FDA903S-6DT

Overview

The FDA903S-6DT is a single-channel Class-D audio amplifier designed for automotive applications. It integrates a 24-bit, 100 dB digital-to-analog converter (DAC) and supports I2S and TDM digital inputs with up to 16 channels in TDM mode. The device features selectable input sample rate frequencies and is AEC-Q100 qualified. It delivers 10W of output power and is housed in a 32-pin QFN package.

Feature Summary

• Integrated high-resolution 24-bit DAC with 100 dB performance
• Supports flexible digital audio interfaces including I2S and multi-channel TDM
• Automotive-grade reliability with AEC-Q100 qualification

Applications

• Automotive infotainment systems
• Car door speaker amplification
• Digital audio processing units in vehicles

Procurement Notes

Verify the specific ordering suffix matches the required package and tape/reel configuration. Confirm that the component meets the necessary automotive quality standards for your specific application environment. Ensure compatibility with existing digital audio interface protocols before procurement.

Selection Notes

Select this component when a single-channel solution with integrated high-fidelity DAC is required. It is suitable for designs needing direct digital audio input without external DACs. Consider the thermal performance of the QFN package for the expected power output in the target enclosure.

Part Context

This part belongs to the FDA903S family of single-channel Class-D amplifiers from STMicroelectronics. The family is tailored for automotive audio applications requiring compact solutions with integrated digital signal conversion capabilities.

Replacement Considerations

Check for FDA903S variants with different packaging options if the current footprint does not fit. Verify pinout compatibility with alternative single-channel automotive Class-D amplifiers if sourcing constraints exist.