SA58672TK,138

Overview

The SA58672TK,138 is a mono filter-free Class-D audio amplifier manufactured by NXP USA Inc. It operates on a supply voltage range of 2.0 V to 5.5 V and delivers up to 3.0 W into a 4 Ω load at 5 V. The device features differential inputs, shutdown control, and high PSRR. It is housed in a 10-terminal HVSON package (SOT650-1) measuring 3 × 3 × 0.85 mm with an exposed die attach paddle for thermal management.

Feature Summary

• Filter-free operation utilizing internal PWM generation
• Differential input topology for improved noise immunity
• Integrated thermal and short-circuit protection
• Low power consumption with shutdown mode

Applications

• Wireless and cellular handsets
• Portable DVD players
• USB speakers
• Notebook PCs
• Portable radios and gaming devices

Procurement Notes

Verify the specific ordering suffix TK,138 against current NXP documentation to confirm packaging details and availability status. Cross-reference the manufacturer part number with authorized distributor databases to ensure authenticity. Confirm RoHS compliance and environmental declarations prior to procurement.

Selection Notes

Select this component for applications requiring high efficiency and minimal external components. Ensure the PCB layout accommodates the HVSON10 package dimensions and provides adequate thermal grounding via the exposed paddle. Verify that the load impedance matches the desired output power specifications within the operating voltage range.

Part Context

This component belongs to the SA58672 series of mono Class-D audio amplifiers. It is designed for portable battery-powered devices where space and efficiency are critical constraints. The series includes variants such as the UK version in a WLCSP package.

Replacement Considerations

Public confirmed substitute part numbers: None identified.