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Product Detailed Parameters
- Description：IC AMP D DUAL/QUAD 270W 92HIQUAD
- Series：-
- Mfr：STMicroelectronics
- Package：Tray
- Type：Class D
- Output Type：2-Channel (Stereo) or 4-Channel (Quad)
- Max Output Power x Channels @ Load：270W x 2 @ 2Ohm, 135W x 4 @ 4Ohm
- Voltage - Supply：-
- Features：Mute, Short-Circuit and Thermal Protection
- Mounting Type：Surface Mount
- Supplier Device Package：92-HiQUAD (14x20)
- Package / Case：92-PowerBQFP
- Operating Temperature：-
- Grade：-
- Qualification：-
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Overview
The FDA4100LV is a quad bridge Class D amplifier utilizing BCD-SOI technology, designed for automotive radio applications. It integrates a high-performance digital-to-analog converter and MOSFET outputs to achieve superior efficiency compared to standard Class AB designs. The device supports I2S and TDM digital inputs with sampling frequencies of 44.1 kHz, 48 kHz, 96 kHz, and 192 kHz. Key performance metrics include an integrated 108 dB D/A conversion, 110 dB S/N ratio, and 108 dB dynamic range. Output capabilities reach 4 x 135 W at 4 Ω or 2 x 150 W at 2 Ω under 25 V supply conditions. It features a built-in step-up driver for operation down to 6 V, ensuring compatibility with low-voltage start-stop vehicle specifications.
Feature Summary
- Integrates a high-performance digital-to-analog converter with powerful MOSFET outputs for outstanding efficiency and audio fidelity.
- Fully configurable via I2C bus interface with comprehensive diagnostics array monitoring individual speaker status.
- Includes output L-C low-pass filter within the feedback loop to ensure frequency response linearity and lower distortion.
- Features a built-in step-up driver enabling high output power from standard 14 V supply while supporting 6 V operation.
Applications
- Car radio applications
- Automotive infotainment systems
- Telematics systems
Procurement Notes
Verify component authenticity through authorized STMicroelectronics distributors. Confirm package integrity upon receipt. Ensure storage conditions comply with moisture sensitivity levels specified in the datasheet. Check for AEC-Q100 qualification marks on documentation. Validate pin configurations against official schematics before PCB integration.
Selection Notes
Select this component for designs requiring high-efficiency digital input amplification in space-constrained single DIN units. Consider its low voltage operation capability for modern start-stop vehicles. Evaluate EMI control features for FM/AM compatibility requirements. Assess the integrated D/A converter benefits for simplified system architecture.
Part Context
STMicroelectronics provides a wide range of integrated circuits for in-car entertainment and telematics. The FDA4100LV belongs to their portfolio of Class D power amplifiers, complementing other solutions like Class AB amplifiers and infotainment SoCs. These components support advanced audio fidelity and connectivity functions for diverse automotive markets.
Replacement Considerations
The FDA4100LV is marked as NRND (Not Recommended for New Designs). Engineers should consult STMicroelectronics for current recommended alternatives within the automotive amplifier family that maintain similar functionality and form factor.
FAQ
What is the minimum supply voltage supported by the FDA4100LV?
The FDA4100LV can operate down to a 6 V supply voltage, supporting low voltage start-stop car-maker specifications.
How does the FDA4100LV handle EMI issues?
It includes EMI control for FM/AM compatibility and complies with CEI EN 55025 (2009-10) standards, featuring a Low Radiation Function (LRF).
