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TDA7222 from STM,ST Microelectronics

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TDA7222

Manufacturer: STM, ST

3V AM/FM ONE-CHIP RADIO

Partnumber Manufacturer Quantity Availability
TDA7222 STM, ST 10040 In Stock

Description and Introduction

3V AM/FM ONE-CHIP RADIO The TDA7222 is a monolithic integrated circuit manufactured by STMicroelectronics (ST). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** Monolithic integrated circuit  
- **Package:** DIP (Dual In-line Package) or SO (Small Outline)  
- **Supply Voltage (VCC):** Typically 12V (operating range may vary)  
- **Power Dissipation:** Up to a specified limit (exact value depends on package)  
- **Operating Temperature Range:** Typically -40°C to +85°C  

### **Descriptions:**
- The TDA7222 is designed for use in FM radio receiver applications, particularly as an FM IF amplifier and demodulator.  
- It integrates functions such as amplification, limiting, and quadrature detection for FM signals.  
- The IC is optimized for low-voltage operation and provides good sensitivity and selectivity.  

### **Features:**
- **FM IF Amplifier:** High-gain intermediate frequency (IF) amplification.  
- **Limiter Stage:** Ensures constant signal amplitude for demodulation.  
- **Quadrature Detector:** Provides FM demodulation with low distortion.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Built-in AGC (Automatic Gain Control):** Improves signal stability.  
- **Mute Function:** Optional muting capability for noise suppression.  

For exact electrical characteristics, pin configurations, and application circuits, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

3V AM/FM ONE-CHIP RADIO

Alternative Part Number

  • TDA7220 --: Same TDA72xx family audio IC with very similar function and pinout, often used as a direct substitute in similar applications.
  • TDA7233 --: Related ST audio amplifier IC in the same series with comparable electrical characteristics, suitable for similar low-power audio designs.
  • LM386 --: Widely available general-purpose low-voltage audio amplifier that can replace the TDA7222 in many low-power audio circuits with minor circuit adjustments.
  • TDA2003 --: Popular low-power audio amplifier in the same application class; can replace the original in many designs with minor circuit adjustment.

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