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ADM2487EBRWZ-REEL7

更新时间： 2024-09-27 03:35:19

品牌	Logo	应用领域
亚德诺 - ADI		变压器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
20页	550K
描述
2.5 kV Isolated RS-485 Transceivers with Integrated Transformer Driver

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2.5 kV Isolated RS-485 Transceivers with

Integrated Transformer Driver

ADM2482E/ADM2487E

FEATURES

FUNCTIONAL BLOCK DIAGRAM

DD2

D1 D2

DD1

Isolated RS-485/RS-422 transceivers, configurable as half

duplex or full duplex

OSC

Integrated oscillator driver for external transformer

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

Complies with TIA/EIA-485-A-98 and ISO 8482:1987(E)

Data rate: 500 kbps/16 Mbps

TxD

5 V or 3.3 V operation (V_DD1

256 nodes on bus

True fail-safe receiver inputs

)

RxD

2500 V rms isolation for 1 minute

Reinforced insulation 560 V peak

High common-mode transient immunity: >25 kV/μs

Thermal shutdown protection

Operating temperature range: −40°C to +85°C

Wide-body, 16-lead SOIC package

GND

Figure 1.

APPLICATIONS

Isolated RS-485/RS-422 interfaces

Industrial field networks

Multipoint data transmission systems

GENERAL DESCRIPTION

The ADM2482E/ADM2487E are isolated data transceivers with

±±1 ꢀV ESD protection and are suitable for high speed, half-

duplex or full-duplex communication on multipoint transmission

lines. For half-duplex operation, the transmitter outputs and

receiver inputs share the same transmission line. Transmitter

Output Pin Y is linꢀed externally to Receiver Input Pin A, and

Transmitter Output Pin Z to Receiver Input Pin B. The parts

are designed for balanced transmission lines and comply with

TIA/EIA- 481-A-98 and ISO 8482:±987(E).

power. The logic side of the device can be powered with either

a 1 V or a 3.3 V supply, and the bus side is powered with an

isolated 3.3 V supply.

The ADM2482E/ADM2487E driver has an active high enable,

and the receiver has an active low enable. The driver output

enters a high impedance state when the driver enable signal

is low. The receiver output enters a high impedance state when

the receiver enable signal is high.

The device has current-limiting and thermal shutdown features

to protect against output short circuits and situations where bus

contention might cause excessive power dissipation. The part is

fully specified over the industrial temperature range of −40°C to

+81°C and is available in a ±6-lead, wide-body SOIC pacꢀage.

The devices employ the Analog Devices, Inc., iCoupler®

technology to combine a 3-channel isolator, a three-state

differential line driver, and a differential input receiver into a

single pacꢀage. An on-chip oscillator outputs a pair of square

waveforms that drive an external transformer to provide isolated

Rev. 0

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

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ADM2487EBRWZ-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
ADM2487EBRWZ	ADI	类似代替	2.5 kV Isolated RS-485 Transceivers with Integrated Transformer Driver
ADM2482EBRWZ	ADI	类似代替	2.5 kV Isolated RS-485 Transceivers with Integrated Transformer Driver
ADM2482EBRWZ-REEL7	ADI	类似代替	2.5 kV Isolated RS-485 Transceivers with Integrated Transformer Driver

与ADM2487EBRWZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADM2490E	ADI	获取价格	High Speed, ESD-Protected, Full-Duplex, iCoupler, Isolated RS-485 Transceiver
ADM2490E_VA	ADI	获取价格	High Speed, ESD-Protected, Full-Duplex, iCoupler Isolated RS-485 Transceiver
ADM2490EBRWZ	ADI	获取价格	High Speed, ESD-Protected, Full-Duplex, iCoupler, Isolated RS-485 Transceiver
ADM2490EBRWZ-REEL7	ADI	获取价格	High Speed, ESD-Protected, Full-Duplex, iCoupler Isolated RS-485 Transceiver
ADM2490EBRWZ-REEL71	ADI	获取价格	High Speed, ESD-Protected, Full-Duplex, iCoupler, Isolated RS-485 Transceiver
ADM2491E	ADI	获取价格	High Speed, ESD-Protected, Half-/Full-Duplex, iCoupler Isolated RS-485 Transceiver
ADM2491EBRWZ	ADI	获取价格	High Speed, ESD-Protected, Half-/Full-Duplex Coupler Isolated RS-485 Transceiver
ADM2491EBRWZ-REEL7	ADI	获取价格	High Speed, ESD-Protected, Half-/Full-Duplex Coupler Isolated RS-485 Transceiver
ADM251-1/12VDC	ETC	获取价格	Analog IC
ADM251-1/24VDC	ETC	获取价格	Analog IC

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