ADM3082AR datasheet, PDF - EEWORLD Datasheet

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ADM3082AR: DescriptionHigh-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection; File Size172KB，14 Pages; ManufacturerADI; Websitehttps://www.analog.com

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ADM3082AR Overview

High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection

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PRELIMINARY TECHNICAL DATA

Low-Current (1nA) Shutdown Mode

High-Speed (10Mbps), Fail-Safe, RS-485/RS-422

Transceivers with Slew-Rate-Limiting

and ±15kV ESD Protection

ADM3082/ADM3085/ADM3088

GENERAL DESCRIPTION

FEATURES

Enhanced Slew Rate Limiting for Error-Free Data

Transmission

Fail-Safe Receiver Operation while Maintaining

EIA/TIA-485 compatibility

High Input Impedance — Up to 256 Transceivers on Bus

±15kV ESD Protection (Human Body Model) on

RS-485 I/O pins

Pin-Compatible with Industry Standard 75176

APPLICATIONS

Enhanced Replacement for Industry-Standard Parts

EMI-Sensitive Systems

Level Translation

LANs for Industrial Control Applications

The ADM3082/ADM3085/ADM3088 are high-speed

RS-485/RS-422 transceivers consisting of one driver and one

receiver per package. The devices feature fail-safe operation,

ensuring a logic-high receiver output when the receiver in-

puts are open-circuit or short-circuit. This guarantees that

the receiver output will be high if all the transmitters on a

terminated bus are disabled (high-impedance).

The ADM3082 has a slew-rate limited driver to minimize

electromagnetic interference (EMI) and reduce reflections

caused by incorrectly terminated cables. This allows error-

free transmission at data rates up to 115kbps.

The ADM3085 offers a higher slew rate allowing data rates

up to 500kbps, while the ADM3088 has a driver whose slew

rate is not limited, allowing data rates up to 10Mbps.

All devices in the family feature ±15kV electrostatic dis-

charge (ESD) protection and high receiver input imped-

ance (1/8 unit load), allowing up to 256 transceivers on

the bus. The devices have low current drain of 375µA un-

loaded, or fully loaded with the drivers disabled, and fea-

ture an ultra-low power (1nA) shutdown mode.

FUNCTIONAL BLOCK DIAGRAM

G ND

AD M 30 82/A D M 308 5/AD M 3088

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

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

Fax: 617/326-8703

ADM3082AR Related Products

	ADM3082AR	ADM3082JN	ADM3085JR	ADM3082JR	ADM3085	ADM3085AR	ADM3082AN
Description	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection

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