Description
The TDA7294 audio amplifier module is a high-power, high-fidelity class AB amplifier capable of delivering up to 100W output. Based on the STMicroelectronics TDA7294 chip, this module is ideal for demanding audio applications requiring low distortion, thermal stability, and excellent sound performance.
Key Features
- High Output Power: Delivers up to 100W
- Low Distortion: Hi-Fi class AB architecture
- Integrated Protection: Thermal shutdown and short-circuit protection
- Mute/Standby Control: Software-controllable features
- Wide Voltage Support: Operates up to ±40V
- Stable Output: Built-in gain and current limiting
Specification
- Model: TDA7294
- Output Power: Up to 100W @ ±38V, 4Ω
- Chip Type: ST TDA7294
- Operating Voltage: ±10V to ±40V DC (dual power supply)
- Output Impedance: 4Ω – 8Ω
- Total Harmonic Distortion: ≤ 0.1%
- Signal-to-Noise Ratio: ≥ 90 dB
- Mute and Standby Control: Logic-controlled inputs
- Cooling Requirement: Requires external heatsink
- Board Size: ~50 mm × 40 mm
- Weight: ~40 g
Application
- DIY high-power speaker systems
- Home theater amplifiers
- Active subwoofer designs
- Studio audio equipment
- General-purpose audio amplification