The ST485XDR is a versatile low power transceiver for RS-485 and RS-422 communication from STMicroelectronics, designed to provide reliable data transmission over long distances and in electrically noisy environments. This device is suitable for multi-point applications in industrial networks, building automation, and other robust communication systems.
Key Features
- Low Quiescent Current: The ST485XDR is designed to operate with a very low supply current, making it ideal for power-sensitive applications.
- Wide Supply Voltage Range: It operates from a 5V supply, allowing for flexible use in various system designs.
- High-Speed Operation: This transceiver is capable of data rates up to 5 Mbps, facilitating fast data communication for efficient system performance.
- Thermal Shutdown Protection: The built-in thermal shutdown feature ensures that the device is protected from damage due to excessive power dissipation.
- Driver Differential Output: The transceiver provides driver differential outputs that exceed ±2.1V for RS-485/RS-422 standard compliance.
- Receiver Input Sensitivity: With an input sensitivity of ±200 mV, the receiver can detect weak signals, ensuring reliable communication even over long cables or in noisy environments.
Applications
The ST485XDR is ideal for a wide range of applications in various fields, including:
- Industrial Control Systems
- Building Automation
- Security Systems
- Networked Communication Systems
- Data Acquisition Systems
Product Specifications
Parameter
Value
Data Rate
5 Mbps
Supply Voltage
5V
Operating Temperature
-40°C to +85°C
Package
SO-8
The ST485XDR from STMicroelectronics is a robust, low power transceiver that delivers high performance and reliability for your RS-485/RS-422 communication needs. Its advanced features and specifications make it a smart choice for designers looking for a transceiver that can handle the demands of modern industrial communication systems.
