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參數資料
| 型號： | ADM489AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO14 |
| 封裝： | MS-012AB, SOIC-14 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 212K |
| 代理商： | ADM489AR |
ADM488/ADM489
–4–
REV. 0
ADM488 PIN FUNCT ION DE SCRIPT IONS
Pin
Mnemonic
Function
1
2
V
CC
RO
Power Supply, 5 V
±
10%.
Receiver Output. When A > B by 200 mV,
RO = high. If A < B by 200 mV, RO = low.
Driver Input. A logic Low on DI forces Y low
and Z high while a logic High on DI forces Y
high and Z low.
Ground Connection, 0 V
Noninverting Driver, Output Y
Inverting Driver, Output Z
Inverting Receiver Input B
Noninverting Receiver Input A
3
DI
4
5
6
7
8
GND
Y
Z
B
A
ADM489 PIN FUNCT ION DE SCRIPT IONS
DIP/SOIC
Pin
T SSOP
Pin
Mnemonic
Function
1, 8, 13
2, 9, 10,
13, 16
3
NC
No Connect. No connections
are required to this pin.
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 outputs, Y and Z.
A low level places it in a high
impedance state.
Driver Input. When the
driver is enabled, a logic Low
on DI forces Y low and Z
high, while a logic High on
DI forces Y high and Z low.
Ground Connection, 0 V
Noninverting Driver
Output Y
Inverting Driver Output Z
Inverting Receiver Input B
Noninverting Receiver
Input A
Power Supply, 5 V
±
10%.
2
RO
3
4
RE
4
5
DE
5
6
DI
6, 7
9
7, 8
11
GND
Y
10
11
12
12
14
15
Z
B
A
14
1
V
CC
PIN CONFIGURAT IONS
8-Lead DIP/SO
1
2
3
4
8
7
6
5
TOP VIEW
(Not to Scale)
ADM488
V
CC
Y
Z
B
A
RO
DI
GND
14-Lead DIP/SO
14
13
12
11
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
NC = NO CONNECT
NC
B
A
NC
V
CC
RO
RE
DE
ADM489
NC
Y
Z
DI
GND
GND
16-Lead T SSOP
14
13
12
11
16
15
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
ADM489
NC = NO CONNECT
V
CC
NC
B
A
NC
NC
RO
RE
NC
Y
Z
DE
DI
GND
GND
NC
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM489AR-REEL | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 14-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:FULL DUPLEX,RS-485 TRANSCEIVER I.C. - Tape and Reel |
| ADM489AR-REEL7 | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 14-Pin SOIC N T/R |
| ADM489ARU | 制造商:Rochester Electronics LLC 功能描述:FULL DUPLEX,RS-485 TRANSCEIVER I.C. - Bulk |
| ADM489ARU-REEL | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 16-Pin TSSOP T/R 制造商:Analog Devices 功能描述:LINE TRNSCVR 1TR 1TX 1RX 16TSSOP - Tape and Reel |
| ADM489ARU-REEL7 | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 16-Pin TSSOP T/R |
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