The LT1487 is a remarkable transceiver from Linear Technology, designed to provide reliable RS485 or RS422 communication for applications requiring efficient power management and minimal space. This transceiver is particularly well-suited for battery-powered systems, remote sensors, and other devices where power consumption is a critical concern.

Key Features

• Ultra-Low Quiescent Current: The LT1487 stands out with its ultra-low quiescent current of only 200µA, making it one of the most power-efficient transceivers on the market.
• Single 5V Supply: Operating from a single 5V supply, the device simplifies power management in systems where minimal power loss and voltage regulation are essential.
• High Data Rates: Capable of supporting data rates up to 2.5Mbps, the LT1487 ensures swift and reliable data communication, making it an excellent choice for high-speed applications.
• Thermal Protection: The device includes thermal shutdown protection, which prevents damage from overheating, thereby enhancing the reliability and longevity of the transceiver.
• Driver and Receiver Enable Functions: To further reduce power consumption, the LT1487 features driver and receiver enable functions, allowing selective deactivation of the unused sections of the transceiver.
• Failsafe Receiver: The receiver has a failsafe feature that guarantees a known output if the input is open circuit, enhancing the robustness of the communication link.

Applications

The LT1487 is well-suited for a variety of applications, including:

• Industrial control systems
• Building automation
• Networked security systems
• Portable and remote devices
• Automotive electronics

With its combination of low power consumption, high data rate capability, and robust protection features, the LT1487 from Linear Technology is an excellent choice for designers looking to enhance the efficiency and reliability of their RS485/RS422 communication systems.