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LC72121M from SANYO

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LC72121M

Manufacturer: SANYO

PLL Frequency Synthesizers for Electronic Tuning

Partnumber Manufacturer Quantity Availability
LC72121M SANYO 4000 In Stock

Description and Introduction

PLL Frequency Synthesizers for Electronic Tuning The LC72121M is a PLL frequency synthesizer IC manufactured by SANYO (now part of ON Semiconductor). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** SANYO (now ON Semiconductor)  
- **Type:** PLL Frequency Synthesizer IC  
- **Package:** SOP (Small Outline Package), likely 24-pin  
- **Operating Voltage:** Typically 2.7V to 5.5V  
- **Frequency Range:** Supports RF and local oscillator tuning in communication systems (exact range depends on external components)  
- **Serial Interface:** I²C or similar for microcontroller communication  
- **Phase Comparator:** Built-in with charge pump output  
- **Applications:** Used in radio tuners, automotive audio systems, and other frequency synthesis applications  

### **Descriptions:**
The LC72121M is a low-voltage PLL frequency synthesizer designed for tuning applications in radio and communication systems. It integrates a phase-locked loop (PLL) with a programmable divider, allowing precise frequency control via a microcontroller interface.  

### **Features:**
1. **Low Power Consumption:** Suitable for battery-operated devices.  
2. **Wide Operating Voltage Range:** Supports 2.7V to 5.5V.  
3. **Serial Data Control:** Allows easy interfacing with microcontrollers.  
4. **Built-in Prescaler:** Supports high-frequency inputs.  
5. **Charge Pump Output:** For external loop filter configuration.  
6. **Compact SOP Package:** Space-efficient for PCB designs.  

This IC was commonly used in car stereos and tuners for stable frequency synthesis. For exact electrical characteristics, refer to the original datasheet from SANYO/ON Semiconductor.

Application Scenarios & Design Considerations

PLL Frequency Synthesizers for Electronic Tuning

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