MAX1487CSA Datasheet, PDF (14/17 Pages) Maxim Integrated Products – Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers

MAX481/MAX483/MAX485/
MAX487–MAX491/MAX1487
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
A
RO
R
120Ω
RE
B
DE
DI
D
Z
120Ω
Y
Y
ZB
A
R
D
DI DE RE RO
NOTE: RE AND DE ON MAX489/MAX491 ONLY.
Figure 22. MAX488–MAX491 Full-Duplex RS-485 Network
RO
R
RE
DE
DI
D
MAX488–MAX491
A
120Ω
B
DATA IN
Z
120Ω
Y
DATA OUT
Y
120Ω
D
DI
Z
DE
B
120Ω
R
RE
RO
Y
ZB
A
A
R
D
MAX488–MAX491
DI
DE RE RO
Isolated RS-485
For isolated RS-485 applications, see the MAX253 and
MAX1480 data sheets.
NOTE: RE AND DE ON MAX489/MAX491 ONLY.
Figure 23. Line Repeater for MAX488–MAX491
14
Maxim Integrated