STMicroelectronics

ST485EBDR

The ST485EBDR is a half-duplex asynchronous serial communication interface IC manufactured by STMicroelectronics. It is designed to provide reliable and efficient communication between microcontrollers and other devices in a wide range of applications.

Description:

The ST485EBDR is a monolithic integrated circuit that combines a driver and a receiver in a single package. It is based on the well-known and widely used RS-485 standard, which allows for multi-drop communication and supports data transmission rates up to 1 Mbps.

Features:

1. RS-485 compliant: The device is fully compliant with the RS-485 standard, ensuring compatibility with other RS-485 devices.
2. Half-duplex communication: The ST485EBDR supports half-duplex communication, allowing for efficient data transmission in both directions.
3. Multi-drop capability: The device can support up to 32 units on a single bus, making it suitable for applications with multiple devices.
4. High noise immunity: The ST485EBDR features a high level of noise immunity, making it suitable for use in noisy environments.
5. Low power consumption: The device has a low power consumption, making it ideal for battery-powered applications.
6. Wide supply voltage range: The ST485EBDR operates over a wide supply voltage range of 4.75V to 5.5V, ensuring compatibility with various power supply systems.
7. Small package size: The device is available in a compact SOIC-8 package, making it suitable for space-constrained applications.

Applications:

The ST485EBDR is suitable for a wide range of applications that require reliable and efficient serial communication, including:

1. Industrial control systems: The device can be used in industrial control systems for communication between microcontrollers and various sensors, actuators, and other devices.
2. Building automation: The ST485EBDR can be used for communication between control panels, sensors, and actuators in building automation systems.
3. Telecommunication systems: The device can be used for data transmission in telecommunication systems, such as local area networks (LANs) and wide area networks (WANs).
4. Medical equipment: The ST485EBDR can be used for communication between different components of medical equipment, such as monitoring devices and control units.
5. Automotive systems: The device can be used for communication between various electronic control units (ECUs) in automotive systems.
6. Data acquisition systems: The ST485EBDR can be used for communication between data acquisition devices and microcontrollers in industrial and scientific applications.

In summary, the ST485EBDR is a versatile and reliable RS-485 transceiver that offers a range of features, including multi-drop capability, high noise immunity, and low power consumption. It is suitable for a wide range of applications, from industrial control systems to building automation and telecommunication systems.