TAS5111DADR

Overview

The TAS5111DADR is a high-performance digital amplifier power stage in a 32-pin TSSOP PowerPAD package. It delivers up to 70 W RMS into 4 Ω loads with less than 0.2% THD+N. The device operates with a 3.3 V digital interface and achieves greater than 90% efficiency into 4-Ω and 8-Ω loads. It features a dynamic range of 95 dB when used with the TAS5026 processor. Built-in protections include overcurrent, overtemperature, and undervoltage protection with autorecovery capabilities.

Feature Summary

• Incorporates PurePath Digital technology for high-efficiency digital audio amplification
• Features self-protecting design with autorecovery from fault conditions
• Includes overcurrent, overtemperature, and undervoltage protection systems
• Utilizes a thermally enhanced 32-pin TSSOP PowerPAD package

Applications

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

Procurement Notes

Verify the specific ordering suffix DAD corresponds to the 32-pin TSSOP PowerPAD package with an operating temperature range of 0°C to 70°C. Confirm compatibility with the TAS50XX series PWM processor for proper system integration. Ensure that the demodulation filter design adheres to recommended guidelines to maintain performance and protection functionality.

Selection Notes

Select this component for applications requiring high-power digital amplification with efficient thermal management. The device is suitable for driving 4-Ω or 8-Ω speakers with minimal distortion. Consider the required heatsink thermal resistance based on the desired output power and ambient temperature conditions. Ensure the system design supports the necessary 3.3 V digital interface and power supply voltages.

Part Context

The TAS5111 is part of Texas Instruments' PurePath Digital family, designed to work in conjunction with digital audio PWM processors like the TAS5026. It serves as the power stage in TDAA (Texas Instruments Digital Audio Amplifier) systems, providing the final amplification stage for high-quality audio reproduction in consumer electronics.

Replacement Considerations

No public confirmed substitute part numbers are documented in the provided datasheet.