MAX491EESD+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX491EESD+T

Manufacturer

Analog Devices

Introduction

The MAX491EESD+T is a robust transceiver module for RS422 and RS485 communication protocols, suitable for high-speed data transmission.

Product Features and Performance

Full-duplex RS422/RS485 transceiver

70 mV typical receiver hysteresis

5Mbps data rate capability

Single 5V supply operation ranging from 4.75V to 5.25V

Integrated protection features for rugged environments

Extended operating temperature range from -40°C to 85°C

Industry-standard 14-SOIC package for ease of surface mounting

Product Advantages

High-speed communication ideal for industrial applications

High receiver hysteresis improves noise immunity

Low power consumption enhances system efficiency

Reliable in harsh temperature environments

Compatible with multiple bus topologies

Key Technical Parameters

Number of Drivers/Receivers: 1/1

Duplex: Full

Data Rate: 2.5Mbps

Receiver Hysteresis: 70 mV

Voltage Supply: 4.75V ~ 5.25V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Integrated electrostatic discharge (ESD) protection

Over-temperature protection

Latch-up immunity

Compatibility

Compatible with RS422 and RS485 protocols

Suitable for interfacing with a wide range of microcontrollers and digital systems

Application Areas

Industrial control systems

Data acquisition systems

Building automation

Networked communication devices

Product Lifecycle

Product Status: Active

No immediate risk of discontinuation

Availability of replacements or upgrades maintained by Analog Devices

Several Key Reasons to Choose This Product

Offers high-speed, reliable data transmission for demanding applications

Provides increased noise immunity through hysteresis

Low operational supply voltage reduces power demands

Supports a broad temperature range, making it suitable for various environments

Backed by Analog Devices' reputation for quality and long-term availability