Datasheet

ADM488A/ADM489A
Rev. A | Page 12 of 16
08498-023
R
D
RO
RE
DI
DE
ADM488A
ADM488A
A
B
Z
Y
R
D
RO DIDE
A B Z
Y
RE
R
D
RO
DI
DE
ADM488A
MASTER SLAVE
SLAVE
A
B
Z
Y
RE
MAXIMUM NUMBER OF NODES = 32
ADM488A
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
V
CC
R
T
V
CC
Figure 21. Typical RS-485 Full-Duplex Application