参数资料
型号: ADM489ABRMZ
厂商: Analog Devices Inc
文件页数: 14/16页
文件大小: 0K
描述: IC TXRX RS485/422 DIFF 10MSOP
标准包装: 50
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 4.5 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
ADM488A/ADM489A
Rev. A | Page 7 of 16
NC
1
RO
2
RE
3
DE
4
VCC
14
NC
13
A
12
B
11
DI
5
GND
6
GND
7
Z
10
Y
9
NC
8
NC = NO CONNECT
ADM489A
TOP VIEW
(Not to Scale)
08498-
004
Figure 4. ADM489A SOIC_N Pin Configuration
1
2
3
4
5
10
9
8
7
6
RE
DE
DI
GND
RO
A
B
Z
Y
VCC
ADM489A
TOP VIEW
(Not to Scale)
08498-
005
Figure 5. ADM489A MSOP Pin Configuration
Table 5. ADM489A Pin Function Descriptions
Pin No.
Mnemonic
Description
SOIC_N
MSOP
1, 8, 13
N/A1
NC
No Connect. No connections are required to this pin.
2
1
RO
Receiver Output. When enabled, if A > B by 200 mV, RO = high. If A < B by 200 mV, RO = low.
3
2
RE
Receiver Output Enable. A low level enables the receiver output, RO. A high level places the
ADM489A in a high impedance state.
4
3
DE
Driver Output Enable. A high level enables the driver differential outputs (Y and Z). A low level
places the ADM489A in a high impedance state.
5
4
DI
Driver Input. When the driver is enabled, a logic low on DI forces Y low and Z high, whereas a
logic high on DI forces Y high and Z low.
6, 7
5
GND
Ground Connection, 0 V.
9
6
Y
Noninverting Driver, Differential Output Y.
10
7
Z
Inverting Driver, Differential Output Z.
11
8
B
Inverting Receiver, Input B.
12
9
A
Noninverting Receiver, Input A.
14
10
VCC
Power Supply, 5 V ± 10%.
1
N/A means not applicable.
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