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11
Figure 7. Propagation Delay vs.
Temperature.
Figure 8. Propagation Delay vs. Input
Diode Forward Current.
Figure 6. Propagation Delay to Logic
Low vs. Pulse Period.
Figure 4. Input Diode Forward
Current vs. Forward Voltage.
Figure 5. Supply Current per
Channel vs. Input Diode Forward
Current.
Figure 1. DC Transfer Characteristics.
Figure 2. Current Transfer Ratio vs.
Forward Current.
Figure 3. Output Current vs. Input
Diode Forward Current.
01
2
VO – OUTPUT VOLTAGE – V
I
O
–
OUTPUT
CURRENT
–
mA
60
30
0
IF = 5.0 mA
IF = 4.5 mA
IF = 4.0 mA
IF = 3.5 mA
IF = 1.0 mA
TA = 25° C
VCC = 5.0 V
IF = 0.5 mA
IF = 1.5
mA
IF = 2.0
mA
IF = 2.5
mA
IF = 3.0
mA
IF – FORWARD CURRENT – mA
2500
2000
1000
500
0.1
1.0
CTR
–
CURRENT
TRANSFER
RATIO
–
%
10
1500
0
VCC = 5.0 V
VO = 0.4 V
TA = 25° C
TA = 0° C
TA = 70° C
TA = 85° C
TA = -40° C
IF – INPUT DIODE FORWARD CURRENT – mA
100
10
0.1
1
10
I
O
–
OUTPUT
CURRENT
–
mA
1.0
TA = 85° C
TA = 25° C
TA = -40° C
VCC = 5.0 V
VO = 0.4 V
IF – INPUT DIODE FORWARD CURRENT – mA
50
40
20
10
02
4
6
t
P
–
PROPAGATION
DELAY
–
s
10
8
30
0
60
VCC = 5 V
TA = 25° C
70
tPHL RL= 2.2 k OR 4.7 k
tPLH RL= 4.7 k
tPLH RL= 2.2 k
050
TA – TEMPERATURE – °C
t P
–
PROPAGATION
DELAY
–
s
18
0
10
20 30 40
60
70 80
90
6
12
15
21
24
27
30
33
36
HCPL-2731/0731
(IF = 0.5 mA, RL = 4.7 k)
HCPL-2730/0730
(IF = 1.6 mA, RL = 2.2 k)
tPHL
3
tPLH
tPHL
VF – FORWARD VOLTAGE – V
100
10
0.1
0.01
1.1
1.2
1.3
1.4
I F
–
FORWARD
CURRENT
–
mA
1.6
1.5
1.0
0.001
1000
IF
T = 25°C
A
–
VF
+
IF – INPUT DIODE FORWARD CURRENT – mA
100
10
0.1
1.0
I
CC
(PER
CHANNEL)
–
SUPPLY
CURRENT
–
mA
10
1.0
TA = 25° C
100
0.1
HCPL-2731
VCC= 18 V
HCPL-2730
HCPL-2731
VCC = 7 V
T – INPUT PULSE PERIOD – ms
100
10
0.01
0.1
t
PHL
–
PROPAGATION
DELAY
TO
LOGIC
LOW
–
s
1.0
TA = 25° C
10
0.1
HCPL-2731/0731
IF = 0.5 mA
RL= 4.7 k
HCPL-2730/0730
HCPL-2731/0731
IF = 1.6 mA
RL= 2.2 k
0
VO
IF
VOL
tPHL
T
50 s
1.5 V
5 V