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TDA7421 from ST,ST Microelectronics

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TDA7421

Manufacturer: ST

AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS

Partnumber Manufacturer Quantity Availability
TDA7421 ST 8500 In Stock

Description and Introduction

AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS The TDA7421 is an integrated circuit (IC) manufactured by STMicroelectronics (ST). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** Audio Signal Processor  
- **Package:** SSOP-28 (Shrink Small Outline Package)  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Total Harmonic Distortion (THD):** Typically low (specific values depend on application conditions)  
- **Signal-to-Noise Ratio (SNR):** High (exact value depends on configuration)  
- **Control Interface:** I²C (Inter-Integrated Circuit) bus compatible  

### **Descriptions:**  
The TDA7421 is a high-performance audio signal processor designed for car radio and audio system applications. It provides advanced audio processing functions, including tone control, volume adjustment, and input/output signal routing. The device is controlled via an I²C interface, allowing for flexible integration into digital audio systems.

### **Features:**  
- **4 Analog Inputs:** Configurable for different audio sources.  
- **Bass, Mid, Treble Controls:** Adjustable frequency response.  
- **Loudness Function:** Enhances audio at low volume levels.  
- **Input Gain Adjustment:** Allows matching of different signal levels.  
- **Output Volume Control:** Digital control of output levels.  
- **Mute Function:** Software-controlled mute capability.  
- **Low Power Consumption:** Suitable for automotive applications.  
- **I²C Bus Control:** Enables easy interfacing with microcontrollers.  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS

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