MAX3491ESD Maxim Integrated Products, MAX3491ESD Datasheet - Page 12

• Manufacturer Part Number: MAX3491ESD
• Description: IC TXRX RS485/422 10MBPS 14SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3491ESD

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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