±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
MAX481E/MAX483E/MAX485E/MAX487E–MAX491E/MAX1487E
A
B
500mV/div
500mV/div
B
RO
5V/div
A
5V/div
RO
25ns/div
25ns/div
Figure 19. MAX481E/MAX485E/MAX490E/MAX1487E Receiver
t
PHL
Figure 20. MAX481E/MAX485E/MAX490E/MAX491E/
MAX1487E Receiver t
PLH
A
B
500mV/div
500mV/div
B
RO
5V/div
A
5V/div
RO
200ns/div
200ns/div
Figure 21. MAX483E/MAX487E–MAX489E Receiver t
PHL
Figure 22. MAX483E/MAX487E–MAX489E Receiver t
PLH
DI
5V
0V
DI
5V
0V
1V
V
A
- V
B
0
-1V
5V
V
B
- V
A
0
-1V
DO
5V
0V
DO
0V
2µs/div
2µs/div
Figure 23. MAX481E/MAX485E/MAX490E/MAX491E/
MAX1487E System Differential Voltage at 110kHz Driving
4000ft of Cable
14
Figure 24. MAX483E/MAX1487E–MAX489E System Differential
Voltage at 110kHz Driving 4000ft of Cable
______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
