FDA802-VYY

Overview

The FDA802-VYY is a dual-bridge Class-D digital input automotive power amplifier manufactured by STMicroelectronics. It integrates a high-performance D/A converter with powerful MOSFET outputs, achieving an S/N ratio and dynamic range of 110 dB. The device supports I2S and TDM digital inputs at sampling frequencies up to 192 kHz. It operates on a wide supply voltage range from 5.5 V to 50 V, enabling high output power under boosted conditions (e.g., 2 x 150 W @ 4 Ω / 35 V). Packaged in LQFP64 with an exposed pad up, it is AEC-Q100 qualified.

Feature Summary

• Integrates a high-performance D/A converter for superior audio fidelity
• Supports I2S and TDM digital inputs with full I2C bus configurability
• Features comprehensive diagnostics including short-to-Vcc/GND and load detection
• Includes EMI control solutions for FM/AM compatibility

Applications

• Car radio applications
• Standard single DIN car-radio boxes
• Automotive audio systems requiring low voltage operation

Procurement Notes

Verify the specific ordering suffix '-VYY' corresponds to tray packing as indicated in the datasheet summary table. Confirm component status, as related FDA802 variants may be marked NRND. Ensure design compliance with AEC-Q100 requirements and verify package dimensions against the provided mechanical data before finalizing procurement.

Selection Notes

Select this component for designs requiring integrated digital-to-analog conversion and robust diagnostic capabilities within a compact form factor. The wide operating supply range accommodates both standard battery voltages and boosted supplies. Consider the LQFP64 package constraints and thermal management requirements associated with high-power MOSFET outputs.

Part Context

The FDA802 belongs to STMicroelectronics' portfolio of automotive audio power amplifiers designed using advanced BCD technology. It is engineered specifically for car radio applications, offering higher efficiency compared to standard Class AB amplifiers. The device family emphasizes integration, combining digital interfaces, analog processing, and power stages into a single solution.

Replacement Considerations

The FDA802-VYT is a functional equivalent differing only in packing method (Tape & Reel vs. Tray). Verify if alternative packaging meets assembly line requirements. No other direct substitutes are confirmed in the provided documentation.