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參數(shù)資料
| 型號(hào)： | ADM3491AR-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO14 |
| 封裝： | MS-012AB, SOIC-14 |
| 文件頁(yè)數(shù)： | 8/20頁(yè) |
| 文件大?。?/td> | 315K |
| 代理商： | ADM3491AR-REEL |
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ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Rev. B | Page 8 of 20
RO
1
RE
2
DE
3
DI
4
V
CC
B
8
7
A
6
GND
5
ADM3483/
ADM3485
TOP VIEW
(Not to Scale)
0
V
CC
RO
1
2
DI
3
GND
4
A
8
B
7
Z
6
Y
5
ADM3488/
ADM3490
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
8
NC = NO CONNECT
ADM3491
TOP VIEW
(Not to Scale)
0
Figure 4. ADM3483/ADM3485 Pin Configuration
Figure 5. ADM3488/ADM3490 Pin Configuration
Figure 6. ADM3491 Pin Configuration
Table 7. Pin Function Descriptions
ADM3483/ADM3485
Pin No.
1
ADM3488/ADM3490
Pin No.
2
ADM3491
Pin No.
2
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
Output A and Output 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. With a half-duplex part 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. With a full-duplex part 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.
Noninverting Driver Output.
Inverting Driver Output.
Noninverting Receiver Input A and Noninverting Driver
Output A.
Noninverting Receiver Input A.
Inverting Receiver Input B and Inverted Driver Output B.
Inverting Receiver Input B.
Power Supply (3.3 V ± 0.3 V).
No Connect.
2
N/A
3
RE
3
N/A
4
DE
4
3
5
DI
5
N/A
N/A
6
4
5
6
N/A
6, 7
9
10
N/A
GND
Y
Z
A
N/A
7
N/A
8
N/A
8
N/A
7
1
N/A
12
N/A
11
13, 14
1, 8
A
B
B
V
CC
NC
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相關(guān)代理商/技術(shù)參數(shù) |
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| ADM3491AR-REEL7 | 功能描述:IC TXRX RS-485 HS FD 3.3 14SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| ADM3491ARU | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADM3491ARU1 | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 16-Pin TSSOP |
| ADM3491ARU-1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADM3491ARU-1REEL | 功能描述:IC TXRX RS-485 HS 3.3V 16TSSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
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