D2-45157-QR

Audio Amplifiers Overview

The D2-45157-QR is a System-on-Chip Class-D digital audio amplifier manufactured by Renesas Electronics. It integrates high-performance power stages with digital signal processing capabilities. The device supports stereo output, delivering up to 30W per channel into an 8-ohm load. It operates on a supply voltage range of 9V to 26V. The component is housed in a 68-pin QFN package measuring 10x10 mm. It features digitally programmable gain and built-in audio processing functions for efficient system integration.

Audio Amplifiers Feature Summary

• Integrates complete System-on-Chip architecture combining digital audio processing with high-performance Class-D power stages
• Supports stereo output configuration with digitally programmable gain control
• Features built-in audio processing capabilities for direct digital audio interface compatibility

Audio Amplifiers Applications

• High-fidelity home audio systems requiring integrated digital amplification
• Automotive infotainment audio subsystems utilizing Class-D topology
• Professional audio equipment needing precise digital gain management

Audio Amplifiers Procurement Notes

Verify the specific suffix (QR vs QR-T) against official Renesas documentation to confirm packaging type and tape/reel specifications. Confirm current product status as obsolete or limited availability through authorized distributors. Ensure the selected variant matches the required thermal and electrical characteristics for the target application design.

Audio Amplifiers Selection Notes

Select this component for designs requiring a monolithic solution that combines DSP and power amplification. Verify that the input signal format is compatible with the digital audio interface requirements. Check that the operating supply voltage range of 9V to 26V aligns with the system power architecture. Ensure the 68-pin QFN footprint fits the PCB layout constraints.

Audio Amplifiers Part Context

This part belongs to the D2-45xxx series of digital audio amplifiers from Renesas. It is closely related to the D2-45057-QR model, sharing similar SoC architecture but potentially differing in specific performance parameters or feature sets. Both devices represent Renesas's approach to integrating complex audio processing with power delivery in a single package.

Audio Amplifiers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Designers should consult Renesas technical support for qualified alternatives or cross-reference options based on specific pinout and electrical parameter compatibility.