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LA1838 from SANYO

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LA1838

Manufacturer: SANYO

Single-Chip Home Stereo IC with Electronic Tuning Support

Partnumber Manufacturer Quantity Availability
LA1838 SANYO 2000 In Stock

Description and Introduction

Single-Chip Home Stereo IC with Electronic Tuning Support The part LA1838 is a manufacturer by SANYO. It is a 5-band FM/AM radio IC designed for car stereo systems. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Supply Voltage (VCC):** 8V to 14V (typical 12V)  
- **Operating Temperature Range:** -20°C to +75°C  
- **FM IF Frequency:** 10.7MHz  
- **AM IF Frequency:** 450kHz  
- **Package:** SIP (Single In-line Package)  
- **Pin Count:** 16  

### **Descriptions:**  
- The LA1838 is an integrated circuit (IC) used in car radio tuners, supporting both FM and AM reception.  
- It includes functions such as FM/AM IF amplification, detection, and AGC (Automatic Gain Control).  
- Designed for low power consumption and stable performance in automotive environments.  

### **Features:**  
- **FM Section:**  
  - Built-in FM IF amplifier, quadrature detector, and AFC (Automatic Frequency Control).  
  - Low distortion and high sensitivity.  
- **AM Section:**  
  - Includes AM mixer, oscillator, IF amplifier, and detector.  
  - AGC for stable reception.  
- **Additional Functions:**  
  - LED driver for tuning indicators.  
  - Mute function for noise suppression during band switching.  

This IC is commonly found in older car stereo systems and requires external components (such as coils and capacitors) for full functionality.

Application Scenarios & Design Considerations

Single-Chip Home Stereo IC with Electronic Tuning Support

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