参数资料
型号: ADM3493ARZ
厂商: ANALOG DEVICES INC
元件分类: 通用总线功能
英文描述: 3.3 V Slew Rate Limited, Half Duplex RS-485/RS-422 Transceiver
中文描述: LINE TRANSCEIVER, PDSO8
封装: LEAD FREE, MS-012AA, SOIC-8
文件页数: 6/12页
文件大小: 233K
代理商: ADM3493ARZ
ADM3493
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. 0 | Page 6 of 12
RO
1
RE
2
DE
3
DI
4
V
CC
B
8
7
A
6
GND
5
ADM3493
TOP VIEW
(Not to Scale)
0
Figure 2. Pin Configuration
Table 4. . Pin Function Descriptions
Pin No.
1
Mnemonic
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. 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 Outputs A and B.
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. 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 and Noninverting Driver Output A.
Inverted Receiver Input B and Inverted Driver Output B.
Power Supply, 3.3 V ± 0.3 V.
2
RE
3
DE
4
DI
5
6
7
8
GND
A
B
V
CC
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