Datasheet

3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
V
CC
D
V
OD
V
OC
2
R
L
2
R
L
R
0V
V
OH
I
OH
(-)
I
OL
(+)
V
OL
V
ID
V
CC
D
V
OD
R
L
V
CM
=
-7V to +12V
375Ω
375Ω
V
CC
50Ω
R
L
=
60Ω
C
L
= 15pF (NOTE 5)
GENERATOR
(NOTE 4)
D
OUT
C
L
C
L
t
DO
t
TD
50%
1.5V
10%
OUT
IN
90%
50%
1.5V
10%
90%
3V
0V
≈ 2.0V
≈ -2.0V
t
DO
t
TD
Figure 4. Driver V
OD
and V
OC
Figure 7. Driver Differential Output Delay and Transition Times
Figure 6. Receiver V
OH
and V
OL
Figure 5. Driver V
OD
with Varying Common-Mode Voltage
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
8
Maxim Integrated