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LTM2881MPY-3

Name: LTM2881MPY-3
Rating: 4.7 (12 reviews)

DG ISO 2.5KV 2CH RS422 32-BBGA

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規格

Series	µModule®
Part Status	Discontinued at Digi-Key
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	3V ~ 3.6V
Operating Temperature	-55°C ~ 105°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 LTM2881MPY-3 is a high-performance, isolated RS485/RS422 transceiver from Analog Devices, designed for robust data communication over long distances. It integrates a precision isolator and a low-power transceiver within a compact package, providing 5 kV of galvanic isolation, which protects against voltage spikes and noise.
Key features include low power consumption, high data rates up to 20 Mbps, and a wide operating temperature range. The device is particularly useful in industrial applications, automation, and remote sensor networks where noise immunity and reliability are critical.
The LTM2881MPY-3 is available in a small, thermally efficient 16-lead MSOP package, simplifying PCB layout and reducing system size. Its integrated design minimizes component count, making it ideal for space-constrained applications.
Overall, the LTM2881MPY-3 is an excellent choice for engineers seeking an isolated communication solution that ensures data integrity and operational reliability in electrically noisy environments.

Features

The LTM2881MPY-3 is a high-speed isolated RS-232 transceiver from Analog Devices. Key features include:
1. Isolation: Provides 2500 VRMS isolation for robust protection against voltage transients.
2. High Data Rate: Supports data rates up to 1 Mbps for efficient communication.
3. Integrated Power Management: Includes an integrated DC/DC converter that supplies both sides of the isolation barrier, eliminating the need for external power supply components.
4. Low Power Consumption: Operates with low power, enhancing energy efficiency.
5. Wide Operating Voltage: Supports a wide voltage range (3.0V to 5.5V) for flexibility in various applications.
6. Compact Package: Available in a compact 28-lead TSSOP package, allowing for space-constrained designs.
7. Robust ESD Protection: Features enhanced electrostatic discharge (ESD) protection, ensuring reliable operation in harsh environments.
These attributes make the LTM2881MPY-3 suitable for industrial automation, medical devices, and other isolated communication applications.

Package

The LTM2881MPY-3 is packaged in a 32-lead LQFP (Low Profile Quad Flat Package) with a 7mm x 7mm footprint. This type of package is designed for surface mounting and provides good thermal performance and ease of integration into printed circuit boards.

Pinout

The LTM2881MPY-3 is a microprocessor peripheral with a 16-pin TSSOP (Thin Shrink Small Outline Package) configuration.
This device is designed for isolating digital signals and provides a robust solution for isolating RS-232 and RS-485 communication interfaces. Key functions include:
1. Digital Signal Isolation: It effectively isolates high-speed digital signals to prevent ground loops and protect against voltage spikes.
2. Data Transmission: Supports full-duplex data transmission at speeds up to 1 Mbps.
3. Power Supply: It features a built-in isolated power supply, eliminating the need for an external isolator.
4. Low Power Consumption: Designed for low power usage, making it suitable for battery-powered applications.
Overall, the LTM2881MPY-3 is ideal for applications requiring reliable and safe data communication in electrically noisy environments.

Manufacturer

The LTM2881MPY-3 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts, specializing in data conversion, signal processing, and analog technology. The company develops a wide range of integrated circuits and systems for various applications, including communications, industrial automation, automotive, and healthcare. Known for its high-performance products, Analog Devices is a key player in the electronics industry, focusing on innovation and precision in analog and mixed-signal processing solutions.

Application

The LTM2881MPY-3 is a versatile isolated μModule® transceiver used primarily in industrial applications for RS-232 and RS-485 communication. Its application areas include data acquisition systems, remote monitoring, industrial automation, and process control. It is also suitable for medical devices and any system requiring robust isolation for noise immunity and safety, particularly in harsh electrical environments.

Equivalent

Equivalent products to the LTM2881MPY-3 include the Analog Devices ADM3251E and the Texas Instruments ISO1210. These options also provide isolated RS-485/RS-422 communication with integrated isolation features. Be sure to compare specifications like voltage levels, data rates, and isolation ratings for compatibility.