TPA2028D1YZFT

Overview

The TPA2028D1YZFT is a single-channel mono Class-D audio amplifier manufactured by Texas Instruments. It delivers 3 W of output power into a 4-ohm load with 1% THD+N. The device operates on a single supply voltage ranging from 2.5 V to 5.5 V and draws 2 mA of quiescent current. It features adjustable gain from -28 dB to +30 dB and an input offset voltage of 1.5 mV. The component functions within a temperature range of -40°C to +85°C and is housed in a compact 9-pin DSBGA package.

Feature Summary

• Integrates SmartGain technology for automatic gain control and dynamic range compression
• Supports I2C interface for digital volume control and configuration
• Includes differential input capability for improved noise rejection
• Features built-in thermal and short-circuit protection mechanisms

Applications

• Portable multimedia devices requiring high-efficiency audio amplification
• Smart home speakers and voice-controlled assistants
• Automotive infotainment systems with limited power budgets
• Wireless microphones and portable recording equipment

Procurement Notes

Verify the exact suffix YZFT against the manufacturer's latest datasheet to confirm pinout and electrical specifications. Ensure compatibility with the intended PCB footprint, specifically the 9-DSBGA package dimensions. Confirm RoHS compliance status if required by regional regulations. Cross-reference the part number with authorized distributors to avoid counterfeit components. Validate that the operating voltage range matches the system power supply design.

Selection Notes

Select this component when a mono Class-D amplifier with integrated SmartGain AGC and DRC is required. It is suitable for applications needing digital volume control via I2C. Consider the 9-DSBGA package size for space-constrained designs. Compare performance metrics such as THD+N and quiescent current against alternative models like the TPA2029D1YZFT or TPA2032D1YZFT based on specific impedance and power requirements.

Part Context

This part belongs to the TPA2028D1 series of audio amplifiers from Texas Instruments. The series focuses on delivering high-quality audio with minimal external components. The TPA2028D1 variant specifically targets mono applications with smart gain management features. It is designed to simplify system design by integrating control interfaces and protection circuits directly into the amplifier core.

Replacement Considerations

The TPA2028D1YZFR is the reel version of the same component. Verify pin compatibility before substituting with other TPA202x series devices.