IS31AP4833-QFLS2-TR

Overview

The IS31AP4833-QFLS2-TR is a Class-AB stereo audio amplifier manufactured by Lumissil Microsystems. It features a bridge-tied-load (BTL) output configuration capable of delivering up to 2.8W per channel into a 4-ohm load. The device operates on a supply voltage range of 3V to 5.5V and utilizes a 36-pin QFN package with dimensions of 4x4 mm. Designed for surface mount installation, it supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Class-AB stereo amplifier architecture with bridge-tied-load outputs
• High power delivery capability of 2.8W per channel at 4-ohm loads
• Wide single-supply voltage operation ranging from 3V to 5.5V

Applications

• Portable audio devices requiring high-fidelity sound reproduction
• Automotive infotainment systems and speaker amplification
• Home entertainment equipment and multimedia speakers

Procurement Notes

Verify the manufacturer part number IS31AP4833-QFLS2-TR against official Lumissil documentation to confirm specifications. Ensure compatibility with the required 36-QFN footprint and thermal management requirements. Confirm that the supply voltage and load impedance align with the 3V-5.5V range and 4-ohm design parameters before integration.

Selection Notes

Select this component when a stereo Class-AB solution is required for applications needing up to 2.8W per channel. It is suitable for designs operating within a 3V to 5.5V supply range. Consider the 36-QFN package size for space-constrained PCB layouts. Verify thermal dissipation capabilities for the specific enclosure environment.

Part Context

This component belongs to the Lumissil Microsystems audio amplifier portfolio, specifically designed for high-performance audio applications. It complements other signal processing and power management solutions offered by the manufacturer, targeting markets such as automotive electronics and consumer audio hardware where reliable stereo amplification is essential.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult Lumissil Microsystems directly or review the official datasheet for recommended pin-to-pin compatible alternatives or functional equivalents.