FDA2100LV-T

Overview

The FDA2100LV-T is a dual bridge Class-D power amplifier utilizing BCD6-SOI technology, designed for automotive radio applications. It integrates a high-performance D/A converter with powerful MOSFET output stages to achieve high efficiency and low distortion. The device supports I2S and TDM digital inputs at sampling frequencies of 44.1 kHz, 48 kHz, 96 kHz, and 192 kHz. It features an integrated step-up driver capable of delivering up to 150 W output power with a standard 14 V supply. The operating voltage range is 6 V to 35 V with an 8 Ω load. It includes full diagnostics via the I2C bus and EMI control solutions for FM/AM compatibility.

Feature Summary

• Integrates a high-performance D/A converter with a 105 dB dynamic range and 110 dB S/N ratio.
• Features an internal step-up driver to enable high output power under standard vehicle battery voltages.
• Includes comprehensive diagnostic arrays accessible via the I2C bus for speaker status monitoring.
• Incorporates EMI control mechanisms and Low Radiation Function (LRF) for radio compatibility.

Applications

• Automotive car radio systems
• Vehicle infotainment audio processing
• Low voltage operation environments including start-stop battery profiles

Procurement Notes

Verify the specific suffix 'T' against the official STMicroelectronics datasheet to confirm tape-and-reel packaging details. Ensure the component meets AEC-Q100 qualification requirements if specified in the final product documentation. Cross-reference the exact part number with authorized distributors to confirm current availability and lead times prior to procurement.

Selection Notes

Select this component for applications requiring high power density and digital input integration within a single package. The built-in D/A converter reduces external component count compared to analog input amplifiers. Consider the 6 V to 35 V operating range for vehicles with fluctuating supply voltages. Verify that the system design accommodates the required I2S or TDM interface protocols and I2C diagnostic communication lines.

Part Context

This device belongs to the FDA series of automotive audio amplifiers from STMicroelectronics. It utilizes advanced BCD technology to combine digital signal processing capabilities with high-voltage power output stages. The design focuses on reducing electromagnetic interference while maintaining high audio fidelity in electrically noisy automotive environments.

Replacement Considerations

Consult official substitution lists for equivalent dual-bridge Class-D amplifiers with integrated DACs. Verify pinout compatibility and thermal performance characteristics before replacing existing designs. Ensure the alternative component supports the same digital input formats and diagnostic interfaces.