TAS2557YZT

Overview

The TAS2557YZT is a digital input smart amplifier manufactured by Texas Instruments, designed for high-efficiency audio applications. It operates within a supply voltage range of 1.65 V to 1.95 V and delivers up to 5.7 W of output power into a 4-ohm load. The device features a total harmonic distortion plus noise (THD+N) of 0.02% and includes integrated thermal protection. It utilizes a DSBGA-42 package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Digital input interface for simplified system integration
• High efficiency Class-D amplification architecture
• Integrated thermal shutdown protection

Applications

• Smart speaker systems
• Portable audio devices
• Automotive infotainment speakers

Procurement Notes

Verify the specific suffix 'YZT' against the manufacturer's official datasheet to confirm tape-and-reel packaging and exact pinout configuration. Ensure compatibility with the required 1.65 V to 1.95 V supply rails and 4-ohm load impedance before finalizing procurement orders.

Selection Notes

Select this component when a compact, digitally controlled audio solution is required for space-constrained designs. It is suitable for applications demanding low distortion and high power density within a small footprint, provided the system can support the specified narrow voltage window.

Part Context

This part belongs to the TAS255x series of smart amplifiers from Texas Instruments. These devices integrate digital signal processing capabilities with power amplification to optimize audio performance while protecting the connected transducer from damage due to over-temperature or over-current conditions.

Replacement Considerations

Consult the official TI datasheet for verified cross-reference part numbers. Generic substitutes may not match the precise digital control interface or thermal protection thresholds.