MAX490ESA+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX490ESA+T

Manufacturer

Analog Devices

Introduction

The MAX490ESA+T is a robust interface transceiver designed for RS422 and RS485 communication protocol applications, providing reliable data transmission at moderate speed.

Product Features and Performance

Full-duplex RS422/RS485 transceiver

Integrated receiver with 70 mV hysteresis for improved noise rejection

Supports data rates up to 2.5Mbps

Designed to operate from a single 5V power supply within a range of 4.75V to 5.25V

Supports hot-swapping and high impedance when powered down

Low quiescent current maximizes battery life in portable applications

Extended operating temperature range suitable for industrial environments

Product Advantages

Robust performance in industrial communication system applications

Improved noise rejection features promote reliable data transfer

Low power consumption suitable for power-sensitive applications

Full-duplex functionality allows simultaneous two-way communication

Convenient surface mount package for compact PCB designs

Key Technical Parameters

Protocol: RS422, RS485

Number of Drivers/Receivers: 1/1

Duplex: Full

Receiver Hysteresis: 70 mV

Data Rate: 2.5Mbps

Voltage - Supply: 4.75V ~ 5.25V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Quality and Safety Features

Built according to stringent quality controls and safety standards

Over-temperature protection

Short-circuit protection for driver outputs

Compatibility

Compatible with other devices adhering to RS422, RS485 protocols

Flexible for use in mixed-voltage systems

Application Areas

Industrial control systems

Building automation

Networked communication systems

Data acquisition units

Factory Automation

Product Lifecycle

Active product status with no current indication of discontinuation

Availability of potential future upgrades subject to manufacturer's discretion

Several Key Reasons to Choose This Product

High-speed data transfer capability suited for fast communication needs

Enhanced noise immunity features enable operation in electrically noisy environments

Low-power operation helps extend product life in battery-operated systems

Full-duplex capability facilitates bidirectional communication without switching

Reliable performance in a variety of harsh industrial temperatures

Convenient tape & reel packaging for automated assembly processes

Extended product lifecycle ensures long-term deployment and reduces redesign efforts