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ADM3085

更新时间： 2024-09-24 22:39:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
14页	316K
描述
High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection

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数据手册

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ADM3085 数据手册

PRELIMINARY TECHNICAL DATA

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

TransceiverswithSlew-Rate-Limiting

and 15ꢀkꢁSꢂ ꢃrꢄtectiꢄn

AꢂM3082/AꢂM3085/AꢂM3088

FEATURES

GENERAL DESCRIPTION

Enhanced Slew Rate Limiting for Error-Free Data

Transmission

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).

Fail-Safe Receiver Operation while Maintaining

EIA/TIA-485 compatibility

Low-Current (1nA) Shutdown Mode

High Input Impedance — Up to 256 Transceivers on Bus

15ꢀk ESD ꢁrotection (Human Body Model) on

RS-485 I/O pins

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.

ꢁin-Compatible with Industry Standard 75176

AꢁꢁLICATIONS

Enhanced Replacement for Industry-Standard ꢁarts

EMI-SensitiveSystems

Level Translation

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 15kꢀ 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.

LANs for Industrial Control Applications

FUNCTIONAL BLOCK DIAGRAM

GND

ADM3082/ADM3085/ADM 3088

REV. PrA 02/02

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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与ADM3085相关器件

型号	品牌	获取价格	描述	数据表
ADM3085AN	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3085AR	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3085JN	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3085JR	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3088	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3088AN	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3088AR	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3088JN	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3088JR	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3095E	ADI	获取价格	4级EMC保护RS-485收发器，提供全面的±42 V故障保护

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