TAS5111DAD

Overview

The Texas Instruments TAS5111DAD is a high-performance digital amplifier power stage designed to drive 4-ohm speakers up to 70 W RMS with less than 0.2% THD+N. It utilizes PurePath Digital technology and operates with a 3.3-V digital interface. The device features a thermally enhanced 32-pin TSSOP PowerPAD package. Electrical characteristics include a dynamic range of 95 dB, system output stage efficiency greater than 90%, and built-in overcurrent, overtemperature, and undervoltage protection.

Feature Summary

• Integrates self-protecting design with autorecovery capabilities for fault conditions
• Delivers high-efficiency digital audio amplification exceeding 90% into standard loads
• Incorporates comprehensive thermal and electrical safeguards including overcurrent and undervoltage lockout

Applications

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

Procurement Notes

Verify the specific DAD suffix confirms the 32-pin TSSOP PowerPAD package configuration. Confirm that the component meets RoHS standards as specified in the datasheet. Ensure compatibility with the required 3.3 V digital logic levels and appropriate PWM processor integration for proper system operation.

Selection Notes

Select this component when designing systems requiring high-power digital amplification with minimal distortion. Ensure the application supports the necessary passive demodulation filter design to maintain performance specifications. Verify that the thermal management strategy accommodates the junction-to-ambient resistance requirements for the intended operating environment.

Part Context

This part belongs to the TAS511x series of digital amplifier power stages from Texas Instruments. It is specifically engineered to work in conjunction with digital audio PWM processors like the TAS5026. The device represents TI's PurePath Digital technology, focusing on high fidelity and efficiency in compact form factors suitable for consumer electronics.

Replacement Considerations

TAS5111ADAD

FAQ

How does the TAS5111 handle error conditions?

The device features a self-protecting design with autorecovery capabilities. It monitors for overcurrent, overtemperature, and undervoltage conditions, setting the output stage to a high-impedance state to protect the device and connected equipment.

What is the recommended digital interface voltage?

The TAS5111DAD operates with a 3.3-V digital interface (DVDD). The datasheet specifies a recommended operating condition of 3.3 V for the digital supply relative to DGND.