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LC72131

AM/FM PLL Frequency Synthesizer

Partnumber Manufacturer Quantity Availability
LC72131 4500 In Stock

Description and Introduction

AM/FM PLL Frequency Synthesizer The LC72131 is a PLL (Phase-Locked Loop) frequency synthesizer IC manufactured by ON Semiconductor (formerly Sanyo Semiconductor).  

### **Key Features and Specifications:**  
- **Frequency Range:** Supports VHF and UHF bands, typically used in radio tuners.  
- **Serial Data Interface:** Controlled via a 3-wire serial interface (data, clock, enable).  
- **Built-in Prescaler:** Includes a programmable divider for high-frequency input signals.  
- **Low Power Consumption:** Designed for energy-efficient operation.  
- **Compact Package:** Available in SOP (Small Outline Package) or similar surface-mount packages.  
- **Applications:** Commonly used in car stereos, home audio systems, and communication devices for frequency synthesis.  

### **Description:**  
The LC72131 integrates a PLL circuit with a prescaler and control logic, allowing precise frequency generation for tuning applications. It interfaces with a microcontroller for setting desired frequencies via serial communication.  

For exact electrical characteristics, refer to the official datasheet from ON Semiconductor.

Application Scenarios & Design Considerations

AM/FM PLL Frequency Synthesizer

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