Preliminary Technical Data
ADM3483/ADM3485/ADM3488/ADM3490
TEST CIRCUITS AND SWITCHING CHARACTERISTICS
Y
R
L
/2
V
OD
R
L
/2
Z
V
OC
D
GENERATOR
(NOTE 4)
50
V
CC
C
L
C
L
= 15pF (NOTE 5)
C
L
R
L
=
60
OUT
Figure 3. Driver V
OD
and V
OC
IN
375
3V
1.5V
1.5V
0
t
DD
90%
t
DD
90%
2.0V
50%
10%
t
TD
D
V
CC
V
OD
R
L
V
CM
=
-7V to +12V
OUT
50%
10%
t
TD
-2.0V
375
Figure 6. Driver Differential Output Delay and Transition Times
Figure 4. Driver V
OD
with Varying Common-Mode Voltage
V
OM
R
L
= 27
OUT
=
C
L
15pF
(NOTE 5)
V
OH
+ V
OL
2
S1
D
V
ID
0
V
OL
I
OL
(+)
V
OH
I
OH
(-)
R
GENERATOR
(NOTE 4)
50
V
CC
V
OM
=
1.5V
3V
Figure 5. Receiver V
OH
and V
OL
IN
1.5V
1.5V
0V
t
PLH
Y
OUT
t
PHL
Z
OUT
V
OM
t
PHL
V
OH
V
OM
V
OL
t
PLH
V
OH
V
OM
V
OM
V
OL
Figure 7. Driver Propagation Delays
Rev.PrD | Page 7 of 14
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