10W AMPLIFIER The TDA7494S is a class-D audio amplifier manufactured by STMicroelectronics (STM). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Output Power:**
- 50W + 50W (stereo) at 10% THD, 8Ω, ±24V
- 100W (mono) at 10% THD, 8Ω, ±24V
- **Supply Voltage Range:** ±10V to ±25V
- **Operating Voltage Range:** ±7V to ±25V
- **Efficiency:** Up to 90%
- **THD (Total Harmonic Distortion):** < 0.5% (typical)
- **Signal-to-Noise Ratio (SNR):** > 90dB
- **Standby Current:** < 1mA
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** Multiwatt15V (15-pin vertical power package)
### **Descriptions:**
The TDA7494S is a high-efficiency class-D audio amplifier designed for high-power audio applications such as home theater systems, active speakers, and professional audio equipment. It integrates PWM modulation and output power stages, reducing external component requirements.
### **Features:**
- **Class-D Operation:** High efficiency with low heat dissipation.
- **Mono/Stereo Configurable:** Can be used in stereo (2x50W) or mono (1x100W) mode.
- **Standby and Mute Functions:** Low-power standby mode and mute control.
- **Short-Circuit Protection:** Includes thermal and overcurrent protection.
- **Low External Component Count:** Simplified design with minimal external parts.
- **Pop-Free Operation:** Soft start and stop to avoid audible noise.
This information is based on the manufacturer's datasheet and technical documentation.
