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LA1143

FM IF System for Car Radios

Partnumber Manufacturer Quantity Availability
LA1143 222 In Stock

Description and Introduction

FM IF System for Car Radios The part LA1143 is a monolithic integrated circuit designed for FM IF amplification, quadrature detection, and audio preamplification.  

**Specifications:**  
- **Power Supply Voltage (VCC):** 6V (max)  
- **Operating Temperature Range:** -20°C to +75°C  
- **Quiescent Current (ICC):** 12mA (typical)  
- **IF Amplifier Gain:** 60dB (typical)  
- **Detection Output:** 90mV (typical)  
- **Total Harmonic Distortion (THD):** 0.3% (typical)  

**Descriptions and Features:**  
- Includes an FM IF amplifier, quadrature detector, and audio preamplifier.  
- Low distortion and high signal-to-noise ratio.  
- Built-in AGC (Automatic Gain Control) circuit for stable operation.  
- Suitable for FM radio applications.  
- Available in a 14-pin DIP (Dual Inline Package).  

(Source: Original manufacturer datasheet for LA1143.)

Application Scenarios & Design Considerations

FM IF System for Car Radios

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