STMicroelectronics TDA7294V: High-Performance 100W Mono Audio Amplifier IC | Features & Applications
STMicroelectronics TDA7294V: High-Performance 100W Mono Audio Amplifier IC
The TDA7294V by STMicroelectronics is a premium mono audio amplifier IC engineered for high-fidelity sound reproduction in demanding applications. With a 100W output power at 8 , Class AB topology, and advanced protection mechanisms, this IC is a top choice for audiophiles, engineers, and OEMs. Below, we explore its specifications, benefits, and ideal use cases to help you optimize your audio projects.
Product Overview
The TDA7294V falls under Linear - Amplifiers - Audio (Integrated Circuits) and is Active in STMicroelectronics' portfolio. It combines high power output with low distortion, making it suitable for:
- Home theater amplifiers
- Car audio systems
- Professional PA and studio equipment
- DIY audio projects
Key Features and Technical Specifications
1. Class AB Amplification
- Delivers low distortion (THD < 0.1%) and high efficiency, ensuring crisp audio quality across frequencies.
2. 100W Output Power @ 8
- Robust enough to drive large speakers, subwoofers, or line arrays without clipping.
- Supports 4 16 loads for versatile compatibility.
3. Wide Voltage Range (10V 40V)
- Flexible power supply options for both low-voltage (portable) and high-voltage (professional) setups.
4. Advanced Protection Systems
- Depop Circuitry: Eliminates turn-on/off noise.
- Mute/Standby Modes: Reduces power consumption during idle states.
- Thermal Shutdown: Prevents overheating at >150 C.
- Short-Circuit Protection: Safeguards output stages.
5. 15-Multiwatt Package
- Through-hole design with staggered leads for superior heat dissipation and mechanical stability.
6. Operating Conditions
- Temperature range: 0 C to 70 C (ambient).
- Storage temperature: -40 C to 150 C.
Applications
The TDA7294V excels in:
- Hi-Fi Audio Systems: Bookshelf speakers, subwoofers.
- Automotive Audio: Aftermarket amplifiers.
- Live Sound: Portable PA amplifiers.
- Industrial: Alarm systems, ultrasonic drivers.
Why Choose the TDA7294V?
- Unmatched Audio Quality: Minimal noise and distortion for studio-grade sound.
- Durability: Built-in protections extend lifespan.
- Design Flexibility: Compatible with single/dual power supplies.
- Cost-Effective: High power density reduces system costs.
Design Tips for Optimal Performance
- Use a heatsink (thermal resistance < 1.5 C/W) for sustained high-power operation.
- Decouple power supplies with 1000 F capacitors near the IC pins.
- Keep input traces short to minimize noise interference.
Conclusion
The TDA7294V is a standout mono audio amplifier IC for high-power applications requiring reliability and superior sound. Its blend of 100W output, Class AB efficiency, and robust protections makes it a go-to solution for audio engineers worldwide.
Ready to integrate the TDA7294V? Contact us for samples or technical support. For datasheets and reference designs, visit STMicroelectronics' official website.