Introducing the LT1381IS from Linear Technology

The LT1381IS is a highly versatile and reliable low power 5V RS232 transceiver with an integrated charge pump circuit, designed and manufactured by Linear Technology. This exceptional product is purpose-built to provide a robust and efficient communication interface for applications requiring RS232 connectivity while operating in power-sensitive environments.

Constructed with Linear Technology's advanced processing techniques, the LT1381IS ensures minimal power consumption, with a supply current typically at 300µA, making it an ideal solution for portable or battery-powered electronic devices. Its low power requirements do not compromise performance, as the LT1381IS can operate at data rates up to 120kbps, providing both speed and power efficiency.

One of the standout features of the LT1381IS is its integrated charge pump circuit. This innovative design allows the transceiver to generate RS232 voltage levels from a single 5V supply, eliminating the need for additional ±12V power supplies that are traditionally associated with RS232 circuits. This not only simplifies the power supply design but also reduces the overall bill of materials and saves board space.

The device is fully compliant with EIA/TIA-232 specifications, ensuring compatibility with a wide range of RS232 devices. It features a dual charge pump for efficient voltage conversion and includes two drivers and two receivers. The LT1381IS also offers a shutdown mode that reduces the supply current to 10nA, providing further power savings when the device is not in active use.

For robustness and reliability, the LT1381IS is equipped with over-temperature and over-current protection, safeguarding the device and connected peripherals from potential damage. It comes in the industry-standard 16-pin narrow SOIC package, which is suitable for space-constrained applications.

Whether it's for mobile computing, portable instrumentation, or any other application where power efficiency and reliable data communication are paramount, the LT1381IS from Linear Technology stands as a top choice for designers and engineers.