DS8921AMX - Texas Instruments

Manufacturer Part Number

DS8921AMX

Manufacturer

Texas Instruments

Introduction

The DS8921AMX is a full-duplex, single-driver, single-receiver transceiver designed for RS-422 and RS-485 applications.

Product Features and Performance

Supports full-duplex, half-duplex, and multidrop bus operation

Operates from a single 4.5V to 5.5V power supply

Minimum bus load capacitance of 50pF

70mV receiver input hysteresis

Driver output slew rate control

Thermal shutdown protection

Supports 250kbps data rates

Product Advantages

Reliable and robust communication interface

Wide operating temperature range of 0°C to 70°C

Small 8-SOIC package for space-constrained designs

Thermal shutdown protection for safe operation

Key Technical Parameters

Operating Voltage: 4.5V to 5.5V

Duplex: Full

Number of Drivers/Receivers: 1

Protocol: RS-422, RS-485

Receiver Hysteresis: 70mV

Operating Temperature: 0°C to 70°C

Package: 8-SOIC

Quality and Safety Features

RoHS non-compliant

Thermal shutdown protection

Compatibility

The DS8921AMX is compatible with RS-422 and RS-485 communication standards.

Application Areas

Industrial automation

Building automation

Transportation systems

Medical equipment

Data communication systems

Product Lifecycle

The DS8921AMX is an active product, and Texas Instruments continues to provide support and availability. Replacement or upgrade options may be available.

Key Reasons to Choose This Product

Reliable and robust communication interface

Wide operating temperature range

Small and space-efficient 8-SOIC package

Thermal shutdown protection for safe operation

Supports high-speed data rates up to 250kbps