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MAX485ECSA+ 数据手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
接口芯片
封装:
SOIC-8
描述:
MAXIM INTEGRATED PRODUCTS MAX485ECSA+. 收发器, RS422/RS485 驱动器, 4.75V-5.25电源, SOIC-8
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MAX485ECSA+数据手册
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±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
MAX488E
MAX490E
TOP VIEW
1
2
3
4
RO
DI
GND
8
7
6
5
A
B
Z
Y
V
CC
DIP/SO
R
D
Rt
Rt
V
CC
5
6
7
8
RO
DI
GND
4
GND
DI
RO
3
2
A
B
Y
Z
V
CC
DR
R
D
1
0.1μF
NOTE: TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
MAX489E
MAX491E
DIP/SO
TOP VIEW
Rt
Rt
DE
V
CC
RE
GND
V
CC
RE
GND DE
RO
DI
9
10
12
11
B
A
Z
Y
0.1μF
5
RO
NC
DI
2
1, 8, 13
3 6, 7
144
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
N.C.
N.C.
A
B
Z
Y
N.C.
RO
RE
DE
DI
GND
GND
R
D
D
RD
R
Figure 2. MAX488E/MAX490E Pin Configuration and Typical Operating Circuit
Figure 3. MAX489E/MAX491E Pin Configuration and Typical Operating Circuit
MAX481E
MAX483E
MAX485E
MAX487E
MAX1487E
TOP VIEW
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
1
2
3
4
8
5
V
CC
0.1μF
GND
DI
DE
RE
RO
R
D
Rt
Rt
7
6
D
R
DE
RE
DI
RO
A
B
1
2
3
4
8
7
6
5
V
CC
B
A
GND
DI
DE
RE
RO
DIP/SO
R
D
B
A
Figure 1. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Pin Configuration and Typical Operating Circuit
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
8
Maxim Integrated
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