MAX491ESD+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX491ESD+

Manufacturer

Analog Devices

Introduction

The MAX491ESD+ is a robust RS422/RS485 transceiver designed to facilitate communication over long distances in noisy environments.

Product Features and Performance

Supports RS422 and RS485 protocols

Single driver and receiver in full-duplex configuration

Enhanced receiver sensitivity with 70 mV hysteresis for improved noise immunity

Capable of 2.5 Mbps data rate for high-speed communication

Designed for a supply voltage between 4.75V and 5.25V

Operational across a wide temperature range from -40°C to 85°C

Surface-mount package for compact and efficient PCB design

Product Advantages

High-speed data transmission capability

Improved noise immunity for reliable communication in industrial environments

Versatile power supply compatibility

Suitable for operation in extreme temperatures

Compact form factor for easy integration into a variety of 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

Package / Case: 14-SOIC

Mounting Type: Surface Mount

Quality and Safety Features

Built to meet high-quality standards of Analog Devices

Enhanced noise immunity ensures safe and error-free data communication

Compatibility

Compatible with RS422 and RS485 communication standards

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

Application Areas

Industrial control systems

Building automation

Networked communication systems

Data acquisition systems

Product Lifecycle

Product Status: Active

Not nearing discontinuation, ensuring long-term availability and support

Replacement and upgrade options available within Analog Devices’ product range

Several Key Reasons to Choose This Product

High data rate capacity for efficient communication

Enhanced noise immunity for use in industrial environments

Wide operating temperature range ensuring reliability in extreme conditions

Analog Devices' reputation for quality and reliability

Active product status with support and future availability assured