LTC1387IG

The LTC1387IG is an integrated circuit (IC) designed by Linear Technology, which is now part of Analog Devices. It is a versatile, low-power RS232 transceiver that can operate from a single 5V supply. The IC is used for serial communication, converting signals between logic levels and RS232 levels, making it suitable for interfacing with devices that communicate via RS232 protocol.
Key features of the LTC1387IG include its ability to operate with low power consumption, drawing only about 120 µA of supply current. It includes charge pump circuits that eliminate the need for dual supplies, simplifying the design. The device also features ESD protection and is capable of driving long cables, making it robust and reliable for various applications.
The LTC1387IG is typically used in applications such as portable computers, palmtop computers, battery-powered systems, and other devices requiring reliable RS232 communication. Its compact design and efficient operation make it an attractive choice for developers looking to implement RS232 interfaces in space-constrained or power-sensitive projects.

The LTC1387IG is a low power RS-232 transceiver. Equivalent products include the MAX232, MAX202, SP232, and ADM202. These chips are also designed for RS-232 communication and feature similar voltage ranges and data transmission capabilities. When selecting an equivalent, ensure compatibility with your specific application requirements such as voltage levels, package type, and number of channels.

The LTC1387IG is a low power, 2-driver/2-receiver RS232 transceiver integrated circuit designed by Analog Devices. It features a wide operating voltage range from 3V to 5.5V, making it suitable for battery-powered and portable applications. The transceiver provides ESD protection of over 10kV on all RS232 inputs and outputs, enhancing its robustness against static discharge.
It operates at data rates up to 120kbps, ensuring reliable communication for standard serial data transfer applications. The LTC1387IG consumes very low power, typically 200µA, and features a shutdown mode that reduces the supply current to just 1µA, conserving battery life.
The device is equipped with a built-in charge pump, which eliminates the need for dual supplies, simplifying the design. It is also designed to be pin-compatible with the industry-standard MAX232, providing easy integration into existing systems. The compact 16-pin SSOP package makes it ideal for space-constrained designs.
Overall, the LTC1387IG is suited for applications such as portable data loggers, battery-powered devices, and any system requiring RS232 communication.

The LTC1387IG is manufactured by Linear Technology Corporation. Linear Technology is known for designing, manufacturing, and marketing high-performance analog integrated circuits (ICs). The company specializes in producing a wide range of analog devices, which include power management, data conversion, signal conditioning, RF, interface, and μModule products. Linear Technology caters to various industries such as telecommunications, industrial, automotive, computer, medical, instrumentation, consumer electronics, and military systems. In 2017, Linear Technology was acquired by Analog Devices, Inc., another leading company in the semiconductor industry that focuses on analog, mixed-signal, and digital signal processing (DSP) integrated circuits. This acquisition helped to expand Analog Devices' product offerings and strengthen its market position in the analog IC sector.

The LTC1387IG is a low-power RS-232 transceiver IC used primarily in communication interface applications. It is ideal for battery-powered or portable devices due to its low power consumption and operation from a single 3.3V or 5V supply. Common application areas include laptops, hand-held devices, printers, and various data communication equipment. The device facilitates serial communication between a computer and peripheral devices, making it suitable for any system requiring RS-232 connectivity with minimal power usage. Additionally, its ability to operate at high speeds (up to 120 kbps) makes it suitable for faster data transfer applications.

The LTC1387IG is housed in a 16-lead SSOP (Shrink Small Outline Package). This type of package is designed to save board space while providing reliable electrical performance and is commonly used for integrated circuits requiring moderate pin counts.