Intersil

ISL81483IB

ISL81483IB Description

The ISL81483IB is a half-duplex transceiver designed for RS422 and RS485 communication protocols. Manufactured by Intersil, this interface IC chip features a single driver and a single receiver, making it suitable for applications requiring reliable data transmission at a rate of up to 250 kbps. The ISL81483IB operates within a supply voltage range of 4.5V to 5.5V and is housed in a surface-mount 8SOIC package, which is ideal for compact and space-efficient designs.

ISL81483IB Features

• Single Driver/Receiver Configuration: The ISL81483IB features a 1/1 driver/receiver configuration, which simplifies the design and reduces component count in RS422 and RS485 communication systems.
• Half-Duplex Operation: This transceiver is designed for half-duplex communication, allowing it to transmit and receive data on the same line, which is beneficial for applications where bidirectional communication is required but full-duplex operation is not necessary.
• Receiver Hysteresis: The ISL81483IB incorporates a 70 mV receiver hysteresis, which enhances noise immunity and ensures reliable data reception even in noisy environments.
• Wide Supply Voltage Range: The transceiver operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply options and compatibility with various power systems.
• Surface Mount Packaging: The ISL81483IB is available in a surface-mount 8SOIC package, which is suitable for automated assembly processes and contributes to the miniaturization of electronic devices.
• Obsolete Status: While the ISL81483IB is now obsolete, it remains a reliable choice for legacy systems and applications where its specific features are still required.

ISL81483IB Applications

The ISL81483IB is well-suited for a variety of industrial and commercial applications that require robust and reliable data communication. Some specific use cases include:

• Industrial Automation: The ISL81483IB can be used in industrial control systems where RS422 and RS485 protocols are employed for communication between controllers, sensors, and actuators.
• Data Acquisition Systems: In data acquisition systems, the transceiver can facilitate the transmission of sensor data to a central processing unit, ensuring accurate and reliable data transfer.
• Telecommunications: The ISL81483IB can be integrated into telecommunication equipment for data transmission over long distances, leveraging the robustness of RS422 and RS485 protocols.
• Building Automation: For building automation systems, the ISL81483IB can enable communication between various subsystems, such as HVAC, lighting control, and security systems.

Conclusion of ISL81483IB

The ISL81483IB from Intersil is a versatile half-duplex transceiver that offers reliable performance for RS422 and RS485 communication protocols. Its single driver/receiver configuration, receiver hysteresis, and wide supply voltage range make it a robust solution for various industrial and commercial applications. Although now obsolete, the ISL81483IB continues to provide a reliable option for legacy systems and specific applications where its unique features are essential.