ST490ABN - Low Power Transceiver for RS-485 and RS-422 Communications

The ST490ABN is a robust and reliable low power transceiver module from STMicroelectronics, designed for RS-485 and RS-422 communication protocols. This product is crafted to provide bidirectional data communication on multipoint bus transmission lines and is particularly suitable for long-distance and high-speed data transmission applications.

Key Features

• Compatibility: Fully compatible with the RS-485 and RS-422 standards.
• Speed: Capable of data rates up to 10 Mbps, making it suitable for high-speed data transmission.
• Power Supply: Operates from a single 5V power supply, minimizing power consumption.
• Driver Output Capability: Can drive up to 60 mA of current, allowing for long cable runs and robust signaling.
• Receiver Input Sensitivity: Features a wide common-mode input range for improved noise rejection and signaling flexibility.
• Thermal Shutdown: Equipped with thermal shutdown protection to prevent damage from overheating.
• Failsafe Receiver: Ensures a logic high output if inputs are open, shorted, or idle, enhancing data integrity.
• Package: Available in an 8-pin plastic DIP package, ensuring easy integration into existing systems.

Applications

The ST490ABN is an ideal choice for a wide range of industrial and commercial applications, including:

• Industrial control systems
• Factory automation
• Building automation
• Networked security systems
• Data acquisition systems

With its robust design and high data integrity, the ST490ABN transceiver is an excellent solution for any application requiring reliable RS-485 or RS-422 communication. Its low power consumption and high-speed capabilities make it a versatile choice for engineers and designers looking to enhance their data communication systems.

Ordering Information

To purchase or learn more about the ST490ABN transceiver, visit the STMicroelectronics website or contact your local authorized distributor. Ensure the product number ST490ABN is referenced to acquire the correct device for your communication needs.