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ADM2587EBRWZ

Isolated RS-485 transceiver, 2.5kV, 500kbps, iCoupler, SOIC-20W

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Pieza del fabricante：

ADM2587EBRWZ

Paquete：

SOIC-20W (wide)

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Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The ADM2587EBRWZ from Analog Devices is an isolated RS-485/RS-422 transceiver with integrated iCoupler digital isolation. Combining a transceiver, transformer driver, and isolation in a single SOIC-20W package, it provides 2.5kV isolation with no external components. Supports data rates up to 500kbps.

Especificaciones

Protocol RS-485 / RS-422
Velocidad de datos 500kbps
Tensión de aislamiento 2500V RMS (1 minute)
Supply (Logic Side) 3.3V or 5V (VDD)
Supply (Bus Side) 5V (VISO, internally generated)
ESD Protection +/-15kV HBM on bus pins
Common Mode Transient >25kV/us immunity
Paquete SOIC-20W (wide)
Temperatura de funcionamiento -40 to +85 C

Características

  • Integrated 2.5kV digital isolation (iCoupler)
  • No external isolation components required
  • Half-duplex RS-485 transceiver
  • +/-15kV ESD protection on bus pins
  • 3.3V or 5V logic-side supply
  • Thermal shutdown protection

Aplicaciones

  • Isolated industrial RS-485 networks
  • Modbus communication with ground loop isolation
  • Motor drive and PLC interfaces
  • Medical equipment data isolation

The ADM2587EBRWZ from Analog Devices is a fully isolated RS-485/RS-422 transceiver that integrates the transceiver, digital isolator, and isolated power into a single SOIC-20W package. Using ADI’s iCoupler technology, it provides 2.5kV RMS galvanic isolation between the logic and bus sides without requiring external optocouplers, transformers, or DC-DC converters. The internal isolated DC-DC converter generates the bus-side 5V supply from the logic-side 3.3V or 5V input. The RS-485 transceiver supports half-duplex communication at up to 500kbps. The +/-15kV ESD protection and >25kV/us common-mode transient immunity ensure robust operation in harsh industrial environments. The device is ideal for applications requiring ground loop elimination and high-voltage isolation, such as Modbus networks, motor drives, and medical equipment.

The ADM2587E uses ADI’s iCoupler technology, which replaces traditional optocouplers with micro-transformers fabricated on a single chip. High-speed digital signals are modulated, transmitted across the isolation barrier via the transformers, and demodulated on the other side. The internal DC-DC converter uses a similar transformer-based approach to generate the isolated bus-side 5V supply (VISO) from the logic-side VDD. The RS-485 transceiver on the bus side converts between the differential RS-485 bus signals and the isolated digital signals. When the driver is enabled, the TXD signal is transmitted across the isolation barrier and drives the A and B bus outputs differentially. When the receiver is enabled, the differential A/B signals are converted to a single-ended digital signal and transmitted back across the isolation barrier to RXD. The 2.5kV isolation rating ensures safety and eliminates ground loops between system nodes.

Pin Nombre Función
1 VDD Logic-side supply (3.3V or 5V)
2 RXD Receive data output (isolated)
3 DE Driver enable (active high)
4 RE Receiver enable (active low)
5 TXD Transmit data input (isolated)
6 GND1 Logic-side ground
7-10 NC Not connected (isolation gap)
11 GND2 Bus-side ground (isolated)
12 B RS-485 bus inverting line
13 A RS-485 bus non-inverting line
14 VISO Isolated 5V output (bus-side supply)
15-20 NC/GND2 Not connected / bus-side ground
  • Isolated Modbus RS-485 networks with 2.5kV ground loop elimination
  • Motor drive communication interfaces requiring >25kV/us common-mode immunity
  • Medical equipment RS-485 data links with galvanic isolation
  • Industrial PLC I/O modules with single-package isolated transceiver
Modelo Fabricante Diferencia clave
ADM2582EBRWZ ADI 16Mbps, higher speed version
ISO1176DWR TI Isolated RS-485, 40Mbps, external supply
MAX14850 Maxim Isolated RS-485, 25Mbps
SN65HVD1782 TI Non-isolated, 3.3V, higher speed
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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Local pickup service is available for customers in Shenzhen and surrounding areas:
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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