Datasheet > 驱动程序和接口 > 线路驱动器或接收器> ADM483EAR

ADM483EAR

更新时间： 2024-09-30 22:23:55

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	327K
描述
+-15 kV ESD Protected, EMC Compliant Slew Rate Limited, EIA RS-485 Transceiver

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ADM483EAR 数据手册

؎15 kV ESD Protected, EMC Compliant

Slew Rate Limited, EIA RS-485 Transceiver

ADM483E

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Robust RS-485 Transceiver

15 kV ESD Protection Using HBM

2 kV EFT Protection Meets IEC1000-4-4

High EM Immunity Meets IEC1000-4-3

Reduced Slew Rate for Low EM Interference

250 kbps Data Rate

Single +5 V ؎ 10% Supply

–7 V to +12 V Bus Common-Mode Range

12 k⍀ Input Impedance

ADM483E

Short Circuit Protection

Excellent Noise Immunity

36 ␮A Supply Current

0.1 ␮A Shutdown Current

APPLICATIONS

Low Power RS-485 Systems

Electrically Harsh Environments

EMI Sensitive Applications

DTE-DCE Interface

Packet Switching

Local Area Networks

GENERAL DESCRIPTION

The input impedance on the ADM483E is 12 kΩ, allowing up

The ADM483E is a robust, low power differential line trans-

ceiver suitable for communication on multipoint bus transmis-

sion lines. Internal protection against electrostatic discharge

(ESD), electrical fast transient (EFT) and electromagnetic

immunity (EMI) allows operation in electrically harsh environ-

ments. ESD protection on the I-O lines meets ±15 kV when

tested using the Human Body Model. EFT protection meets

±2 kV in accordance with IEC1000-4-4, while EMI immunity is

in excess of 10 V/m meeting IEC1000-4-3.

to 32 transceivers on the bus.

The ADM483E operates from a single +5 V ± 10% power sup-

ply. 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 level of unwanted emissions is also carefully controlled

using slew limiting on the driver outputs. This reduces reflec-

tions with improperly terminated cables and also minimizes

electromagnetic interference. The controlled slew rate limits the

data rate to 250 kbps.

The ADM483E is fabricated on BiCMOS, an advanced mixed

technology process combining low power CMOS with robust

bipolar technology.

It is fully specified over the industrial temperature range and is

available in 8-lead DIP and SOIC packages.

The ADM483E is intended for balanced data transmission and

complies with both EIA Standards RS-485 and RS-422. It

contains a differential line driver and a differential line receiver

and is suitable for half duplex data transmission, as the driver

and receiver share the same differential pins.

REV. 0

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 617/329-4700

Fax: 617/326-8703

World Wide Web Site: http://www.analog.com

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中文翻译

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ADM483EAR 替代型号

型号	品牌	替代类型	描述	数据表
ADM483EARZ-REEL	ADI	完全替代	Â±15 kV ESD Protected, Slew Rate Limited, 5 V
ADM483EARZ	ADI	功能相似	Â±15 kV ESD Protected, Slew Rate Limited, 5 V
SN65HVD3082EDR	TI	功能相似	LOW-POWER RS-485 TRANSCEIVER

与ADM483EAR相关器件

型号	品牌	获取价格	描述	数据表
ADM483EAR-REEL	ADI	获取价格	Â±15 kV ESD Protected, Slew Rate Limited, 5 V
ADM483EARZ	ADI	获取价格	Â±15 kV ESD Protected, Slew Rate Limited, 5 V
ADM483EARZ1	ADI	获取价格	15,-15 kV ESD Protected, Slew Rate
ADM483EARZ-REEL	ADI	获取价格	Â±15 kV ESD Protected, Slew Rate Limited, 5 V
ADM483JR	ADI	获取价格	5 V Low Power, Slew-Rate Limited RS-485/RS-422 Transceiver
ADM483JR-REEL	ADI	获取价格	5 V Low Power, Slew-Rate Limited RS-485/RS-422 Transceiver
ADM483JR-REEL7	ADI	获取价格	5 V Low Power, Slew-Rate Limited RS-485/RS-422 Transceiver
ADM485	ADI	获取价格	+5 V Low Power EIA RS-485 Transceiver
ADM4850	ADI	获取价格	5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4850_12	ADI	获取价格	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers

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