Datasheet > ADM3078E_15

ADM3078E_15

更新时间： 2024-09-26 00:54:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	528K
描述
Full-Duplex, RS-485/RS-422 Transceivers

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中文翻译

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数据手册

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ADM3078E_15 数据手册

3.3 V, ± ±1 ꢀV ꢁESD-Proteotꢂ, ꢃHalD Hꢄꢂ

FuaaDSupatx, RED481/RED422 TPHꢄsetivtPs

ASM3070ꢁ/ASM307±ꢁ/ASM3072ꢁ/ASM3073ꢁ/ASM3074ꢁ/ASM3071ꢁ/ASM3076ꢁ/ASM3077ꢁ/ASM3078ꢁ

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

TIA/EIA RS-485/RS-422 compliant

15 kV ESD protection on RS-485 input/output pins

Data rates

ADM3070E/

ADM3073E/

ADM3076E

ADM3070E/ADM3071E/ADM3072E: 250 kbps

ADM3073E/ADM3074E/ADM3075E: 500 kbps

ADM3076E/ADM3077E/ADM3078E: 16 Mbps

Half- and full-duplex options

True fail-safe receiver inputs

Up to 256 nodes on the bus

−40°C to +125°C temperature option

GND

Hot-swap input structure on DE and

Reduced slew rates for low EMI

pins

Figure 1.

Low power shutdown current (all except ADM3071E/

ADM3074E/ADM3077E)

Outputs high-Z when disabled or powered off

Common-mode input range: −7 V to +12 V

Thermal shutdown and short-circuit protection

8-lead and 14-lead narrow SOIC packages

ADM3071E/

ADM3074E/

ADM3077E

APPLICATIONS

Power/energy metering

Industrial control

Lighting systems

GND

Figure 2.

Telecommunications

Security systems

Instrumentation

ADM3072E/

ADM3075E/

ADM3078E

GENERAL DESCRIPTION

The ADM307xE are 3.3 V, low power data transceivers with

15 kV ESD protection suitable for full- and half-duplex

communication on multipoint bus transmission lines. They

are designed for balanced data transmission, and they comply

with TIA/EIA standards: RS-485 and RS-422.

The devices have a ⅛ unit load receiver input impedance, which

allows up to 256 transceivers on a bus. Because only one driver

should be enabled at any time, the output of a disabled or powered-

down driver is tristated to avoid overloading the bus.

GND

Figure 3.

The receiver inputs have a true fail-safe feature, which eliminates

the need for external bias resistors and ensures a logic high

output level when the inputs are open or shorted. This guar-

antees that the receiver outputs are in a known state before

communication begins and when communication ceases.

Rev. E

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 www.analog.com

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与ADM3078E_15相关器件

型号	品牌	获取价格	描述	数据表
ADM3078EARZ	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM3078EARZ-REEL7	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM3078EYRZ	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM3078EYRZ-REEL7	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM307EARZ	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM307EARZ-REEL7	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM307EYRZ	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM307EYRZ-REEL7	ADI	获取价格	3.3 V, 【15 kV ESD-Protected, Half- and Full-D
ADM3082	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV
ADM3082AN	ADI	获取价格	High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV

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