Texas Instruments

DS485M  

Drivers, Receivers, Transceivers

DS485M Description

The DS485M is a half-duplex transceiver designed by Texas Instruments, featuring one driver and one receiver. This device is housed in an 8SOIC package and is suitable for surface mount applications. Despite being marked as obsolete, the DS485M remains a robust solution for RS422 and RS485 communication protocols, offering a data rate of up to 2.5 Mbps. It operates within a supply voltage range of 4.75V to 5.25V and is REACH unaffected, ensuring compliance with environmental regulations. The DS485M is categorized under drivers, receivers, and transceivers, with a base product number DS485 and an ECCN classification of EAR99. It is available in a tube package and has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture and suitable for various industrial environments.

DS485M Features

The DS485M stands out with its unique features and performance benefits:

• Receiver Hysteresis: The DS485M boasts a receiver hysteresis of 70 mV, which enhances signal integrity and reduces the likelihood of data errors in noisy environments.
• Data Rate: With a data rate of 2.5 Mbps, the DS485M ensures efficient and reliable data transmission, making it suitable for high-speed communication applications.
• Supply Voltage Range: The DS485M operates within a supply voltage range of 4.75V to 5.25V, providing flexibility and compatibility with various power supply systems.
• Half-Duplex Operation: The half-duplex capability allows for bidirectional communication over a single pair of wires, simplifying wiring and reducing costs.
• Surface Mount Technology: The surface mount mounting type ensures ease of integration into compact and high-density designs.
• Environmental Compliance: The DS485M is REACH unaffected and has an HTSUS classification of 8542.39.0001, ensuring compliance with international environmental standards.

DS485M Applications

The DS485M is ideal for a variety of applications, including:

• Industrial Automation: The DS485M's robust performance and high data rate make it suitable for industrial automation systems where reliable communication between devices is critical.
• Telecommunications: In telecommunication infrastructure, the DS485M can be used for data transmission over long distances, ensuring signal integrity and minimal data loss.
• Data Acquisition Systems: The device's half-duplex operation and high data rate are beneficial for data acquisition systems that require efficient data transfer between sensors and control units.
• Networking Equipment: The DS485M can be integrated into networking equipment for RS422 and RS485 communication, providing reliable and efficient data transmission.

Conclusion of DS485M

The DS485M by Texas Instruments is a versatile and reliable half-duplex transceiver that offers a range of technical specifications and performance benefits. Its high data rate, receiver hysteresis, and flexible supply voltage range make it suitable for various applications, including industrial automation, telecommunications, data acquisition systems, and networking equipment. Despite being marked as obsolete, the DS485M remains a valuable solution for RS422 and RS485 communication protocols, ensuring efficient and reliable data transmission in demanding environments.

DS485M Documents

Download datasheets and manufacturer documentation for DS485M

Datasheets :

DS485      

PCN Obsolescence/ EOL :

Mult Devices 07/Aug/2017      

HTML Datasheet :

DS485