LTM2881IY-5#PBF

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LTM2881IY-5#PBF

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DG ISO 2.5KV 2CH RS422 32-BBGA

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規格

屬性 價值
Series µModule®
Part Status Active
Technology Magnetic Coupling
Type RS422, RS485
Isolated Power Yes
Number of Channels 2
Inputs - Side 1 / Side 2 1/1
Channel Type Unidirectional
Voltage - Isolation 2500Vrms
Common Mode Transient Immunity (Min) 30kV/µs
Data Rate 20Mbps
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 32-BBGA Module
Supplier Device Package 32-BGA (15x11.25)
Base Product Number LTM2881

概述

Description

The LTM2881IY-5#PBF is an isolated RS485/RS422 transceiver module designed by Analog Devices. It provides galvanic isolation for data communication systems, ensuring signal integrity and protection against ground loops, noise, and voltage spikes. This device combines a complete transceiver with an isolated DC/DC converter, allowing for a single power supply on the logic side while delivering isolated power to the bus side.
Key features of the LTM2881IY-5#PBF include a 5V operation, high data rates up to 20Mbps, and an isolation voltage of 2500VRMS. It supports full-duplex operation and is compliant with TIA/EIA-485-A and TIA/EIA-422-B standards. The module is housed in a compact BGA package, facilitating easy integration into space-constrained applications.
This transceiver is ideal for industrial automation, communication systems, and any application requiring robust, isolated data communication. It simplifies designs by integrating multiple functions into a single module, reducing component count and board space, while enhancing system reliability and performance.

Equivalent

The LTM2881IY-5#PBF is an isolated RS-485/RS-422 transceiver with power. Equivalent products include Analog Devices ADM2483, Texas Instruments ISO3086, and Silicon Labs SI8621. These alternatives offer similar features, such as isolated communication interfaces and integrated power solutions, but specifications in terms of isolation rating, data rate, and power supply might vary. Always compare specific requirements to ensure compatibility with your application.

Features

The LTM2881IY-5#PBF is an isolated RS485/RS422 transceiver module known for its robust features, including:
1. Isolation: Provides up to 2.5kV RMS of galvanic isolation between the logic interface and the bus transceiver, enhancing safety and reducing ground loop issues.
2. Power: Includes an integrated DC/DC converter to supply isolated power, eliminating the need for an external power supply for the isolated side.
3. Data Rates: Capable of data rates up to 20Mbps, supporting high-speed communication.
4. Failsafe Receiver: Ensures reliable operation when the bus is idle, shorted, or terminated but not actively driven.
5. ESD Protection: Offers robust ESD protection up to ±15kV on the bus pins, ensuring durability in harsh environments.
6. EMI Performance: Designed for low electromagnetic interference, suitable for sensitive applications.
7. Temperature Range: Operates across an industrial temperature range, ensuring reliability in varied conditions.
8. Packaging: Available in a compact surface-mount BGA package, facilitating easy integration into printed circuit boards.
This combination of features makes the LTM2881IY-5#PBF ideal for industrial, automotive, and instrumentation applications where isolation and high performance are required.

Pinout

The LTM2881IY-5#PBF is an isolated RS485/RS422 transceiver module with an integrated DC/DC converter. It is designed to simplify isolated communication setups, offering signal isolation and power across the isolation boundary in a single solution.
The module comes in a 32-pin BGA (Ball Grid Array) package. Key functions include:
1. Isolation: Provides up to 2.5kV RMS of isolation between logic interface and bus transceiver.
2. Transceiver: Supports RS485 and RS422 communication protocols, allowing for half-duplex data transmission.
3. Integrated DC/DC Converter: Supplies isolated power to the bus side of the module, eliminating the need for an external isolated power supply.
4. ESD Protection: Integrated ESD protection up to ±15kV for the differential bus pins.
The LTM2881IY-5#PBF is ideal for applications requiring robust communication over long distances in noisy environments, such as industrial control systems and instrumentation. It simplifies design and reduces component count by integrating multiple functions into a single package.

Manufacturer

The LTM2881IY-5#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in designing and manufacturing a wide range of integrated circuits and electronic components. It focuses on signal processing technology and produces products used in various applications, including industrial, automotive, communications, healthcare, consumer electronics, and more. The company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.

Application

The LTM2881IY-5#PBF is an isolated RS485/RS422 transceiver module designed for robust communication in industrial and harsh environments. Its application areas include:
1. Industrial Automation: Facilitates reliable data communication between controllers and remote sensors or actuators.
2. Data Acquisition Systems: Ensures noise-immune data transfer from various instruments and sensors.
3. Building Automation: Supports systems like HVAC control and security systems with isolated communication lines.
4. Energy Management: Used in smart grid applications for secure and isolated data transmission.
5. Medical Equipment: Provides safe isolation to prevent patient and equipment interaction in sensitive healthcare scenarios.
6. Transportation: Enhances communication in vehicle networks where electrical isolation is crucial.
These applications benefit from the module's galvanic isolation, ESD protection, and noise immunity.

Package

The LTM2881IY-5#PBF is a µModule isolator with isolated power. It is typically used for isolated communication interfaces. The package type for this component is a 15mm x 11.25mm surface-mount BGA (Ball Grid Array).

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