MAX3490ESA Maxim Integrated Products, MAX3490ESA Datasheet - Page 12

• Manufacturer Part Number: MAX3490ESA
• Description: RS-422/RS-485 Interface IC
• Manufacturer: Maxim Integrated Products

Specifications of MAX3490ESA

• Lead Free Status / Rohs Status: No

3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
Figure 15. MAX3485/MAX3490/MAX3491 Driver Propagation
Delay
Figure 17. MAX3483/MAX3488 Driver Propagation Delay
Figure 19. MAX3483/MAX3488 System Differential Voltage at
125kHz Driving 4000 ft of Cable
12
V
2V/div
1V/div
1V/div
5V/div
2V/div
5V/div
2V/div
1V/div
1V/div
Y
______________________________________________________________________________________
- V
RO
DI
DI
DI
Y
Z
Z
Y
Z
20ns/div
1 s/div
2 s/div
Figure 16. MAX3485/MAX3490/MAX3491 Receiver
Propagation Delay Driven by External RS-485 Device
Figure 18. MAX3483/MAX3488 Receiver Propagation Delay
Figure 20. MAX3485/MAX3490/MAX3491 System Differential
Voltage at 125kHz Driving 4000 ft of Cable
1V/div
1V/div
2V/div
V
5V/div
2V/div
5V/div
1V/div
1V/div
2V/div
Y
RO
- V
RO
B
A
RO
DI
B
A
Z
20ns/div
2 s/div
1 s/div