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參數資料
| 型號： | ADM3485EAN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | ESD Protected, EMC Compliant, 3.3 V, 20 Mbps, EIA RS-485 Transceiver |
| 中文描述： | LINE TRANSCEIVER, PDIP8 |
| 封裝： | MO-095AA, PLASTIC, DIP-8 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 119K |
| 代理商： | ADM3485EAN |
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ADM3485E
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
ESD Protected, EMC Compliant, 3.3 V,
20 Mbps, EIA RS-485 Transceiver
FUNCTIONAL BLOCK DIAGRAM
ADM3485E
RO
RE
DE
DI
B
A
R
D
FEATURES
Operates with +3.3 V Supply
ESD Protection: 8 kV Meets IEC1000-4-2
EFT Protection: 2 kV Meets IEC1000-4-4
EIA RS-422 and RS-485 Compliant Over Full CM Range
19 k
Input Impedance
Up to 50 Transceivers on Bus
20 Mbps Data Rate
Short Circuit Protection
Specified Over Full Temperature Range
Thermal Shutdown
Interoperable with 5 V Logic
1 mA Supply Current
2 nA Shutdown Current
8 ns Skew
APPLICATIONS
Telecommunications
DTE-DCE Interface
Packet Switching
Local Area Networks
Data Concentration
Data Multiplexers
Integrated Services Digital Network (ISDN)
AppleTalk
Industrial Controls
GENERAL DESCRIPTION
The ADM3485E is a low power differential line transceiver
designed to operate using a single +3.3 V power supply. Low
power consumption makes it ideal for power sensitive applica-
tions. It is suitable for communication on multipoint bus trans-
mission lines. Internal protection against electrostatic discharge
(ESD) and electrical fast transient (EFT) allows operation in
electrically harsh environments.
It is intended for balanced data transmission and complies with
both EIA Standards RS-485 and RS-422. It contains a differen-
tial line driver and a differential line receiver, and is suitable for
half duplex data transfer.
The input impedance is 19 k
allowing up to 50 transceivers to
be connected on the bus.
Excessive power dissipation caused by bus contention or by
output shorting is prevented by a thermal shutdown circuit.
This feature forces the driver output into a high impedance
state if, during fault conditions, a significant temperature
increase is detected in the internal driver circuitry.
The receiver contains a fail-safe feature that results in a
logic high output state if the inputs are unconnected
(floating).
The ADM3485E is fabricated on BiCMOS, an advanced
mixed technology process combining low power CMOS
with fast switching bipolar technology.
The ADM3485E is fully specified over the industrial tem-
perature range and is available in 8-lead DIP and SOIC
packages.
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| ADM483EAN | +-15 kV ESD Protected, EMC Compliant Slew Rate Limited, EIA RS-485 Transceiver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM3485EANZ | 制造商:Rochester Electronics LLC 功能描述:3 VOLT RS-485 HIGH ESD I.C. - Bulk 制造商:Analog Devices 功能描述:TRANSCEIVER RS485/422 3.3V 3485 |
| ADM3485EAR | 功能描述:IC TX/RX RS-485 HS 3.3V 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:27 系列:- 類型:收發器 驅動器/接收器數:3/3 規程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC 包裝:管件 |
| ADM3485EAR-REEL | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:3 VOLT RS-485 HIGH ESD I.C. - Tape and Reel 制造商:Analog Devices 功能描述:IC TRANSCEIVER RS485 |
| ADM3485EAR-REEL7 | 功能描述:IC TXRX RS-485 HS 3.3V 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:121 系列:- 類型:收發器 驅動器/接收器數:1/1 規程: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 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
| ADM3485EARZ | 功能描述:IC TX/RX RS-485 HS 3.3V 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
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