TDA7294 IC Power Amplifier – STMicroelectronics, High-Performance Audio Amplifier

Description

TDA7294 IC is a high-performance Class AB audio amplifier designed for HiFi sound systems, DIY amplifier projects, active speakers, and home theater applications. Built for powerful output and low distortion audio performance, the TDA7294 IC delivers reliable and crystal-clear sound quality.  The TDA7294 is a Class AB audio amplifier IC from STMicroelectronics, offering excellent sound quality and high output power for various audio applications. Here are the key features and technical details:

Features of TDA7294 IC:

• Output Power: Up to 100W RMS (at ±40V) into 4Ω, 75W into 8Ω, ideal for home audio systems or professional setups.
• Class AB Operation: Ensures high power efficiency and low crossover distortion, resulting in clearer and more dynamic sound.
• High Voltage Range: Operates with a voltage range of ±18V to ±40V, providing flexibility for various amplifier designs.
• Built-in Protection Features: Includes short-circuit protection, thermal shutdown, and mute/standby functions to safeguard the IC and connected devices.
• Thermal Management: The thermal shutdown feature prevents overheating during high-power operation.
• Low Distortion: Total Harmonic Distortion (THD) is <0.1%, delivering clean, distortion-free sound.
• Frequency Response: 20Hz to 20kHz, ensuring full-range audio reproduction.
• Package Types: Available in TO-220 and TO-263 packages for ease of integration.

Technical Specifications:

• Total Harmonic Distortion (THD): ≤0.1% at rated power.
• Quiescent Current: 50mA (typical) for low idle power consumption.
• Power Supply: ±18V to ±40V.
• Standby/Mute Functions: Internal control for muting during power-up/down.

Applications:

• Home Audio Systems: Suitable for high-fidelity sound systems with minimal distortion.
• Active Speakers: Ideal for self-powered speaker systems.
• Premium Television Audio: Perfect for delivering high-quality audio in TV sound setups.

Benefits:

• Superior Sound Quality: The low distortion and efficient DMOS power stage offer crystal-clear, high-fidelity audio output.
• Efficient Power Handling: Operates with low heat dissipation, ensuring a cooler and more reliable amplifier.
• Built-in Safety Features: Integrated protection mechanisms make it a durable choice for extended use.

For full technical details and the complete datasheet, you can download the official TDA7294 datasheet directly from STMicroelectronics.

The TDA7294 IC is an excellent choice for HiFi audio amplifiers, active speakers, and DIY sound systems. With low distortion, high output power, and built-in protection features, this Class AB amplifier IC delivers reliable and high-quality audio performance.