4 x 6W POWER AMPLIFIER FOR CAR RADIO The TDA7372A is a dual bridge amplifier manufactured by STMicroelectronics (ST). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Type:** Dual Bridge Amplifier (Class AB)
- **Output Power:**
- 2 x 22W @ 4Ω, 14.4V, 1kHz, 10% THD
- 2 x 15W @ 4Ω, 12V, 1kHz, 10% THD
- 2 x 11W @ 2Ω, 14.4V, 1kHz, 10% THD
- **Supply Voltage Range:** 8V to 18V
- **Operating Voltage:** 14.4V (typical)
- **Quiescent Current:** 80mA (typical)
- **Total Harmonic Distortion (THD):** 0.1% (typical)
- **Signal-to-Noise Ratio (SNR):** 90dB (typical)
- **Gain:** 26dB (fixed)
- **Standby Current:** < 1mA
### **Descriptions:**
- The TDA7372A is designed for car radio applications, providing high-quality audio amplification in a compact package.
- It features two independent bridge amplifiers, allowing stereo or mono (BTL) operation.
- The device includes built-in protection circuits for short-circuit, thermal overload, and overvoltage conditions.
### **Features:**
- **Dual Bridge Configuration:** Supports stereo or mono BTL output.
- **Mute & Standby Functions:** Allows power-saving modes.
- **Low External Component Count:** Simplifies circuit design.
- **Thermal Protection:** Prevents damage from overheating.
- **Short-Circuit Protection:** Safeguards against output shorts.
- **No External Bootstrap Capacitors Needed:** Reduces PCB space.
- **High Output Power Capability:** Suitable for automotive audio systems.
The TDA7372A is housed in a **Multiwatt15V** package for efficient heat dissipation.
