Datasheet

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