MAX487ECUA-T Maxim Integrated, MAX487ECUA-T Datasheet - Page 14

• Manufacturer Part Number: MAX487ECUA-T
• Description: RS-422/RS-485 Interface IC
• Manufacturer: Maxim Integrated

Specifications of MAX487ECUA-T

• Data Rate: 250 Kbps
• Operating Supply Voltage: 4.75 V to 5.25 V
• Supply Current: 0.4 mA
• Operating Temperature Range: 0 C to + 70 C
• Input Voltage: 4.75 V to 5.25 V
• Maximum Power Dissipation: 727 mW
• Output Voltage: - 8 V to + 12.5 V
• Product: RS-422/RS-485 Combination

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