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TDA7072 from PHILIPS

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TDA7072

Manufacturer: PHILIPS, PHI

Single BTL power driver

Partnumber Manufacturer Quantity Availability
TDA7072 PHILIPS, PHI 307 In Stock

Description and Introduction

Single BTL power driver The TDA7072 is a dual BTL (Bridge Tied Load) power amplifier manufactured by PHILIPS (now NXP Semiconductors). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Supply Voltage (VS):** 4.5V to 18V  
- **Output Power:** 4.5W per channel (at 12V, 4Ω, THD = 10%)  
- **Load Impedance:** 4Ω to 16Ω  
- **Quiescent Current:** 9mA (typical)  
- **Total Harmonic Distortion (THD):** 0.5% (typical at 1W, 8Ω)  
- **Signal-to-Noise Ratio (SNR):** 80dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DIP16 (Plastic Dual In-line Package)  

### **Descriptions:**  
- The TDA7072 is a dual-channel audio amplifier designed for low-power applications.  
- It operates in BTL mode, eliminating the need for output coupling capacitors.  
- Features built-in mute and standby functions for power-saving modes.  
- Designed for portable audio devices, car radios, and multimedia systems.  

### **Features:**  
- **Dual BTL Output:** Allows direct speaker connection without coupling capacitors.  
- **Low Standby Current:** Reduces power consumption when inactive.  
- **Thermal Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **Mute Function:** Enables audio signal muting via an external control.  
- **Wide Supply Voltage Range:** Suitable for battery-powered applications.  

This information is based on the official PHILIPS/NXP datasheet for the TDA7072.

Application Scenarios & Design Considerations

Single BTL power driver

Alternative Part Number

  • LM386 --: Widely available low-voltage audio power amplifier in the same class, commonly used as a substitute in audio driver stages.
  • TDA2822 --: Dual low-voltage audio power amplifier from a different series, suitable for similar small-signal audio applications.
  • NJM386 --: Pin-compatible audio power amplifier alternative with comparable supply voltage and output power ratings.
  • TBA820M --: Low-power audio amplifier IC with comparable supply range and output capability, usable as a functional replacement in many circuits.

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