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TDA8426 from PHI,Philips

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TDA8426

Manufacturer: PHI, PHILIPS

Hi-fi stereo audio processor; I2C-bus

Partnumber Manufacturer Quantity Availability
TDA8426 PHI, PHILIPS 3073 In Stock

Description and Introduction

Hi-fi stereo audio processor; I2C-bus The TDA8426 is a stereo audio processor IC manufactured by PHILIPS (now NXP Semiconductors).  

### **Specifications:**  
- **Type:** Stereo Audio Processor  
- **Supply Voltage (VCC):** 8.5V to 13.2V (typical 12V)  
- **Operating Current:** 30mA (typical)  
- **Signal-to-Noise Ratio (SNR):** >80dB  
- **Total Harmonic Distortion (THD):** <0.1%  
- **Channel Separation:** >70dB  
- **Control Interface:** I²C Bus (for tone, volume, balance, and input selection)  
- **Package:** DIP-20 (Dual In-line Package)  

### **Descriptions and Features:**  
- **Dual-Channel Audio Processing:** Handles stereo (left and right) audio signals.  
- **Tone Control:** Adjustable bass and treble settings via I²C.  
- **Volume and Balance Control:** Digitally controlled via I²C interface.  
- **Input Selection:** Supports multiple audio inputs (up to 4 sources).  
- **Soft Mute Function:** Reduces noise during switching.  
- **Wide Voltage Range:** Operates efficiently within 8.5V–13.2V.  
- **Low Distortion:** Ensures high-quality audio output.  

The TDA8426 is commonly used in car audio systems, home stereos, and other audio processing applications requiring digital control.

Application Scenarios & Design Considerations

Hi-fi stereo audio processor; I2C-bus

Alternative Part Number

  • LM1036N --: Dual DC-operated tone/volume control IC with similar audio tone and volume processing function, widely available and pin-compatible in many designs.
  • TDA1524A --: Stereo tone and volume control IC from a different series, offering comparable bass/treble/volume control for audio applications.
  • PT2313L --: Audio processor with volume, tone, and balance control, suitable as a functional substitute in audio systems where exact pinout is not critical.

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