Datasheet

ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Rev. A | Page 9 of 20
TEST CIRCUITS AND SWITCHING CHARACTERISTICS
V
OC
R
L
/2
R
L
/2
Z
Y
V
OD
06284-007
Figure 7. Driver Differential Output Voltage and
Common-Mode Output Voltage
R
L
375
375
V
OD
V
CM
=
–7V TO +12V
D
V
CC
06284-008
Figure 8. Driver Differential Output Voltage with
Varying Common-Mode Voltage
V
OH
I
OH
(–)
V
ID
R
0
I
OL
(+)
V
OL
06284-009
Figure 9. Receiver Output Voltage High and Output Voltage Low
IN
OUT
+1.5V +1.5V
+3V
0V
 +2V
 –2V
t
DD
t
DD
t
TD
t
TD
50%50%
10%10%
90%90%
D
GENERATOR
1
V
CC
50
C
L
R
L
=
60
C
L
= 15pF
2
OUT
1
PPR = 250kHz, 50% DUTY CYCLE, t
R
 6.0ns, Z
O
= 50.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
06284-010
Figure 10. Driver Differential Output Delay and Transition Times
3V
0V
V
OH
V
OL
V
OH
V
OL
V
OM
V
OM
V
OM
V
OM
IN
Y
OUT
Z
OUT
1.5V 1.5V
t
PLH
t
PHL
t
PHL
t
PLH
D
V
OM
R
L
= 27
OUT
C
L
= 15pF
2
GENERATOR
1
V
CC
50
S1
V
OM
=
V
OH
+ V
OL
2
 1.5V
1
PPR = 250kHz, 50% DUTY CYCLE, t
R
 6.0ns, Z
O
= 50.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
06284-011
Figure 11. Driver Propagation Delays
D
OUT
C
L
= 50pF
2
GENERATOR
1
50
S1
V
OM
=
V
OH
+ V
OL
2
 1.5V
R
L
= 110
0V OR 3V
1
PPR = 250kHz, 50% DUTY CYCLE, t
R
 6.0ns, Z
O
= 50.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
0V
V
OH
0V
3V
1.5V1.5V
0.25V
IN
OUT
V
OM
t
PZH
t
PHZ
06284-012
Figure 12. Driver Enable and Disable Times (t
PZH
, t
PSH
, t
PHZ
)