TPA2054D4AYZKT

Overview

The TPA2054D4AYZKT is a Texas Instruments audio amplifier featuring a 1.4 W per channel output power specification with a 4-ohm load impedance. It operates within a supply voltage range of 2.5 V to 5.5 V and supports ground-centered headphone outputs. The device utilizes a DSBGA-25 package for surface mount installation and functions across an operating temperature range from -40°C to +85°C.

Feature Summary

• Integrated three-input audio subsystem architecture
• Class-D amplification topology for efficiency
• Ground-centered headphone output capability

Applications

• Portable audio devices requiring integrated input switching
• Headphone amplifier circuits in mobile electronics
• Battery-powered consumer audio equipment

Procurement Notes

Verify the specific suffix 'YZKT' against official Texas Instruments documentation to confirm exact reel packaging, tape width, and moisture sensitivity level ratings. Ensure the component matches the required DSBGA-25 footprint dimensions and thermal characteristics for your PCB layout design before finalizing procurement orders.

Selection Notes

Select this component when a compact solution combining multiple audio inputs with a dedicated headphone driver is required. The Class-D technology suits applications prioritizing power efficiency within a small DSBGA-25 form factor. Confirm that the 1.4 W output power meets the acoustic requirements of the target speaker or headphone load impedance.

Part Context

This part belongs to the TPA2054D4A series of audio subsystems manufactured by Texas Instruments. It integrates amplification stages with input selection logic into a single monolithic IC. The series targets space-constrained portable designs where multiple audio sources need to be managed efficiently without external discrete components.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic family members may differ in pinout or electrical specifications.