The ST3241EBTR from STMicroelectronics is a robust and versatile low-power transceiver for RS-232 communication. This integrated circuit is designed to fulfill the requirements for EIA/TIA-232 and V.28/V.24 communication interfaces, particularly in applications where ±12 V is not available.

Key Features

• Low Power Consumption: The device operates with a very low supply current, typically 300 µA, making it ideal for battery-powered and portable applications.
• Wide Supply Voltage Range: It can function with a single 3.0 V to 5.5 V power supply, providing flexibility in various power environments.
• Data Rate: Supports data rates up to 250 kbps, enabling efficient serial data communication for a wide range of applications.
• Electrostatic Discharge (ESD) Protection: The transceiver includes an ESD protection circuitry, which exceeds ±15 kV using the Human Body Model (HBM), ensuring high resilience to electrostatic discharges.
• Low Power Shutdown Mode: An automatic power-down feature reduces the power consumption to 1 µA when the device is not in use.
• Dual Charge Pump: The integrated dual charge pump circuitry generates the necessary RS-232 voltage levels from a single 3 V to 5.5 V supply.

Applications

The ST3241EBTR is suitable for a broad range of applications, including:

• Portable and battery-powered devices
• Notebook, sub-notebook, and palmtop computers
• Handheld equipment
• Peripherals
• Printers

Package and Quality

The device is available in a TSSOP package, which is designed to save space on printed circuit boards. STMicroelectronics ensures high-quality standards for its products, and the ST3241EBTR is no exception, meeting the stringent industrial quality criteria.

Overall, the ST3241EBTR transceiver from STMicroelectronics offers a reliable, low-power solution for RS-232 communication, making it a top choice for designers looking for performance and efficiency in their serial communication applications.