Texas Instruments

DS8921AM/NOPB

DS8921AM/NOPB Description

The DS8921AM/NOPB is a high-performance transceiver designed for reliable data communication in industrial and commercial applications. Manufactured by Texas Instruments, this device is part of the DS8921 family and is optimized for RS422 and RS485 protocols. It features a single driver and single receiver, making it ideal for full-duplex communication systems. The DS8921AM/NOPB operates within a supply voltage range of 4.5V to 5.5V and is rated for an operating temperature range of 0°C to 70°C, ensuring robust performance in a variety of environmental conditions.

The device is housed in an 8SOIC package, which is available in a tube format, facilitating easy integration into surface-mount designs. With a receiver hysteresis of 70 mV, the DS8921AM/NOPB ensures reliable data reception even in noisy environments. The transceiver is fully compliant with REACH and RoHS3 standards, and it is classified under ECCN EAR99 and HTSUS 8542.39.0001. The moisture sensitivity level (MSL) is rated at 1 (Unlimited), making it suitable for a wide range of manufacturing processes.

DS8921AM/NOPB Features

• Single Driver and Receiver: The DS8921AM/NOPB features one driver and one receiver, supporting full-duplex communication. This configuration is ideal for applications requiring simultaneous data transmission and reception.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply design and ensuring compatibility with various power sources.
• Receiver Hysteresis: With a receiver hysteresis of 70 mV, the DS8921AM/NOPB offers enhanced noise immunity, ensuring reliable data reception even in noisy industrial environments.
• Surface Mount Compatibility: The 8SOIC package and tube format make the DS8921AM/NOPB suitable for surface-mount applications, facilitating compact and efficient PCB designs.
• Compliance and Safety: The DS8921AM/NOPB is REACH Unaffected and RoHS3 Compliant, ensuring it meets the highest environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the DS8921AM/NOPB is suitable for a wide range of manufacturing processes, including those with extended exposure to moisture.

DS8921AM/NOPB Applications

The DS8921AM/NOPB is ideal for a variety of applications requiring reliable data communication over RS422 and RS485 protocols. Some specific use cases include:

• Industrial Automation: The robust performance and wide operating temperature range make the DS8921AM/NOPB suitable for industrial automation systems, where reliable data transmission is critical.
• Data Acquisition Systems: The device's noise immunity and full-duplex capability make it ideal for data acquisition systems, ensuring accurate and reliable data transfer.
• Telecommunications: The DS8921AM/NOPB can be used in telecommunications infrastructure, providing reliable communication links for network equipment.
• Transportation Systems: The device's ability to operate in a wide temperature range and its compliance with environmental standards make it suitable for transportation systems, including automotive and railway applications.

Conclusion of DS8921AM/NOPB

The DS8921AM/NOPB is a versatile and reliable transceiver designed for RS422 and RS485 communication protocols. Its single driver and receiver configuration, combined with a wide operating voltage range and receiver hysteresis, ensures robust performance in various industrial and commercial applications. The device's compliance with environmental and safety standards, along with its surface-mount compatibility and moisture sensitivity level, make it an ideal choice for modern electronic designs. Whether used in industrial automation, data acquisition systems, telecommunications, or transportation, the DS8921AM/NOPB offers a reliable and efficient solution for full-duplex data communication.