ADM2481BRWZ-RL7

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ADM2481BRWZ-RL7

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DG ISO 2.5KV 3CH RS422 16-SOIC

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Attribut Wert
Series iCoupler®
Part Status Active
Technology Magnetic Coupling
Type RS422, RS485
Isolated Power No
Number of Channels 3
Inputs - Side 1 / Side 2 2/1
Channel Type Bidirectional
Voltage - Isolation 2500Vrms
Common Mode Transient Immunity (Min) 25kV/µs
Data Rate 500kbps
Rise / Fall Time (Typ) 600ns, 600ns (Max)
Voltage - Supply 3.3V ~ 5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Base Product Number ADM2481

Übersicht

Description

The ADM2481BRWZ-RL7 is a high-performance, isolated RS-485/RS-422 transceiver designed for reliable data communication in industrial environments. It features signal and power isolation, providing protection against electrical noise and ensuring data integrity over long distances. The device offers a data rate of up to 500 kbps, making it suitable for a variety of applications requiring moderate-speed data transmission.
Key features include a 5 kV rms isolation barrier, fail-safe receiver inputs, and ±15 kV ESD protection, enhancing robustness and durability. It also supports half-duplex communication and has a low power consumption mode, contributing to energy efficiency. The ADM2481BRWZ-RL7 operates over a wide temperature range, making it suitable for harsh environments.
This transceiver is typically used in industrial automation, motor control, and other systems where reliable data transfer is critical. The device is packaged in a 16-lead wide body SOIC, allowing for easy integration into existing systems. It is part of Analog Devices' ADM family, known for quality and performance in communication interfaces.

Equivalent

The ADM2481BRWZ-RL7 is an isolated RS-485 transceiver. Equivalent products include:
1. Texas Instruments ISO3086T
2. Maxim Integrated MAX14850
3. Silicon Labs SI8621
4. Broadcom ACPL-M21L
5. NVE IL3585E
These alternatives offer similar isolation capabilities and data transmission features suitable for RS-485 communication applications. Always check specific data sheets to ensure full compatibility with your requirements.

Features

The ADM2481BRWZ-RL7 is a robust, high-speed digital isolator with integrated transceivers. Key features include:
1. Isolation: Offers galvanic isolation with a high common-mode transient immunity, making it suitable for harsh environments.
2. Data Rate: Supports data rates up to 16 Mbps, facilitating fast communication between systems.
3. Voltage Range: Operates within a wide supply voltage range of 3.0 V to 5.5 V, ensuring compatibility with various systems.
4. Bus Capabilities: Designed for EIA-485 and EIA-422 protocols, optimal for industrial applications.
5. Current Consumption: Low power consumption, making it energy efficient.
6. Protection: Includes thermal shutdown and short-circuit protection, enhancing reliability.
7. Integrated Features: Combines signal isolation and RS-485/RS-422 transceiver in a single package, reducing component count.
8. Package: Available in a 16-lead SOIC package, suitable for compact designs.
These features make the ADM2481BRWZ-RL7 ideal for industrial automation, motor control, and data communication applications requiring reliable isolation and high-speed data transfer.

Pinout

The ADM2481BRWZ-RL7 is a highly integrated isolated RS-485 transceiver. It is typically used in applications requiring isolated data transmission over long distances. The device is manufactured by Analog Devices and is housed in a 16-lead SOIC (Small Outline Integrated Circuit) package.
The pin count for the ADM2481BRWZ-RL7 is 16. The key functions of the pins include:
1. Power Supply Pins: VDD1 and VDD2 for the primary and secondary side power supplies.
2. Ground Pins: GND1 and GND2 for the primary and secondary side grounds.
3. Data Input/Output Pins: Includes TxD (Transmit Data Input) and RxD (Receive Data Output).
4. Control Pins: DE (Driver Enable) and RE (Receiver Enable) for enabling and disabling the driver and receiver.
5. Bus Pins: A and B for the differential bus lines.
6. Isolation Barrier: Provides isolation between the primary and secondary sides, protecting against high voltage transients.
This transceiver offers galvanic isolation, which is crucial for preventing ground loop currents and ensuring signal integrity in noisy industrial environments.

Manufacturer

The ADM2481BRWZ-RL7 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is recognized for its high-performance analog products, which are used in a variety of applications including industrial, automotive, communication, and consumer electronics. Analog Devices is particularly noted for its expertise in data conversion and signal processing technologies.

Application

The ADM2481BRWZ-RL7 is a robust, isolated RS-485/RS-422 transceiver designed for use in industrial and commercial applications requiring reliable data communication over long distances. Key application areas include industrial automation systems, building automation, motor control, process control, and isolated data communication interfaces in harsh environments. Its isolation capabilities make it suitable for breaking ground loops and protecting against high voltage transients, ensuring signal integrity and system reliability. Additionally, it can be used in energy systems and smart grid applications, where noise immunity and isolation are crucial.

Package

The ADM2481BRWZ-RL7 is a digital isolator with integrated RS-485/RS-422 transceiver. It comes in a wide-body SOIC (Small Outline Integrated Circuit) package, typically with 16 pins, and is designed for surface-mount technology.

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