Manufacturer Part Number
ST485ABDR
Manufacturer
stmicroelectronics
Introduction
The ST485ABDR is a high-speed transceiver designed for RS422 and RS485 communications, available in a surface-mount package and suitable for a variety of digital communication applications.
Product Features and Performance
Supports RS422 and RS485 protocols
Features a half-duplex communication interface
Offers receiver hysteresis of 70 mV for improved noise immunity
Supports a data rate up to 50Mbps, enabling high-speed data transmission
Operates within a 4.5V to 5.5V supply voltage range
Designed for operating temperatures from -40°C to 85°C
Packaged in a compact 8-SOIC format for efficient board space usage
Product Advantages
High-speed data capabilities make it suitable for robust communication systems
Enhanced noise immunity due to receiver hysteresis
Wide operating temperature range suitable for industrial applications
Compact packaging supports minimalist design objectives
Key Technical Parameters
Protocol: RS422, RS485
Number of Drivers/Receivers: 1/1
Duplex: Half
Receiver Hysteresis: 70mV
Data Rate: 50Mbps
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Package / Case: 8-SOIC
Quality and Safety Features
Designed to meet high-quality standards and reliable performance under a wide range of operating conditions.
Compatibility
Compatible with applications and systems utilizing RS422 or RS485 communication protocols.
Application Areas
Industrial automation and control systems
Telecommunication systems
Networked devices for IoT applications
Point of Sale (POS) systems
Data acquisition and transmission systems
Product Lifecycle
Currently active and not nearing discontinuation, with ongoing support for replacements or upgrades.
Several Key Reasons to Choose This Product
High-speed data transmission capability for efficient communication
Robust noise immunity enhances signal integrity
Suitable for a wide range of operating environments due to its extensive temperature range
Compact size facilitates easy integration into system designs
Ongoing product support ensures long-term usability and system compatibility