MAX3443EASA+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX3443EASA+

Manufacturer

Analog Devices

Introduction

The MAX3443EASA+ is a robust RS422/RS485 transceiver from Analog Devices, designed to interface with data communication networks.

Product Features and Performance

Single Transceiver for RS422/RS485 communication protocol

Half-duplex communication support

Enhanced Receiver Hysteresis: 25mV for improved noise rejection

High Data Rate: up to 10Mbps for fast data transmission

Single 5V supply operation, with a range from 4.75V to 5.25V

Extended Operating Temperature: -40°C to 125°C enables use in harsh environments

ESD Protection: protects against electrostatic discharges

Thermal Shutdown: prevents damage from overheating

Product Advantages

High-speed data transmission capacity

Improved noise immunity with receiver hysteresis

Suitable for industrial temperature ranges

Reliable protection features for quality and safety

Key Technical Parameters

Voltage Supply: 4.75V ~ 5.25V

Operating Temperature: -40°C ~ 125°C

Data Rate: 10Mbps

Protocol Supported: RS422, RS485

Number of Drivers/Receivers: 1/1

Receiver Hysteresis: 25 mV

Duplex: Half

Mounting Type: Surface Mount

Package/Case: 8-SOIC

Quality and Safety Features

Built-in ESD protection

Thermal overload protection

Latch-Up Performance Meets 100mA per JESD 78, Class II

Compatibility

Interoperable with RS422 and RS485 standard networks

Can be used in existing RS422/RS485 communication infrastructures

Application Areas

Industrial Control Systems

Building Automation

Networked Security Systems

Data Communication Equipment

Product Lifecycle

Product Status: Active

Not reported as nearing discontinuation; legacy designs are typically supported or replaced

Several Key Reasons to Choose This Product

High data rates facilitate faster communications

Built-in safety features ensure long-term reliability

Suitable for operation in extreme temperatures, widening usage scenarios

Analog Devices' reputation for durable and robust components

Appropriate for both new designs and as a replacement in existing applications due to standard 8-SOIC footprint

Good ESD protection, reducing risk of damage during handling and operation

Backed by comprehensive technical support from Analog Devices