MA12040PXUMA1

Audio Amplifiers Overview

The MA12040PXUMA1 is a super-efficient audio power amplifier based on proprietary multi-level switching technology. It supports a +4V to +18V supply voltage range and features an integrated digital-to-analog converter for I2S digital audio stream input, supporting sample rates from 44.1 kHz to 192 kHz. The device offers flexible output stage configurations ranging from four single-ended outputs to a single parallel-BTL output. It includes protection against DC, short-circuits, over-temperature, and under-voltage situations.

Audio Amplifiers Feature Summary

• Proprietary Multi-level Switching Technology with 3-level and 5-level modulation options
• Integrated Digital Power Management Algorithm for optimized power loss and EMI
• High Power Efficiency exceeding 92% at full power in specific operating conditions
• Fourth Order Feedback Error Control for high suppression of supply disturbance

Audio Amplifiers Applications

• Battery Operated Speakers
• Wireless and Docking Speakers
• Soundbars
• Multiroom Systems
• Home Theater Systems

Audio Amplifiers Procurement Notes

Verify the exact ordering suffix (XUMA1) against the manufacturer's current product status documentation. Confirm that the component remains suitable for the intended application by checking the latest datasheet revision and any known issues or limitations documents published by Infineon Technologies. Ensure compatibility with the required I2S interface and supply voltage specifications.

Audio Amplifiers Selection Notes

Select this component when filterless operation is required due to its multi-level switching topology. Consider the available Power Mode Profiles to balance between power efficiency and audio performance metrics such as THD+N and dynamic range. Verify that the system design can accommodate the 64-pin QFN package with an exposed thermal pad for adequate heat dissipation without external heatsinks in typical applications.

Audio Amplifiers Part Context

The MA12040P belongs to Infineon's MERUS™ Class D audio amplifier family. This series utilizes unique five-level modulation technology designed to reduce power loss significantly while maintaining high audio fidelity. The family allows for filterless amplification in various audio products, distinguishing it from conventional two-level Class D amplifiers that typically require larger output filters.

Audio Amplifiers Replacement Considerations

Consult the official Errata sheet and replacement guide for confirmed substitute part numbers within the MA120xx series. Verify pinout and electrical parameter compatibility before substituting.