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TDA7056A from PHILIPS

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TDA7056A

Manufacturer: PHILIPS, NXP, PHI

3 W BTL mono audio output amplifier with DC volume control

Partnumber Manufacturer Quantity Availability
TDA7056A PHILIPS, NXP, PHI 8698 In Stock

Description and Introduction

3 W BTL mono audio output amplifier with DC volume control The TDA7056A is a mono BTL (Bridge-Tied Load) audio amplifier manufactured by NXP Semiconductors. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.5 V to 18 V  
- **Output Power:**  
  - 6 W (typical at 16 Ω, 12 V, THD = 10%)  
  - 3 W (typical at 32 Ω, 12 V, THD = 10%)  
- **Quiescent Current:** 9 mA (typical)  
- **Total Harmonic Distortion (THD):** 0.5% (typical at 1 W, 8 Ω)  
- **Gain:** 40 dB (fixed)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DIP8 (Dual In-line Package, 8 pins)  

### **Descriptions:**  
- The TDA7056A is a monolithic integrated class-B amplifier designed for portable audio applications.  
- It features a BTL output configuration, eliminating the need for an external output coupling capacitor.  
- The amplifier includes built-in protection against short circuits and thermal overload.  
- It is optimized for low-voltage operation, making it suitable for battery-powered devices.  

### **Features:**  
- **No External Components Required:** Minimal external components needed for operation.  
- **Mute Mode:** Includes a mute function controlled by a DC voltage.  
- **Short-Circuit Protection:** Built-in protection against output short circuits.  
- **Thermal Overload Protection:** Safeguards the device from excessive temperature.  
- **Low Standby Current:** Energy-efficient design for battery-powered applications.  
- **Wide Supply Voltage Range:** Operates from 4.5 V up to 18 V.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3 W BTL mono audio output amplifier with DC volume control

Alternative Part Number

  • LM4863 --: Dual/ stereo class-AB audio power amplifier with similar output power range and supply voltage, commonly used as a functional substitute in audio output stages.
  • TDA2822M --: Widely available low-voltage dual audio power amplifier offering comparable output power and simple application circuit, suitable for speaker drive replacement.
  • PAM8403 --: Class-D stereo audio amplifier with similar power output and supply range, providing higher efficiency as a modern alternative for audio amplification.
  • LM386N-4 --: Widely available low-voltage audio power amplifier in a DIP package, commonly used as a substitute in similar small audio amplifier designs.
  • TDA2003 --: Class AB audio power amplifier in a 5-pin package, provides comparable audio amplification for low-power speaker applications with a different series.

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