Datasheet

Data Sheet ADM1490E/ADM1491E
Rev. D | Page 13 of 16
R
D
RO
RE
DI
DE
ADM1491E
ADM1491E
A
B
Z
Y
R
D
RO DIDE
A B Z Y
RE
R
D
RO
DI
DE
ADM1491E
MASTER SLAVE
SLAVE
A
B
Z
Y
RE
MAXIMUM NUMBER OF NODES = 32
ADM1491E
R
D
RO DIDE
A
B Z
Y
RE
SLAVE
NOTES
1. R
T
IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
R
T
07430-028
V
CC
V
CC
R
T
Figure 30. Typical RS-485 Full-Duplex Application