SP3232EUCA-L

Drivers, Receivers, Transceivers Overview

The MaxLinear SP3232EUCA-L/TR is a true RS-232 transceiver operating from a single 3.0V to 5.5V power supply. It features two drivers and two receivers with a minimum data rate of 120kbps under full load, supporting up to 235kbps. The device utilizes an internal charge pump requiring only four 0.1µF capacitors for ±5.5V generation. It provides enhanced ESD protection rated at ±15kV (Human Body Model) and ±15kV (IEC61000-4-2 Air Discharge). Operating temperature ranges are typically -40°C to +85°C or 0°C to +70°C depending on the specific suffix configuration.

Drivers, Receivers, Transceivers Feature Summary

• Integrated high-efficiency charge pump generates true RS-232 voltage levels from a single low-voltage supply using minimal external capacitance.
• Robust electrostatic discharge tolerance ensures reliability in portable environments through ruggedized input and output structures.
• Compliant with EIA/TIA-232-F standards while maintaining interoperability with systems powered down to 2.7V.

Drivers, Receivers, Transceivers Applications

• Portable and handheld computing devices such as notebook and palmtop computers
• Battery-powered communication peripherals requiring low power consumption
• Mixed voltage systems interfacing 3.3V logic with standard RS-232 serial ports

Drivers, Receivers, Transceivers Procurement Notes

Verify the complete part number against official distributor catalogs to confirm the specific package type and temperature range. Ordering suffixes indicate variations in packaging format and thermal specifications. Ensure compatibility with existing PCB footprints before procurement. Cross-reference the manufacturer's latest ordering guide for availability status.

Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring true RS-232 performance without dual supplies. The SP3232E lacks the shutdown pin found in the SP3222E variant; choose based on power management requirements. Verify that the required data rate does not exceed the loaded limits specified in the electrical characteristics. Confirm the package dimensions match the target board layout constraints.

Drivers, Receivers, Transceivers Part Context

This device belongs to the SP3232E series within the broader SP3222E/SP3232E family. It shares core architecture with the SP3222E but omits the low-power shutdown feature. The series is designed by MaxLinear to replace legacy RS-232 transceivers in modern low-voltage portable electronics.

Drivers, Receivers, Transceivers Replacement Considerations

Direct functional substitutes include the SP3222E series, though the SP3222E includes an additional shutdown control pin. Other compatible options may include older Sipex designs if pinouts align. Verify pin compatibility and electrical parameters when substituting across different manufacturers.