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TDA7309D

Manufacturer: STM, ST

DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS

Partnumber Manufacturer Quantity Availability
TDA7309D STM, ST 5880 In Stock

Description and Introduction

DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS The TDA7309D is an integrated circuit (IC) manufactured by STMicroelectronics (STM). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (STM)  
- **Type:** Audio Processor IC  
- **Package:** SO-20 (Small Outline 20-pin)  
- **Operating Voltage:** 8V to 18V  
- **Output Power:** Not specified (depends on external amplifier configuration)  
- **Signal-to-Noise Ratio (SNR):** Typically high (exact value not specified in Ic-phoenix technical data files)  
- **Total Harmonic Distortion (THD):** Low (exact value not specified in Ic-phoenix technical data files)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TDA7309D is a digital-controlled audio processor designed for car radio and audio applications.  
- It provides functions such as volume control, balance, fader, and tone adjustments (bass, treble).  
- The IC is controlled via an I²C bus interface, allowing for easy integration with microcontrollers.  

### **Features:**  
- **Digital Control:** Adjustable via I²C interface.  
- **Audio Processing Functions:**  
  - Volume control  
  - Balance adjustment (left/right)  
  - Fader control (front/rear)  
  - Bass and treble adjustment  
- **Low Distortion:** Ensures high-quality audio output.  
- **Wide Operating Voltage Range:** Suitable for automotive applications (8V to 18V).  
- **Mute Function:** Allows muting of audio output when needed.  
- **Standby Mode:** Low power consumption when not in active use.  

This information is based strictly on the available knowledge base. For detailed electrical characteristics, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS

Alternative Part Number

  • PT2313L --: Audio processor with volume, tone and input selection functions, functionally similar to TDA7309D and widely used as a drop-in style replacement in audio systems.
  • TDA7439 --: Same manufacturer family audio processor with I2C control, volume/tone/balance features, close functional match to TDA7309D.
  • LM1036N --: Analog tone and volume control IC offering similar audio control functions, suitable for designs needing a simple alternative to TDA7309D.
  • M62429P --: Serial-controlled electronic volume/tone audio processor offering comparable functionality for audio control applications.

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