DS8921MX - Texas Instruments

Manufacturer Part Number

DS8921MX

Manufacturer

Texas Instruments

Introduction

The DS8921MX is a differential line driver and receiver pair designed for balanced transmission lines and meets TIA/EIA-422-B, TIA/EIA-485-A specifications.

Product Features and Performance

Differential line driver and receiver pair

Compatible with TIA/EIA-422-B, TIA/EIA-485-A

Integrated protection against damage due to electrostatic discharge

Designed for multipoint transmission on long bus lines in noisy environments

Monolithic construction for increased reliability

Product Advantages

Ensures balanced data transmission

Enhances signal integrity in noisy environments

Improves protection and reliability

Supports full-duplex communication

Suitable for high-impedance bus applications

Key Technical Parameters

Protocol: RS422, RS485

Number of Drivers/Receivers: 1/1

Duplex: Full

Receiver Hysteresis: 70 mV

Voltage - Supply: 4.5V ~ 5.5V

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Meets or exceeds the requirements of TIA/EIA-422-B, TIA/EIA-485-A

Thermal shutdown protection

Lead-free and RoHS compliant

Compatibility

Intended for use in applications adhering to RS422 and RS485 protocols

Pin-compatible with multiple transceivers in similar packages

Application Areas

Telecommunications

Data networks

Industrial control systems

Building automation

Product Lifecycle

Obsolete

Manufacturers may offer direct replacements or suggest alternative models with compatible specifications

Key Reasons to Choose This Product

Robust and durable for industrial environments

Designed for long-distance and reliable communication

Supports high-speed data transmission

Resistant to electrostatic discharge

Easily integrated into existing systems with similar protocols