NORMALIZED CURRENT TRANSFER RATIO
NORMALIZED CURRENT TRANSFER RATIO
I
OH
– LOGIC HIGH OUTPUT CURRENT – nA
HCPL-4504/0454
1.1
1.0
HCNW4504
1.05
NORMALIZED
I
F
= 16 mA
V
O
= 0.4 V
V
CC
= 5.0 V
T
A
= 25°C
10
4
10
3
10
2
10
1
10
0
10
-1
10
-2
-60 -40 -20
1.0
I
F
= 0 mA
V
O
= V
CC
= 5.0 V
0.9
NORMALIZED
I
F
= 16 mA
V
O
= 0.4 V
V
CC
= 5.0 V
T
A
= 25°C
0.95
0.8
0.7
0.9
0.6
-60 -40 -20 0
20 40 60 80 100 120
0.85
-60 -40 -20 0
20 40 60 80 100 120
0
20 40 60 80 100 120
T
A
– TEMPERATURE – °C
T
A
– TEMPERATURE – °C
T
A
– TEMPERATURE – °C
Figure 4. Current Transfer Ratio vs. Temperature.
Figure 5. Logic High Output Current
vs. Temperature.
I
F
0
V
O
V
THHL
V
CC
PULSE
GEN.
Z
O
= 50
Ω
t
r
= 5 ns
I
F
1
2
3
8
7
6
0.1µF
5
R
L
V
CC
V
THLH
V
OL
I
F
MONITOR
R
M
V
O
4
C
L
t
PHL
t
PLH
Figure 6. Switching Test Circuit.
V
CM
0V
t
r
10%
1
90%
90%
10%
t
f
B
A
3
4
V
FF
I
F
2
8
7
6
0.1µF
5
R
L
V
CC
V
O
V
O
SWITCH AT A: I
F
= 0 mA
V
O
SWITCH AT B: I
F
= 12 mA, 16 mA
V
CC
C
L
V
CM
+
–
PULSE GEN.
V
OL
Figure 7. Test Circuit for Transient Immunity and Typical Waveforms.
1-45
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
