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.
