TAS5121IDKDG4

Overview

The TAS5121IDKDG4 is a Class-D digital audio power amplifier manufactured by Texas Instruments. It delivers 100 W of output power into a 4-ohm load with a single channel configuration. The device operates on a supply voltage range of 10.8 V to 13.2 V and features digital inputs, short-circuit protection, thermal shutdown, and standby modes. It is housed in a 36-pin HSSOP package with an exposed pad for thermal management.

Feature Summary

• Digital input interface for direct connection to digital audio sources
• Integrated short-circuit and thermal protection mechanisms
• Standby mode capability for power efficiency

Applications

• High-fidelity home theater systems
• Professional audio amplification equipment
• Active loudspeaker designs requiring high power density

Procurement Notes

Verify the exact suffix 'G4' against current manufacturer documentation to confirm lead-free status and RoHS compliance. Confirm availability as this component may be subject to discontinuation or lifecycle changes. Ensure the specific package variant matches your PCB footprint requirements before finalizing procurement.

Selection Notes

Select this component when a single-channel, high-power Class-D solution with digital inputs is required. It is suitable for applications needing robust protection features and efficient heat dissipation via the exposed pad. Consider the 36-pin HSSOP package constraints during layout design.

Part Context

This part belongs to the TAS5121 series of digital audio power stages from Texas Instruments. It is designed for high-performance audio applications where efficiency and sound quality are critical. The series typically includes variants with different packaging or temperature ratings.

Replacement Considerations

Check for TAS5121DKDE4 as a potential alternative within the same family. Verify pin compatibility and electrical specifications before substitution.