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TDA7469 from ST,ST Microelectronics

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TDA7469

Manufacturer: ST

LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPLIFIER

Partnumber Manufacturer Quantity Availability
TDA7469 ST 1551 In Stock

Description and Introduction

LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPLIFIER The TDA7469 is an integrated circuit (IC) manufactured by STMicroelectronics (ST). Below are the factual details about the part:

### **Specifications:**
1. **Type:** Audio Processor IC  
2. **Function:** Digital-controlled audio processor with volume, bass, treble, balance, and loudness control  
3. **Supply Voltage (VCC):** 8V to 10V (operating range)  
4. **Total Harmonic Distortion (THD):** Typically low (exact value depends on application conditions)  
5. **Signal-to-Noise Ratio (SNR):** High (specific value not provided in Ic-phoenix technical data files)  
6. **Control Interface:** I²C (Inter-Integrated Circuit) bus for digital control  
7. **Package:** DIP (Dual In-line Package) or SO (Small Outline)  

### **Descriptions:**
- The TDA7469 is designed for high-quality audio processing in consumer electronics, such as stereo systems and home theater setups.  
- It allows digital adjustment of audio parameters like volume, bass, treble, balance, and loudness via an I²C interface.  
- The IC is optimized for low distortion and high-fidelity sound reproduction.  

### **Features:**
1. **Volume Control:** Digital adjustment with a wide range  
2. **Tone Control:** Adjustable bass and treble settings  
3. **Balance Control:** Left/right channel balance adjustment  
4. **Loudness Compensation:** Enhances audio at low volumes  
5. **I²C Bus Interface:** Allows microcontroller-based control  
6. **Low Noise:** Designed for high-quality audio performance  
7. **Standby Mode:** Low-power consumption when inactive  

For exact electrical characteristics and application details, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPLIFIER

Alternative Part Number

  • BD37534FV --: Audio sound processor with tone/volume control and 3-band equalizer, functionally similar to the TDA7469 audio processor and widely available.
  • PT2314 --: I2C-controlled audio processor with volume, tone, balance and loudness functions, a common substitute for ST audio processors in car radio designs.
  • TDA7419 --: Higher-grade ST audio processor in the same family with similar I2C control and tone/volume features, usable as an upgrade path when TDA7469 is unavailable.
  • TDA7448 --: Similar ST audio processor family device offering multi-input selection and volume/tone control, usable as a close functional replacement.

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