ST485ACDR - Low Power RS-485/RS-422 Transceiver

The ST485ACDR is a robust and versatile low-power transceiver module from STMicroelectronics, designed to facilitate communication over RS-485 and RS-422 networks. This high-performance device is engineered to operate in multi-point applications over long cable runs, making it an ideal choice for industrial control systems, networked communication devices, and any application requiring a reliable serial data communication protocol.

Key Features

• Flexible Data Rate: The ST485ACDR supports data rates up to 2.5 Mbps, enabling swift data transmission for a wide range of applications.
• Extended Temperature Range: With an operational temperature range from -40°C to +85°C, it is well-suited for use in harsh industrial environments.
• Low Power Consumption: It is designed for low-power operation, making it an energy-efficient choice for battery-powered and energy-conscious applications.
• Duplex Operation: This transceiver can be used for both half-duplex and full-duplex communication, providing flexibility in network design.
• High ESD Protection: It features an ESD protection level of ±15 kV on the transceiver's bus pins, ensuring robustness against electrostatic discharges.
• Thermal Shutdown Protection: The built-in thermal shutdown feature prevents damage from overheating, enhancing the device's reliability and longevity.

Applications

• Industrial Control Systems
• Building Automation
• Networked Security Systems
• Remote Data Acquisition
• Point of Sale Systems

Product Specifications

The ST485ACDR comes in a compact SO-8 package, offering a practical solution for space-constrained applications. Its differential bus topology allows for the connection of up to 32 devices on the same bus, making it extremely scalable for complex systems. The device also features a low quiescent current and is capable of operating with a single 5V power supply, further simplifying the design and integration into existing systems.

For detailed technical specifications, application notes, and support documentation, visit the STMicroelectronics website or contact their support team for assistance with integration and application-specific queries.