FDA450LV-T

Overview

The FDA450LV-T is a quad bridge Class D power amplifier utilizing BCD-SOI technology, designed for automotive radio applications. It features integrated 108 dB D/A conversion and accepts I2S/TDM digital inputs at 3.3/1.8 V with sampling frequencies of 44.1 kHz, 48 kHz, 96 kHz, or 192 kHz. The device delivers up to 4 x 50 W into 4 Ω at 15.2 V and operates down to 6 V for start-stop systems. It includes built-in diagnostics via I2C, EMI control compliant with CEI EN 55025, and low radiation functions.

Feature Summary

• Integrated high-performance D/A converter with 108 dB dynamic range
• Built-in diagnostic array including load detection and fault monitoring
• Low voltage operation capability supporting 6 V start-stop specifications
• EMI control mechanisms ensuring FM/AM compatibility

Applications

• Car radio audio amplification
• Automotive infotainment systems
• Start-stop vehicle audio environments

Procurement Notes

Verify the specific ordering suffix against official STMicroelectronics documentation to confirm packaging details. Confirm that the component meets current environmental compliance standards such as ECOPACK specifications before finalizing procurement decisions.

Selection Notes

Select this component for designs requiring digital input integration without external DACs. Ensure the system supports I2S or TDM interfaces and requires robust diagnostic feedback for automotive reliability. Verify power supply constraints align with the 6 V minimum operating voltage requirement.

Part Context

This part belongs to the FDA450LV family of quad bridge Class D amplifiers. It utilizes BCD-SOI technology to integrate MOSFET outputs and digital processing on a single die. The TQFP100 package provides an exposed pad for thermal management.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.