TAS5122DFDG4

Overview

The Texas Instruments TAS5122DFDG4 is a high-performance, stereo digital amplifier power stage belonging to the PurePath family. It integrates a Class D audio amplifier with a digital signal processor (DSP) and a microcontroller unit (MCU). The device delivers up to 37 watts per channel into a 6-ohm load from a 24-volt supply. Key electrical specifications include a supply voltage range of 16V to 25.5V and a 56-pin HTSSOP package. It supports various digital audio interfaces and includes built-in protection features such as over-temperature and short-circuit detection.

Feature Summary

• Integrates a Class D power stage with a dedicated DSP for advanced audio processing capabilities.
• Includes an embedded MCU to manage system control and communication protocols.
• Provides comprehensive protection mechanisms including thermal shutdown and output short-circuit protection.

Applications

• DVD Receivers
• Home Theatre Systems
• Mini/Micro Component Systems
• Internet Music Appliances

Procurement Notes

Verify the specific suffix 'G4' against current manufacturer documentation to confirm RoHS compliance status and lead times. Confirm that the 56-HTSSOP package dimensions match your PCB footprint requirements. Check for obsolescence notices or lifecycle status updates directly from Texas Instruments before finalizing procurement plans.

Selection Notes

Select this component when a compact solution combining amplification and digital processing is required. Ensure the design supports the necessary digital audio input formats compatible with the integrated DSP. Verify that the power supply architecture can maintain stability within the specified 16V to 25.5V operating range under all load conditions.

Part Context

This part is part of Texas Instruments' PurePath digital amplifier portfolio, designed to reduce external component count by integrating analog and digital functions. It serves as a complete audio solution for consumer electronics requiring high fidelity in a small form factor. The integration of DSP allows for equalization and crossover management without additional external processors.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Texas Instruments official resources for current alternatives or next-generation replacements if this obsolete part is no longer sourced.

FAQ

What is the maximum output power specification?

The device delivers up to 37 watts per channel into a 6-ohm load at a 24-volt supply voltage.

Does the TAS5122DFDG4 include digital signal processing?

Yes, it integrates a dedicated digital signal processor (DSP) alongside the Class D amplifier and MCU.