MAX487ECUA-T Maxim Integrated, MAX487ECUA-T Datasheet - Page 8

• Manufacturer Part Number: MAX487ECUA-T
• Description: RS-422/RS-485 Interface IC
• Manufacturer: Maxim Integrated

Specifications of MAX487ECUA-T

• Data Rate: 250 Kbps
• Operating Supply Voltage: 4.75 V to 5.25 V
• Supply Current: 0.4 mA
• Operating Temperature Range: 0 C to + 70 C
• Input Voltage: 4.75 V to 5.25 V
• Maximum Power Dissipation: 727 mW
• Output Voltage: - 8 V to + 12.5 V
• Product: RS-422/RS-485 Combination

MAX487E–MAX491E/MAX1487E
8
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
Figure 1. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Pin Configuration and Typical Operating Circuit
Figure 2. MAX488E/MAX490E Pin Configuration and Typical Operating Circuit
Figure 3. MAX489E/MAX491E Pin Configuration and Typical Operating Circuit
TOP VIEW
TOP VIEW
TOP VIEW
N.C.
GND
GND
GND
V
RO
DE
RE
DI
RO
CC
RO
DE
DI
RE
DI
1
2
3
4
5
6
7
1
2
3
4
1
2
3
4
D
D
DIP/SO
DIP/SO
DIP/SO
R
R
R
D
14
13
12
11
10
9
8
8
7
6
5
8
7
6
5
V
N.C.
A
B
Z
Y
N.C.
A
B
Z
Y
V
B
A
GND
CC
CC
NC
RO
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
DI
1, 8, 13
RO
RO
DE
DI
RE
DI
TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
3
2
5
2
1
2
3
4
D
D
D
R
V
DE
CC
4 GND
4
3
1
RE
R
R
NOTE: TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
V
6, 7
CC
14
GND
5
6
8
7
9
10
12
11
7
6
8
5
0.1μF
Y
Z
B
A
B
A
Y
A
V
GND
Z
B
Rt
0.1μF
CC
Rt
Rt
0.1μF
MAX489E
MAX491E
MAX488E
MAX490E
MAX1487E
MAX481E
MAX483E
MAX485E
MAX487E
Rt
Rt
Rt
B
A
V
CC
GND
R
R
RE
R
GND
V
D
CC
DE
RE
DE
Maxim Integrated
D
D
DI
RO
RO
DI
RO
DI