TDF8548ATH/N1ZU

Overview

The TDF8548ATH/N1ZU is a four-channel Class AB audio amplifier manufactured by NXP USA Inc. It operates within a supply voltage range of 6V to 18V and utilizes a 36-HSOP surface-mount package with exposed pad. The device delivers a maximum output power of 28W per channel into a 4-ohm load. Key integrated features include pop-and-click suppression, short-circuit protection, and thermal shutdown capabilities.

Feature Summary

• Four-channel Class AB amplification architecture
• Integrated pop-and-click suppression circuitry
• Short-circuit and thermal protection mechanisms

Applications

• Automotive infotainment systems
• Multi-speaker vehicle sound reinforcement
• High-fidelity audio distribution networks

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix designation matches project requirements. Review the official datasheet for handling precautions and soldering profiles. Ensure compliance with applicable environmental regulations prior to integration.

Selection Notes

Evaluate the 36-HSOP package constraints against PCB layout limitations. Assess thermal management strategies given the high power dissipation characteristics. Verify that the 6V to 18V supply range aligns with the target system's electrical architecture. Consider the four-channel configuration for simplified multi-speaker designs.

Part Context

This component belongs to the TDF854 series of automotive-grade audio amplifiers. It is designed for robust performance in demanding vehicular environments. The series emphasizes high efficiency and reliability for complex audio applications requiring multiple independent speaker outputs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult NXP technical support for validated alternatives if this discontinued unit is required.