ADM1485AN - Analog Devices Inc.

Manufacturer Part Number

ADM1485AN

Manufacturer

Analog Devices, Inc.

Introduction

The ADM1485AN is a single-channel, half-duplex, RS-485/RS-422 transceiver designed for multipoint data bus applications.

Product Features and Performance

Single-channel, half-duplex operation

Supports data rates up to 2.5 Mbps

Meets or exceeds EIA/TIA-485-A and EIA/TIA-422-B standards

Operates from a 4.75V to 5.25V power supply

High impedance state on power-down

Thermal shutdown protection

Slew-rate limited for EMI reduction

Fail-safe biasing on the receiver inputs

Product Advantages

Reliable and robust communication for industrial and commercial applications

Low power consumption

Compact 8-pin DIP package

Key Technical Parameters

Supply Voltage: 4.75V to 5.25V

Data Rate: Up to 2.5 Mbps

Receiver Input Voltage Range: -7V to +12V

Receiver Input Resistance: 12kΩ

Receiver Threshold Voltage: ±200mV

Quality and Safety Features

Thermal shutdown protection

Fail-safe biasing on the receiver inputs

Meets or exceeds industry standards for RS-485/RS-422 communication

Compatibility

The ADM1485AN is compatible with RS-485 and RS-422 communication protocols.

Application Areas

Industrial automation

Building automation

Instrumentation and control systems

Distributed control systems

Serial communication networks

Product Lifecycle

The ADM1485AN is an active product and is not nearing discontinuation. Replacement or upgrade products are available from Analog Devices.

Key Reasons to Choose This Product

Reliable and robust RS-485/RS-422 communication

High-speed data transfer up to 2.5 Mbps

Low power consumption

Compact 8-pin DIP package

Thermal shutdown and fail-safe protection

Compatibility with industry standards