MAX490MJA - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX490MJA

Manufacturer

Analog Devices

Introduction

The MAX490MJA is a precision-engineered interface transceiver for RS422 and RS485 communication protocols.

Product Features and Performance

RS422/RS485 Transceiver

Full duplex communication capability

70 mV typical receiver hysteresis for improved noise immunity

High data rate up to 2.5Mbps

Single 5V power supply operation

Reliable operation over a wide temperature range of -55°C to +125°C

Product Advantages

Enhanced electrostatic discharge (ESD) protection

Low-power operation to minimize energy consumption

Designed for harsh industrial environments

Industry-standard CDIP package for through-hole mounting

Key Technical Parameters

Protocol compatibility: RS422, RS485

Number of Drivers/Receivers: 1/1

Duplex: Full

Receiver Hysteresis: 70 mV

Data Rate: 2.5Mbps

Voltage Supply Range: 4.75V to 5.25V

Operating Temperature Range: -55°C to +125°C

Mounting Type: Through Hole

Package/Case: 8-CDIP (0.300", 7.62mm)

Quality and Safety Features

Built-in thermal shutdown

Short-circuit protection

Exceeds industry standards for ESD immunity

Compatibility

Compliant with RS422 and RS485 standards

Interoperable with similar transceivers in mixed-network environments

Application Areas

Industrial control systems

Building automation

Networked communication for sensors and actuators

Data acquisition systems

Product Lifecycle

Active status indicates ongoing production and availability

No current indication of discontinuation

Options for future upgrades or replacements subject to technological advancements

Several Key Reasons to Choose This Product

High reliability under extreme environmental conditions

Fast data transfer rates suitable for modern applications

Supports complex and long-distance communication networks

Low power consumption for energy-efficient designs

Proven manufacturer with a strong reputation for quality products