STMicroelectronics

ST485ECN

ST485ECN Description

The ST485ECN is a half-duplex transceiver designed for reliable data transmission over RS422 and RS485 protocols. Manufactured by STMicroelectronics, this transceiver features a robust design with a single driver and receiver, making it ideal for applications requiring efficient communication over long distances. The ST485ECN operates within a temperature range of 0°C to 70°C, ensuring stable performance in various environmental conditions. It supports a data rate of up to 5 Mbps, providing fast and reliable data transmission. The device is powered by a supply voltage ranging from 4.75V to 5.25V, ensuring compatibility with a wide range of power supplies.

The ST485ECN is packaged in a through-hole configuration, making it suitable for applications where a secure and durable mounting is required. The transceiver is housed in a tube package, which enhances its mechanical stability and ease of integration into various electronic systems. The device is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards. The ST485ECN is classified under HTSUS code 8542.39.0001 and has a moisture sensitivity level (MSL) of 1, making it suitable for storage in a wide range of environments without the need for special handling.

ST485ECN Features

• Half-Duplex Operation: The ST485ECN operates in half-duplex mode, allowing for efficient communication in applications where bidirectional data transfer is required but simultaneous transmission and reception are not necessary.
• Receiver Hysteresis: The device features a receiver hysteresis of 70 mV, which helps in reducing noise and improving signal integrity, especially in noisy environments.
• High Data Rate: With a data rate of up to 5 Mbps, the ST485ECN ensures fast and reliable data transmission, making it suitable for high-speed communication applications.
• Wide Operating Voltage Range: The ST485ECN operates within a supply voltage range of 4.75V to 5.25V, providing flexibility and compatibility with various power supply configurations.
• Robust Through-Hole Mounting: The through-hole mounting type ensures secure and durable integration into electronic systems, making it ideal for applications requiring high reliability.
• Environmental Compliance: The ST485ECN is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Moisture Sensitivity Level (MSL) 1: The device has an MSL of 1, indicating it is not sensitive to moisture and can be stored and handled without special precautions.

ST485ECN Applications

The ST485ECN is ideal for a variety of applications where reliable data transmission over long distances is required. Some specific use cases include:

• Industrial Automation: The ST485ECN is well-suited for industrial automation systems where data needs to be transmitted between various components, such as sensors, controllers, and actuators.
• Telecommunications: In telecommunications, the ST485ECN can be used for data transmission between different network nodes, ensuring reliable communication over long distances.
• Building Automation: The device is ideal for building automation systems, where data transmission between various subsystems, such as HVAC, lighting, and security systems, is crucial.
• Transportation: The ST485ECN can be used in transportation systems, such as train control systems and traffic management systems, where reliable data transmission is essential for safe and efficient operation.

Conclusion of ST485ECN

The ST485ECN is a reliable and efficient half-duplex transceiver designed for RS422 and RS485 protocols. Its robust design, high data rate, and wide operating voltage range make it suitable for a variety of applications where reliable data transmission is crucial. The device's environmental compliance and moisture sensitivity level further enhance its suitability for use in various industrial and commercial settings. While the ST485ECN is now obsolete, its features and performance benefits continue to make it a valuable component for existing systems and legacy applications.