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TDA7427D

AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

Partnumber Manufacturer Quantity Availability
TDA7427D 293 In Stock

Description and Introduction

AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER The TDA7427D is a digital controlled audio processor manufactured by STMicroelectronics.  

### **Specifications:**  
- **Type:** Digital Controlled Audio Processor  
- **Supply Voltage (VCC):** 8V to 10V  
- **Operating Voltage Range:** 7.5V to 10.5V  
- **Current Consumption:** 70mA (typical)  
- **Signal-to-Noise Ratio (SNR):** 90dB (typical)  
- **Total Harmonic Distortion (THD):** 0.01% (typical)  
- **Number of Inputs:** 4 stereo inputs  
- **Number of Outputs:** 1 stereo output  
- **Control Interface:** I²C Bus  
- **Package:** SO-28  

### **Descriptions:**  
The TDA7427D is designed for high-quality audio processing in car radio and multimedia systems. It provides tone control (bass, treble), volume adjustment, balance, fader, and loudness functions. It supports four stereo inputs and processes signals digitally via I²C control.  

### **Features:**  
- **Tone Control:** Adjustable bass and treble  
- **Volume Control:** Digital attenuation  
- **Balance & Fader:** Adjusts left/right and front/rear levels  
- **Loudness Function:** Enhances low and high frequencies at low volumes  
- **Input Selector:** 4 stereo inputs  
- **Soft Mute:** Smooth muting transition  
- **Low Distortion & Noise:** High audio quality  
- **I²C Bus Control:** Allows digital configuration  

The TDA7427D is commonly used in automotive audio systems for signal processing and enhancement.

Application Scenarios & Design Considerations

AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

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