Datasheet > 驱动程序和接口 > 线路驱动器或接收器> ADM3251E

ADM3251E

更新时间： 2024-10-01 04:04:35

品牌	Logo	应用领域
亚德诺 - ADI		驱动器
页数	文件大小	规格书
6页	131K
描述
Isolated Single Channel RS-232 Line Driver/Receiver

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中文翻译

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数据手册

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ADM3251E 数据手册

Isolated Single Channel RS-232

Line Driver/Receiver

Preliminary Technical Data

ADM3251E

FEATURES

FUNCTIONAL BLOCK DIAGRAM

460 kbps Data Rate

1 Tx and 1 Rx

Meets EIA-232E specifications

0.1uF charge pump capacitors

Integrated isolated dc-to-dc converter

ESD protection to IEC1000-4-2(801.2)

on R_INand T_OUTpins.

8kꢀ: contact discharge

1ꢁkꢀ: air gap discharge

Integrated isolated dc-to-dc converter

High common-mode transient immunity: >2ꢁkꢀ/us

Safety and regulatory approvals (pending)

UL recognition

ꢀDE certificate of conformity

20 Lead WSOIC package

APPLICATIONS

High noise data communications

Industrial Communications

Figure 1.

Industrial/Telecom Diagnostic Ports

GENERAL DESCRIPTION

Five external 0.1μF charge pump capacitors are used for the

voltage doubler/inverter permitting operation from a single

supply.

The ADM3251E is a high speed, single-channel RS-232

transceiver device that operates from a single power supply.

This device is ideally suited to operation in electrically harsh

environments or where RS-232 cables are frequently being

plugged/unplugged.

The ADM3251E conforms to the EIA-232E specifications and

operates at data rates up to 460 kbps.

The device is ideally suited to operation in electrically harsh

environments. RS-232 pins, R_INand T_OUTare protected against

electrostatic discharges (up to 15 kV ESD protection).

The ADM3251E incorporates dual-channel digital isolators with

isoPower integrated, isolated power. There is no requirement

for a separate isolated dc-to-dc converter as the ADM3251E has

a chip-scale dc-to-dc converter which is based on Analog

Devices, Inc. iCoupler® technology.

The ADM3251E is available in a 20 lead Wide Body SOIC

package.

Analog Devices’ chip-scale transformer iCoupler technology is

used both for the isolation of the logic signals as well as for the

dc-to-dc converter. The result is a small form factor, total

isolation solution.

Rev. PrA

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6

中文翻译

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与ADM3251E相关器件

型号	品牌	获取价格	描述	数据表
ADM3251E_1	ADI	获取价格	Isolated, Single-Channel RS-232 Line Driver/Receiver
ADM3251E_VE	ADI	获取价格	Isolated, Single-Channel RS-232 Line Driver/Receiver
ADM3251EARWZ	ADI	获取价格	Isolated, Single-Channel RS-232 Line Driver/Receiver
ADM3251EARWZ-REEL	ADI	获取价格	Isolated, Single-Channel RS-232 Line Driver/Receiver
ADM3252E	ADI	获取价格	Isolated, Dual Channel, RS-232 Line Driver/Receiver
ADM3252EABCZ	ADI	获取价格	Isolated, Dual Channel, RS-232 Line Driver/Receiver
ADM3260	ADI	获取价格	Hot Swappable, Dual I2C Isolators with Integrated DC-to-DC Converter
ADM3260ARSZ	ADI	获取价格	Hot Swappable, Dual I2C Isolators with Integrated DC-to-DC Converter
ADM3260ARSZ-RL7	ADI	获取价格	Hot Swappable, Dual I2C Isolators with Integrated DC-to-DC Converter
ADM32FSC-100M	TDK	获取价格	SMD/SMT 电感器(线圈)

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