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TDA7388A from ST,ST Microelectronics

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TDA7388A

Manufacturer: ST, STM

Quad BTL output power amplifier with stand-by and mute inputs, clip and offset detections

Partnumber Manufacturer Quantity Availability
TDA7388A ST, STM 4247 In Stock

Description and Introduction

Quad BTL output power amplifier with stand-by and mute inputs, clip and offset detections The TDA7388A is an audio amplifier IC manufactured by STMicroelectronics (STM). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Output Power:** 4 x 45W (max) at 14.4V, 1kHz, 10% THD, 4Ω  
- **Operating Voltage Range:** 8V to 18V  
- **Quiescent Current:** 120mA (typical)  
- **Total Harmonic Distortion (THD):** 0.1% (typical at 1kHz, 4Ω, 30W)  
- **Signal-to-Noise Ratio (SNR):** >95dB  
- **Standby Function:** Yes (low consumption mode)  
- **Mute Function:** Yes  
- **Package:** Flexiwatt 25 (multiwatt 15V)  

### **Descriptions:**  
- The TDA7388A is a quad bridge car radio amplifier designed for high-power audio applications.  
- It features four independent amplifier channels with high output power capability.  
- The device includes built-in protection circuits against short circuits, overvoltage, and thermal overload.  

### **Features:**  
- **High Output Power:** Capable of driving four speakers with up to 45W per channel.  
- **Low Distortion:** Ensures high-quality sound reproduction.  
- **Standby & Mute Control:** Allows power-saving modes and audio muting.  
- **Short-Circuit & Thermal Protection:** Enhances reliability in automotive environments.  
- **Wide Supply Voltage Range:** Suitable for 12V automotive systems.  
- **Minimal External Components:** Simplifies PCB design and reduces BOM cost.  

This information is based on the manufacturer's datasheet. For detailed technical parameters, refer to STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

Quad BTL output power amplifier with stand-by and mute inputs, clip and offset detections

Alternative Part Number

  • TDA7850 --: Same Class-AB quad bridge car audio amplifier family with higher output power and compatible pinout, widely used as a drop-in upgrade for TDA7388A.
  • TDA7560 --: Quad bridge power amplifier in the same TDA series with similar supply range and pinout, suitable replacement for automotive head unit applications.
  • PAL007A --: Alternative quad bridge car audio amplifier from a different ST series with comparable output power and supply voltage, usable as a functional substitute.
  • TDA7388 --: Same TDA7388 family audio amplifier with nearly identical pinout and function; the non-A version is a widely available drop-in substitute when the A-grade variant is unavailable.

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