Datasheet > 驱动程序和接口 > 线路驱动器或接收器> ADM4852ARZ-REEL7

ADM4852ARZ-REEL7

更新时间： 2024-11-27 12:27:23

品牌	Logo	应用领域
亚德诺 - ADI		线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
16页	446K
描述
5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers

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ADM4852ARZ-REEL7 数据手册

5 V, Slew-Rate Limited, Half-Duplex and

Full-Duplex RS-485/RS-422 Transceivers

ADM4850/ADM4851/ADM4852/ADM4853/ADM4854/ADM4855/ADM4856/ADM4857

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

EIA RS-485-/RS-422-compliant

Data rate options

ADM4850/ADM4854: 115 kbps

ADM4850/ADM4851/

ADM4852/ADM4853

ADM4851/ADM4855: 500 kbps

ADM4852/ADM4856: 2.5 Mbps

ADM4853/ADM4857: 10 Mbps

Half- and full-duplex options

Reduced slew rates for low EMI

True fail-safe receiver inputs

5 μA (maximum) supply current in shutdown mode

Up to 256 transceivers on one bus

Outputs high-Z when disabled or powered off

−7 V to +12 V bus common-mode range

Thermal shutdown and short-circuit protection

Pin-compatible with the MAX308x

Specified over the −40°C to +85°C temperature range

Available in 8-lead SOIC, LFCSP, and MSOP packages

Qualified for automotive applications

GND

Figure 1.

ADM4854/ADM4855/

ADM4856/ADM4857

APPLICATIONS

Low power RS-485 applications

EMI-sensitive systems

DTE-DCE interfaces

Industrial control

GND

Packet switching

Figure 2.

Local area networks

Level translators

before communication begins and when communication ends.

The driver outputs are slew-rate limited to reduce EMI and data

errors caused by reflections from improperly terminated buses.

Excessive power dissipation caused by bus contention or by output

shorting is prevented with a thermal shutdown circuit.

GENERAL DESCRIPTION

The ADM4850/ADM4851/ADM4852/ADM4853/ADM4854/

ADM4855/ADM4856/ADM4857 are differential line transceivers

suitable for high speed half- and full-duplex data communication on

multipoint bus transmission lines. They are designed for balanced

data transmission and comply with EIA Standards RS-485 and

RS-422. The ADM4850/ADM4851/ADM4852/ADM4853 are half-

duplex transceivers that share differential lines and have separate

enable inputs for the driver and receiver. The full-duplex

The parts are fully specified over the commercial and industrial

temperature ranges and are available in 8-lead SOIC, LFCSP

(ADM4850/ADM4851/ADM4852/ADM4853), and MSOP

(ADM4850 only) packages.

ADM4854/ADM4855/ADM4856/ADM4857 transceivers have

dedicated differential line driver outputs and receiver inputs.

Table 1. Selection Table

Part No.

Half-/Full-Duplex

Data Rate

115 kbps

500 kbps

2.5 Mbps

10 Mbps

115 kbps

500 kbps

2.5 Mbps

10 Mbps

ADM4850

ADM4851

ADM4852

ADM4853

ADM4854

ADM4855

ADM4856

ADM4857

Half

Full

The parts have a 1/8-unit-load receiver input impedance, which

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

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

ered-down driver is three-stated to avoid overloading the bus.

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

a logic high output level when the inputs are open or shorted.

This guarantees that the receiver outputs are in a known state

Rev. D

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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ADM4852ARZ-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
ADM4857ARZ	ADI	完全替代	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers
ADM4853ARZ	ADI	完全替代	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers
ADM4852ARZ	ADI	完全替代	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers

与ADM4852ARZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADM4853	ADI	获取价格	5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4853_15	ADI	获取价格	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers
ADM4853ACP	ADI	获取价格	IC LINE TRANSCEIVER, DSO8, LFCSP-8, Line Driver or Receiver
ADM4853ACP-REEL	ADI	获取价格	5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4853ACP-REEL7	ADI	获取价格	5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4853ACPZ-REEL7	ADI	获取价格	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers
ADM4853AR	ADI	获取价格	5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4853AR-REEL	ADI	获取价格	5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4853AR-REEL7	ADI	获取价格	5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4853AR-REEL7	ROCHESTER	获取价格	LINE TRANSCEIVER, PDSO8, MS-012AA, SOIC-8

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