Texas Instruments

DS485N/NOPB

DS485N/NOPB Description

The DS485N/NOPB is a half-duplex transceiver designed for reliable data transmission over RS422 and RS485 protocols. Manufactured by Texas Instruments, this device is housed in an 8-pin DIP package and features a through-hole mounting type, making it suitable for a variety of industrial and commercial applications. Despite its obsolete status, the DS485N/NOPB remains a robust solution for applications requiring high performance and reliability.

DS485N/NOPB Features

• High Data Rate: The DS485N/NOPB supports a data rate of up to 2.5 Mbps, ensuring efficient and rapid data transmission.
• Receiver Hysteresis: With a receiver hysteresis of 70 mV, the transceiver offers enhanced noise immunity, making it ideal for use in noisy environments.
• Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 70°C, making it suitable for a wide range of environmental conditions.
• Supply Voltage: The DS485N/NOPB operates on a supply voltage range of 4.75V to 5.25V, providing flexibility in power supply requirements.
• Compliance and Safety: The transceiver is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Duplex Mode: The half-duplex mode allows for bidirectional communication over a single pair of wires, simplifying cabling and reducing costs.
• Package and Mounting: The through-hole mounting type and tube packaging make it easy to integrate into existing systems and ensure mechanical stability.

DS485N/NOPB Applications

The DS485N/NOPB is ideal for applications requiring reliable and efficient data communication over RS422 and RS485 protocols. Some specific use cases include:

• Industrial Automation: The robust design and high data rate make it suitable for industrial control systems, where reliable communication between devices is crucial.
• Telecommunications: The DS485N/NOPB can be used in telecommunication systems for data transmission over long distances, ensuring minimal signal degradation.
• Transportation Systems: The device's ability to operate in a wide temperature range makes it suitable for transportation applications, such as in-vehicle communication systems.
• Building Automation: The DS485N/NOPB can be used in building automation systems for controlling HVAC, lighting, and other building systems.

Conclusion of DS485N/NOPB

The DS485N/NOPB, despite being obsolete, remains a reliable and efficient transceiver for RS422 and RS485 protocols. Its high data rate, receiver hysteresis, and wide operating temperature range make it a versatile solution for various industrial and commercial applications. The device's compliance with environmental and safety standards ensures it meets the requirements of modern electronics. While newer models may offer additional features, the DS485N/NOPB continues to provide robust performance and reliability, making it a valuable component in many systems.