ADM3491AR Analog Devices Inc, ADM3491AR Datasheet - Page 16

• Manufacturer Part Number: ADM3491AR
• Description: 3V FULL DUPLEX RS 485 I.C.
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of ADM3491AR

• Rohs Compliant: NO
• Rohs Status: RoHS non-compliant
• 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

ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
RO
DI
ADM3488/
ADM3490
MASTER
D
R
ADM3488/
ADM3490
A
B
Z
Y
SLAVE
Figure 35. ADM3488/ADM3490 Full-Duplex Point-to-Point Applications
NOTES
1. R
RO
DI
Figure 34. ADM3488/ADM3490 Full-Duplex Daisy-Chain Network
RO
RE
DE
DI
T
IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
ADM3488/
ADM3490
A
MASTER
RO
R
ADM3491
D
D
R
B
R
Figure 36. Line Repeater for ADM3491
Z
DI
D
Rev. D | Page 16 of 20
A
B
Z
Y
Y
A
B
Y
Z
R
R
T
T
B
A
Y
Z
A
RO
DATA IN
DATA OUT
R
B
ADM3488/
ADM3490
SLAVE
R
D
Z
DI
D
Y
DI
RO
ADM3488/
ADM3490
SLAVE
Y
Z
B
A
ADM3488/
ADM3490
SLAVE
R
D
DI
RO