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DS481M

DS481M Description

The DS481M is a high-performance transceiver designed for reliable data communication in industrial and commercial applications. Manufactured by National Semiconductor, this interface IC chip is specifically tailored for RS422 and RS485 protocols, ensuring robust and efficient data transmission at a data rate of up to 2 Mbps. The DS481M features a single driver and a single receiver, making it ideal for half-duplex communication systems. It operates within a supply voltage range of 4.75V to 5.25V, providing flexibility in power supply requirements.

The DS481M is designed for surface mount applications, offering a compact and reliable solution for space-constrained designs. It is housed in a bulk package, ensuring ease of integration into various electronic systems. The receiver hysteresis of 70 mV ensures stable and accurate signal detection, reducing the risk of data errors. The transceiver is classified under ECCN EAR99 and HTSUS 8542.39.0001, with a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure to moisture before assembly.

DS481M Features

• High Data Rate: Supports data transmission at up to 2 Mbps, ensuring fast and efficient communication.
• Half-Duplex Operation: Ideal for applications requiring bidirectional communication over a single pair of wires.
• Receiver Hysteresis: 70 mV hysteresis ensures reliable signal detection and minimizes the risk of data corruption.
• Wide Supply Voltage Range: Operates within 4.75V to 5.25V, providing flexibility in power supply options.
• Surface Mount Technology: Compact and reliable, suitable for space-constrained designs.
• Bulk Packaging: Easy to integrate into various electronic systems.
• Moisture Sensitivity Level: MSL 3 (168 hours), ensuring durability and reliability in humid environments.
• Compliance: Classified under ECCN EAR99 and HTSUS 8542.39.0001, facilitating international trade and regulatory compliance.

DS481M Applications

The DS481M is well-suited for a variety of applications where reliable and efficient data communication is critical. Key applications include:

• Industrial Automation: Ideal for controlling and monitoring industrial processes, where robust communication protocols are essential.
• Data Acquisition Systems: Used in systems that require high-speed data transmission between sensors and control units.
• Telecommunications: Suitable for communication links in telecommunication infrastructure, ensuring reliable data transfer.
• Transportation Systems: Employed in transportation control systems, such as traffic management and vehicle communication networks.
• Medical Equipment: Used in medical devices that require reliable data transmission for patient monitoring and diagnostic systems.

Conclusion of DS481M

The DS481M transceiver from National Semiconductor stands out as a reliable and efficient solution for RS422 and RS485 communication systems. Its high data rate, robust receiver hysteresis, and wide supply voltage range make it a versatile component suitable for a wide range of applications. The surface mount technology and bulk packaging ensure ease of integration into modern electronic designs, while the moisture sensitivity level and compliance with international standards guarantee durability and regulatory compliance. For applications requiring reliable and efficient data communication, the DS481M is an excellent choice, offering superior performance and reliability.