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參數(shù)資料
| 型號(hào)： | ADM3483E |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| 中文描述： | 3.3伏特，【15千伏ESD保護(hù)，半和全雙工，RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 503K |
| 代理商： | ADM3483E |
ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Rev. A | Page 8 of 20
RO
1
RE
2
DE
3
DI
4
V
CC
B
8
7
A
6
GND
5
ADM3483E/
ADM3486E
TOP VIEW
(Not to Scale)
0
V
CC
RO
1
2
DI
3
GND
4
A
8
B
7
Z
6
Y
5
ADM3488E/
ADM3490E
TOP VIEW
(Not to Scale)
0
NC
1
RO
2
RE
3
DE
4
V
CC
V
CC
A
14
13
12
B
11
DI
5
Z
10
GND
6
Y
9
GND
7
NC
NC = NO CONNECT
Figure 6. ADM3491E
Pin Configuration
8
ADM3491E
TOP VIEW
(Not to Scale)
0
Figure 4. ADM3483E/ADM3486E
Pin Configuration
Figure 5. ADM3488E/ADM3490E
Pin Configuration
Table 8. Pin Function Descriptions
ADM3483E/
ADM3486E
Pin No.
Pin No.
1
2
ADM3488E/
ADM3490E
ADM3491E
Pin No.
2
Mnemonic
RO
Description
Receiver Output. If A > B by 200 mV, RO is high; if A < B by 200 mV,
RO is low.
Receiver Output Enable. A low level enables the receiver output. A high
level places it in a high impedance state. If RE is high and DE is low, the
device enters a low power shutdown mode.
Driver Output Enable. A high level enables the driver differential A and B
outputs. A low level places it in a high impedance state. If RE is high and DE
is low, the device enters a low power shutdown mode.
Driver Input. With a half-duplex part when the driver is enabled, a logic low
on DI forces A low and B high; a logic high on DI forces A high and B low.
With a full-duplex part when the driver is enabled, a logic low on DI forces Y
low and Z high; a logic high on DI forces Y high and Z low.
Ground.
Noninverting Driver Output.
Noninverting Receiver Input A and Noninverting Driver Output A.
Noninverting Receiver Input A.
Inverting Driver Output.
Inverting Receiver Input B and Inverting Driver Output B.
Inverting Receiver Input B.
Power Supply, 3.3 V ± 0.3 V. Bypass V
CC
to GND with a 0.1 μF capacitor.
No Connect. Not internally connected. Can be connected to GND.
2
N/A
3
RE
3
N/A
4
DE
4
3
5
DI
5
N/A
6
N/A
N/A
7
N/A
8
N/A
4
5
N/A
8
6
N/A
7
1
N/A
6, 7
9
N/A
12
10
N/A
11
13, 14
1, 8
GND
Y
A
A
Z
B
B
V
CC
NC
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