Datasheet

3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
120Ω
120Ω
R
D
RO
RE
DE
DI
A
B
Y
120Ω
120Ω
DI
DI DIRO RO
RO
DE DE
DE
RE
RE
RE
Z
Z
Z
Z
Y
Y
Y
AA
A
BB
B
D
D
D
R
R
R
MAX3488
MAX3490
MAX3491
NOTE: RE AND DE ON MAX3491 ONLY.
120Ω
120Ω
DATA IN
DATA OUT
R
D
RO
RE
DE
DI
A
B
Z
Y
MAX3488
MAX3490
MAX3491
NOTE: RE AND DE ON MAX3491 ONLY.
Figure 22. MAX3488/MAX3490/MAX3491 Full-Duplex RS-485 Network
Figure 23. Line Repeater for MAX3488/MAX3490/MAX3491
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
14
Maxim Integrated