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| 型号： | ADM383 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | 5 V Low Power, Slew-Rate Limited RS-485/RS-422 Transceiver |
| 中文描述： | 5 V低功耗，摆率限制RS-485/RS-422收发器 |
| 文件页数： | 6/16页 |
| 文件大小： | 209K |
| 代理商： | ADM383 |
ADM483
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. 0 | Page 6 of 16
RO
1
RE
2
DE
3
DI
4
V
CC
B
8
7
A
6
GND
5
ADM483
TOP VIEW
(Not to Scale)
0
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
1
RO
Description
Receiver Output. When enabled, if A > B by 200 mV, then RO = high.
If A < B by 200 mV, then RO = low.
Receiver Output Enable. A low level enables the receiver output, RO.
A high level places it in a high impedance state.
Driver Output Enable. A high level enables the driver differential inputs A and B.
A low level places it in a high impedance state.
Driver Input. When the driver is enabled, a logic low on DI forces A low and B high,
while a logic high on DI forces A high and B low.
Ground.
Noninverting Receiver Input A/Driver Output A.
Inverting Receiver Input B/Driver Output B.
5 V Power Supply.
2
RE
3
DE
4
DI
5
6
7
8
GND
A
B
V
CC
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