SP3243EUCT-L/TR

Drivers, Receivers, Transceivers Overview

The SP3243EUCT-L/TR is an intelligent RS-232 transceiver manufactured by MaxLinear, Inc. It features three drivers and five receivers within a single package, supporting full-duplex communication over the RS-232 protocol. The device operates on a single power supply ranging from 3 V to 5.5 V and consumes a typical operating current of 300 uA. It supports data rates up to 1 Mb/s with a propagation delay of 0.15 us. The output driver provides a minimum output voltage of +/- 5 V into a 3-kOhm load and delivers +/- 10 V under no-load conditions. The unit includes 15 kV ESD protection on all pins and is housed in a 28-TSSOP (0.173", 4.40mm wide) surface-mount package.

Drivers, Receivers, Transceivers Feature Summary

• Intelligent design enables operation from a single 3-V to 5.5-V power supply without requiring external charge pumps or capacitors for voltage generation.
• Integrated shutdown mode significantly reduces power consumption, making the component suitable for battery-powered applications.
• Robust electrostatic discharge protection rated at 15 kV ensures reliable performance in high-interference environments.

Drivers, Receivers, Transceivers Applications

• Industrial control systems requiring robust serial communication interfaces
• Portable instrumentation and handheld devices utilizing low-power RS-232 links
• Embedded systems connecting microcontrollers to legacy RS-232 peripherals

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against official MaxLinear documentation to confirm pinout compatibility and thermal characteristics. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Ensure the supplier provides traceability certificates matching the manufacturer's lot codes. Cross-reference the part number with the latest datasheet revision to validate any recent packaging or material changes.

Drivers, Receivers, Transceivers Selection Notes

Select this component when a high-speed 1 Mb/s RS-232 interface is required in a compact TSSOP form factor. It is appropriate for designs needing integrated ESD protection and low quiescent current without external boosting circuits. Compare against the SP3243EE variants if industrial temperature ranges (-40°C to +85°C) are mandatory, as this model typically specifies commercial temperatures (0°C to +70°C).

Drivers, Receivers, Transceivers Part Context

This part belongs to the SP3243E series of intelligent RS-232 transceivers originally developed by Exar and SIPEX before being acquired by MaxLinear. The series is characterized by its ability to operate directly from standard logic supplies. The 'UCT' suffix specifically denotes the 28-TSSOP package variant, distinguishing it from SSOP or QFN versions within the same functional family.

Drivers, Receivers, Transceivers Replacement Considerations

Publicly confirmed substitutes include the SP3243EECT-L/TR for extended temperature range requirements and the SP3243EUCA-L/TR for alternative SSOP packaging. Verify that replacement parts maintain identical pin configurations and electrical specifications before integration.