MaxLinear

SP485REN-L

SP485REN-L Description

The SP485REN-L is a half-duplex transceiver designed for RS422 and RS485 protocols, offering robust performance and reliability in industrial communication applications. Manufactured by MaxLinear, Inc., this interface IC chip features a single driver and receiver, making it ideal for applications requiring efficient data transmission at a data rate of up to 5 Mbps. The SP485REN-L operates within a supply voltage range of 4.75V to 5.25V, ensuring compatibility with a wide range of power supplies. Packaged in a tube and available in an 8SOIC form factor, this transceiver is designed for surface mount applications, providing ease of integration into compact and high-density circuit designs. Although the product is now obsolete, its legacy continues to influence the design of modern communication interfaces.

SP485REN-L Features

• Half-Duplex Operation: The SP485REN-L is designed for half-duplex communication, allowing data to be transmitted and received on the same line, which simplifies wiring and reduces cost in point-to-point communication systems.
• High Data Rate: Capable of supporting data rates up to 5 Mbps, this transceiver ensures efficient and rapid data transmission, making it suitable for applications requiring high-speed communication.
• Wide Supply Voltage Range: With a supply voltage range of 4.75V to 5.25V, the SP485REN-L offers flexibility and compatibility with various power supply configurations, enhancing its adaptability in different industrial environments.
• Surface Mount Technology: The surface mount mounting type allows for easy integration into modern PCB designs, enabling high-density and compact circuit layouts, which are essential for space-constrained applications.
• Moisture Sensitivity Level (MSL) 1: The SP485REN-L has an MSL rating of 1, indicating it is not moisture sensitive and can be stored and handled without the need for special precautions, reducing production costs and simplifying logistics.
• ECCN and HTSUS Classification: Classified under ECCN 5A991B1 and HTSUS 8542.39.0001, the SP485REN-L complies with international export control regulations, ensuring compliance and ease of international trade.

SP485REN-L Applications

The SP485REN-L is well-suited for a variety of industrial and commercial applications where reliable and efficient data communication is paramount. Some specific use cases include:

• Industrial Automation: In factory automation systems, the SP485REN-L can be used to connect sensors, actuators, and controllers, enabling seamless communication and control over long distances.
• Building Automation: For building management systems, this transceiver can facilitate communication between various subsystems such as HVAC, lighting control, and security systems, ensuring efficient and centralized control.
• Telecommunications: In telecommunication infrastructure, the SP485REN-L can be employed for data transmission between remote units and central control systems, providing reliable communication links.
• Transportation Systems: In transportation applications, such as traffic control systems and vehicle monitoring, the SP485REN-L ensures robust and reliable data transmission, contributing to improved safety and efficiency.

Conclusion of SP485REN-L

The SP485REN-L, despite being obsolete, remains a testament to MaxLinear's commitment to delivering high-performance interface IC chips. Its half-duplex operation, high data rate, and wide supply voltage range make it a versatile solution for various industrial communication needs. The surface mount technology and moisture sensitivity level of 1 further enhance its practicality and ease of integration. While modern alternatives may offer additional features, the SP485REN-L continues to serve as a reliable and efficient transceiver for applications requiring robust RS422 and RS485 communication.