The ST485EXDR is a high-quality, integrated transceiver module from STMicroelectronics designed to provide bidirectional data communications on multipoint bus transmission lines. It is compliant with the RS-485 and RS-422 standards and is optimized for balanced data transmission at rates up to 2.5 Mbps.

Key Features

• Low Power Consumption: The device operates with a 5V supply and features a low-power shutdown mode, making it suitable for energy-efficient applications.
• High Data Rate: With support for data rates up to 2.5 Mbps, the ST485EXDR is ideal for high-speed data communication in industrial, networking, and telecommunication systems.
• Thermal Shutdown Protection: The transceiver includes a thermal shutdown feature to protect against excessive power dissipation that could otherwise damage the device.
• Driver Current Limiting: The module includes current limiting and output short-circuit protection, which enhances the robustness of the device in harsh environments.
• Fail-safe Receiver: The receiver input has a fail-safe feature that guarantees a known output state if the input is open circuit.

Applications

The ST485EXDR is versatile and can be used in a variety of applications, including:

• Industrial control systems
• Building automation
• Networked security systems
• Remote data loggers
• Point of Sale (POS) terminals

Package and Quality

The device is available in a small, surface-mount SO-8 package, which is ideal for applications with space constraints. It is also characterized for operation from -40°C to 85°C, ensuring reliable performance in a wide range of environments. STMicroelectronics assures high-quality standards, with the ST485EXDR being subjected to rigorous testing and quality control measures.

Whether you're designing a complex industrial network or a simple point-to-point data link, the ST485EXDR offers a reliable, efficient solution for your RS-485/RS-422 communication needs.