ADM2490EBRWZ

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ADM2490EBRWZ

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DGTL ISO 5KV 2CH RS422 16-SOIC

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Especificações

Atributo Valor
Series iCoupler®
Part Status Active
Technology Magnetic Coupling
Type RS422, RS485
Isolated Power No
Number of Channels 2
Inputs - Side 1/Side 2 1/1
Channel Type Unidirectional
Voltage - Isolation 5000Vrms
Common Mode Transient Immunity (Min) 25kV/µs
Data Rate 16Mbps
Propagation Delay tpLH / tpHL (Max) 60ns, 60ns
Voltage - Supply 3V, 5V
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Base Product Number ADM2490

Visão Geral

Description

The ADM2490EBRWZ is a high-performance, half-duplex, isolated RS-485/RS-422 transceiver designed by Analog Devices. It provides galvanic isolation between the logic input and output circuitry, which is essential for protecting data paths in electrically harsh or noisy environments. This device is well-suited for industrial automation, motor control, and process control applications, where reliable communication over long distances is required.
Key features include a data rate of 500 kbps, a high common-mode transient immunity, and a 5 V power supply. The ADM2490EBRWZ also offers fail-safe receiver inputs to prevent issues when the bus is idle or open, and thermal shutdown protection to avoid overheating. Its 16-lead, wide-body SOIC package makes it compact and easy to integrate into various systems. Overall, the ADM2490EBRWZ is valued for its robustness, reliability, and ability to maintain data integrity under challenging conditions.

Equivalent

The ADM2490EBRWZ is an isolated RS-485/RS-422 transceiver. Equivalent products include:
1. Texas Instruments ISO3086T: An isolated full-duplex RS-485 transceiver.
2. Maxim Integrated MAX14850: An isolated RS-485/422 transceiver.
3. Broadcom ACMD4805: An isolated RS-485 transceiver.
4. Silicon Labs SI8661: A digital isolator with RS-485 interface capabilities.
Ensure you verify specifications and compatibility to match your specific design requirements.

Features

The ADM2490EBRWZ is a signal isolation device designed for robust communication in industrial environments. It features:
1. Isolated RS-485/RS-422 Line Driver/Receiver: Provides galvanic isolation between the bus line transceiver and the logic interface.
2. High Data Rate: Supports data rates up to 16 Mbps, suitable for fast communications.
3. Isolation Voltage: Offers a high isolation voltage of 5 kVrms which enhances safety and protection from electrical surges.
4. Wide Supply Range: Compatible with a wide range of supply voltages, enhancing versatility in various applications.
5. Reduced EMI: Incorporates slew rate limited drivers to minimize electromagnetic interference (EMI).
6. Fail-Safe: Features a fail-safe receiver to ensure stable output in the absence of an input signal.
7. Thermal Shutdown Protection: Includes an over-temperature protection mechanism to prevent device damage during thermal overload.
8. Integrated IEC ESD Protection: Provides robust electrostatic discharge (ESD) protection compliant with IEC standards, ensuring durability.
These features make the ADM2490EBRWZ suitable for use in harsh industrial settings requiring reliable and safe data communication.

Manufacturer

The ADM2490EBRWZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company provides solutions for data conversion, signal processing, and power management technologies. Analog Devices' products are used in a wide range of applications, including industrial, automotive, consumer electronics, communications, and healthcare sectors.

Application

The ADM2490EBRWZ is an isolated RS-485 transceiver, often used in industrial and instrumentation applications where robust communication over long distances is required. Its key application areas include:
1. Industrial Automation: Facilitates reliable data transmission in factory automation and process control systems.
2. Power Systems: Used in smart grid and energy management for monitoring and control.
3. Building Automation: Supports communication in HVAC, lighting, and security systems.
4. Transportation: Enables communication in railway, automotive, and other vehicle systems.
5. Data Acquisition Systems: Ensures accurate data collection in distributed systems.
Its isolation feature enhances safety and noise immunity, making it ideal for harsh environments.

Package

The ADM2490EBRWZ is packaged in a 16-lead wide-body SOIC (Small Outline Integrated Circuit) package. This type of package offers a compact solution suitable for surface-mount technology, providing ease of integration into various electronic circuit designs.

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