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TDA7418 from ST,ST Microelectronics

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TDA7418

Manufacturer: ST, STM

3 BAND CAR AUDIO PROCESSOR

Partnumber Manufacturer Quantity Availability
TDA7418 ST, STM 5314 In Stock

Description and Introduction

3 BAND CAR AUDIO PROCESSOR The TDA7418 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:** Digital Controlled Audio Processor  
- **Package:** SO-28 (Small Outline 28-pin)  
- **Operating Voltage:** 8V to 10V (typical)  
- **Current Consumption:** ~20mA (typical)  
- **Signal-to-Noise Ratio (SNR):** >90dB  
- **Total Harmonic Distortion (THD):** <0.01%  
- **Control Interface:** I²C (Serial Control Bus)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The TDA7418 is a digital-controlled audio processor designed for high-quality audio applications. It provides multiple audio processing functions, including tone control (bass, treble, midrange), volume adjustment, balance, and input selection. It is commonly used in car audio systems, home theater setups, and professional audio equipment.

### **Features:**
- **4-Channel Input Selector** (with soft switching)  
- **Bass, Midrange, and Treble Control** (adjustable frequency and gain)  
- **Loudness Function** (compensates for low-volume listening)  
- **Volume Control** (with mute function)  
- **Balance & Fader Adjustment** (for stereo sound distribution)  
- **I²C Bus Control** (allows digital interfacing with microcontrollers)  
- **Low Noise & Low Distortion** (suitable for high-fidelity audio)  
- **Standby Mode** (for power saving)  

This information is based on the official datasheet and technical documentation from STMicroelectronics.

Application Scenarios & Design Considerations

3 BAND CAR AUDIO PROCESSOR

Alternative Part Number

  • BD37534FV --: Automotive audio sound processor with built-in 3-band equalizer and volume control, functionally similar to the TDA7418 and widely used as a drop-in class replacement.
  • PT2314 --: Audio processor IC with input selector, volume, tone and loudness control, offering comparable signal-processing features for car audio head units.
  • TDA7448 --: Same-vendor audio processor with volume, tone and balance control functions, providing a familiar ST architecture and similar I2C control interface.
  • LV3313PM --: Electronic volume and tone control IC for car audio, offering similar signal processing features and a comparable application fit.

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