The SP3281EBEA is a single-channel RS-232 transceiver from Exar Corporation. This device is designed to offer a simple and efficient interface between a UART and an RS-232 serial port, suitable for various applications requiring RS-232 communication.

Applications

• Single Channel RS-232 Applications
• Notebook and Laptop Computers
• Sub-Notebooks
• Palmtop Computers
• Handheld PCs
• Battery-Powered Equipment
• Peripherals
• Printers

Features

• Meets all ElA-232E and ITU V.28 specifications
• Operates from a single +3.0V to +5.5V power supply
• Requires only 0.1μF charge pump capacitors
• High data rate – 120kbps under load
• Low power shutdown mode (typically 1μA)
• Output swing limit of ±8V
• Enhanced ESD specifications: ±15kV Human Body Model
• Single Driver and Single Receiver

Benefits

• Easy RS-232 Interface: Facilitates easy connection between UARTs and RS-232 serial ports.
• Low Power Operation: Optimized for battery-powered systems, featuring a low-power shutdown mode.
• Compact Size: Its integrated design helps to minimize board space requirements.
• High ESD Protection: Ensures robust performance in environments susceptible to electrostatic discharge.
• Flexible Voltage Range: Wide operating voltage range provides versatility in system design.

The SP3281EBEA operates from a single +3.0V to +5.5V power supply, using small external charge pump capacitors. It transmits data at rates up to 120kbps while maintaining RS-232 signal levels. A low-power shutdown mode minimizes power consumption, making it suitable for battery-powered applications. It provides a single driver and single receiver.

In summary, the SP3281EBEA offers a reliable and efficient solution for single-channel RS-232 communication, particularly suited for applications that prioritize low power consumption and a small footprint.