ADM3491ARZ-1 - Analog Devices Inc.

Manufacturer Part Number

ADM3491ARZ-1

Manufacturer

Analog Devices, Inc.

Introduction

The ADM3491ARZ-1 is a high-speed, half-duplex, differential bus transceiver designed for use in RS-422 and RS-485 applications.

Product Features and Performance

High-speed operation up to 20Mbps

Wide supply voltage range of 3V to 3.6V

Receiver hysteresis of 50mV

Supports full-duplex, half-duplex, and multi-drop bus configurations

Thermal shutdown protection

Short-circuit current limiting

Product Advantages

Robust design for reliable operation

High data rate for fast communication

Wide operating temperature range of -40°C to 85°C

Low power consumption

Key Technical Parameters

Voltage Supply: 3V to 3.6V

Duplex: Full

Number of Drivers/Receivers: 1

Protocol: RS-422, RS-485

Receiver Hysteresis: 50mV

Data Rate: 20Mbps

Type: Transceiver

Quality and Safety Features

RoHS3 compliant

Thermal shutdown protection

Short-circuit current limiting

Compatibility

Suitable for a variety of industrial, commercial, and transportation applications that require RS-422 or RS-485 communication

Application Areas

Industrial automation and control systems

Building automation and security systems

Transportation systems (e.g., trains, buses)

Medical equipment

Telecommunications equipment

Product Lifecycle

The ADM3491ARZ-1 is an active product and is not nearing discontinuation.

Replacement or upgrade options may be available from Analog Devices, Inc.

Key Reasons to Choose This Product

High-speed, reliable performance up to 20Mbps

Wide operating temperature range of -40°C to 85°C

Robust design with thermal shutdown and short-circuit protection

Low power consumption

Compatibility with RS-422 and RS-485 protocols

Availability of replacement or upgrade options from the manufacturer