MAX490EESA - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX490EESA

Manufacturer

Analog Devices

Introduction

The MAX490EESA is an RS422/RS485 full duplex transceiver designed for communication applications.

Product Features and Performance

Full duplex RS422/RS485 transceiver

Data rate of 2.5Mbps

Receiver hysteresis of 70 mV for improved noise immunity

Operates from a single 5V supply

Designed for balanced data transmission

Low-power shutdown mode

Thermal shutdown protection

Product Advantages

Allows for high-speed communication in industrial environments

Enhanced ESD protection

Low quiescent current ideal for power-sensitive applications

Error-free communications up to 1200 meters

Key Technical Parameters

Protocol: RS422, RS485

Number of Drivers/Receivers: 1/1

Duplex: Full

Data Rate: 2.5Mbps

Voltage - Supply: 4.75V to 5.25V

Operating Temperature: -40°C to 85°C

Receiver Hysteresis: 70 mV

Quality and Safety Features

Built-in thermal shutdown

Short-circuit protection

Full fail-safe receiver

Compatibility

Compatible with RS422, RS485 standards

Mounting Type: Surface Mount

Package/Case: 8-SOIC

Supplier Device Package: 8-SOIC

Application Areas

Industrial control systems

Networking equipment

Telecommunications systems

Product Lifecycle

Product Status: Obsolete

Potential need to identify replacement or upgrade due to discontinuation

Key Reasons to Choose This Product

High-speed transmission capability up to 2.5Mbps

Operates efficiently in extreme temperature conditions

Low-power consumption suitable for power-sensitive designs

Industry-standard 8-SOIC surface-mount package for easy integration

Robustness in noisy industrial environments with 70 mV receiver hysteresis

Legacy device with proven performance in established systems