Intersil

ISL81487LIP

ISL81487LIP Description

The ISL81487LIP is a half-duplex transceiver designed for RS422 and RS485 communication protocols. Manufactured by Intersil, this through-hole mounted interface IC chip features a single driver and receiver, making it suitable for applications requiring reliable data transmission at a rate of up to 5Mbps. The ISL81487LIP operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with a variety of power supply configurations. The receiver incorporates a hysteresis of 70 mV, which enhances signal integrity and noise immunity. Packaged in a tube and housed in an 8DIP package, this transceiver is designed for robust performance in industrial and commercial environments. Despite its obsolescence, the ISL81487LIP remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

ISL81487LIP Features

• Half-Duplex Operation: The ISL81487LIP supports half-duplex communication, allowing for efficient data transmission in environments where bidirectional communication is required but full-duplex operation is not necessary.
• High Data Rate: Capable of transmitting data at up to 5Mbps, the ISL81487LIP ensures fast and reliable communication, making it suitable for applications that require high-speed data transfer.
• Receiver Hysteresis: The 70 mV hysteresis in the receiver enhances signal integrity by reducing the impact of noise and improving overall system reliability.
• Wide Supply Voltage Range: Operating within a voltage range of 4.5V to 5.5V, the ISL81487LIP offers flexibility in power supply options, making it compatible with a variety of systems.
• Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of integration into printed circuit boards (PCBs), particularly in industrial applications.
• RS422 and RS485 Protocols: Supporting both RS422 and RS485 protocols, the ISL81487LIP is versatile and can be used in a wide range of communication systems, from simple point-to-point links to more complex multi-drop networks.
• 8DIP Package: The 8DIP package format provides a compact and reliable housing for the transceiver, ensuring ease of integration into various electronic designs.

ISL81487LIP Applications

The ISL81487LIP is ideal for a variety of applications that require reliable and efficient data communication. Some specific use cases include:

• Industrial Automation: In industrial settings, the ISL81487LIP can be used for communication between programmable logic controllers (PLCs), sensors, and actuators, ensuring robust and reliable data transfer in harsh environments.
• Building Automation: For building automation systems, the transceiver can facilitate communication between various control units, such as HVAC systems, lighting controls, and security systems.
• Data Acquisition Systems: The ISL81487LIP can be employed in data acquisition systems to transmit sensor data to central processing units, ensuring accurate and timely data transfer.
• Telecommunications: In telecommunication applications, the transceiver can be used for data transmission between different network nodes, providing reliable communication links.
• Transportation Systems: For transportation systems, such as traffic control and railway signaling, the ISL81487LIP can ensure reliable communication between various components, enhancing overall system efficiency and safety.

Conclusion of ISL81487LIP

The ISL81487LIP, despite being obsolete, remains a reliable and versatile transceiver for RS422 and RS485 communication protocols. Its half-duplex operation, high data rate, and robust receiver hysteresis make it suitable for a wide range of applications, particularly in industrial and commercial environments. The wide supply voltage range and through-hole mounting type further enhance its flexibility and ease of integration. While modern alternatives may offer additional features, the ISL81487LIP continues to provide a dependable solution for legacy systems and specific applications where its unique features are advantageous.