT DIODE FORWARD CURRENT – mA
Figure 7. Propagation Delay vs.
Temperature.
Figure 8. Propagation Delay vs. Input
Diode Forward Current.
1-118
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
