Datasheet

MAX1481/MAX1484/MAX1485/MAX1486
Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited,
12Mbps, RS-485/RS-422 Transceivers in µMAX Package
_______________________________________________________________________________________ 9
1
2
3
4
5
1
9 A
R
t
R
t
10
0.1µF
5
GND
6 B
Z
7
8
Y
RO
RE
DE
DI
2
3
4
10
9
8
7
6
V
CC
A
Y
ZDI
DE
RE
RO
MAX1481
MAX1484
MAX1481
MAX1484
MAX1481
MAX1484
µMAX
TOP VIEW
BGND
8
4
10
0.1µF
5
GND
3
2
DI
DE
RE
RO
1
Y
Z
B
A
7
6
9
V
CC
V
CC
Figure 1. MAX1481/MAX1484 Pin Configuration and Typical Full-Duplex Operating Circuit
1
2
3
4
5
1
9 A
R
t
R
t
10
0.1µF
V
CC
5
GND
6 B
Z
7
8
Y
RO
H/F
DE
DI
2
3
4
10
9
8
7
6
V
CC
A
Y
ZDI
DE
H/F
RO
MAX1485
MAX1486
MAX1485
MAX1486
MAX1485
MAX1486
µMAX
TOP VIEW
BGND
8
4
10
0.1µF
V
CC
5
GND
3
2
DI
DE
H/F
RO
1
Y
Z
B
A
7
6
9
V
CC
V
CC
Figure 2. MAX1485/MAX1486 Pin Configuration and Equivalent Typical Full-Duplex Operating Circuit
1
2
3
4
5
1
8
Y
R
t
10
0.1µF
5
GND
7 Z
A
9
6
B
RO
H/F
DE
DI
2
3
4
10
9
8
7
6
V
CC
A
Y
ZDI
DE
H/F
RO
MAX1485
MAX1486
MAX1485
MAX1486
MAX1485
MAX1486
µMAX
TOP VIEW
BGND
R
t
8
4
10
0.1µF
5
GND
3
2
DI
DE
H/F
RO
1
Y
Z
7
9
A
B
6
V
CC
V
CC
Figure 3. MAX1485/MAX1486 Pin Configuration and Equivalent Typical Half-Duplex Operating Circuit