The ST485BN is a versatile, low power transceiver for RS-485 and RS-422 communication, designed and manufactured by STMicroelectronics. This device is engineered to provide bidirectional data communications on multipoint bus transmission lines and is optimized for balanced data transmission at rates up to 5 Mbps.

Key Features

• Low Quiescent Current: The ST485BN is designed to operate with a very low supply current, making it ideal for energy-sensitive applications.
• Wide Supply Voltage Range: It operates from a 5V supply, with a range that accommodates the needs of most standard applications.
• High Data Rate: Capable of supporting data rates up to 5 Mbps, the ST485BN is suitable for high-speed communication requirements.
• Thermal Shutdown Protection: The device includes a thermal shutdown feature to protect against excessive power dissipation that could lead to high chip temperatures.
• Driver Differential Outputs: The transceiver features driver differential outputs, which exceed the RS-485 and RS-422 standards.
• Receiver Input Impedance: With a high input impedance, the ST485BN allows up to 32 transceivers on the bus.

Applications

The ST485BN transceiver is commonly used in a variety of applications where efficient data communication is required. These include industrial control systems, networking and data communication systems, building automation, and any other systems that require robust and reliable data transmission over long distances or in noisy environments.

Reliability and Quality

STMicroelectronics is renowned for its commitment to quality and reliability. The ST485BN transceiver is built to meet the stringent requirements of industrial applications and is subjected to rigorous testing to ensure its performance and durability.

For further information, including detailed specifications, application notes, and support resources, please visit the STMicroelectronics official product page.