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LMX2325 from NS,National Semiconductor

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LMX2325

Manufacturer: NS

PLLatinum 2.5 GHz Frequency Synthesizer for RF Personal Communications

Partnumber Manufacturer Quantity Availability
LMX2325 NS 37 In Stock

Description and Introduction

PLLatinum 2.5 GHz Frequency Synthesizer for RF Personal Communications The LMX2325 is a PLLatinum™ frequency synthesizer manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Frequency Range:** Up to 2.5 GHz  
- **Supply Voltage:** 2.7V to 5.5V  
- **Phase Detector Frequency:** Up to 50 MHz  
- **Low Power Consumption:** Typically 5 mA at 3V  
- **Dual Modulus Prescaler:** 32/33 or 64/65  
- **Serial Interface:** 3-wire (data, clock, LE)  
- **On-Chip Reference Divider:** Programmable (R Counter)  
- **Charge Pump Output:** Tri-state for loop filter control  
- **Package:** 16-pin TSSOP  

### **Descriptions:**  
The LMX2325 is a high-performance frequency synthesizer designed for RF applications. It integrates a phase-locked loop (PLL) with a low-noise digital phase detector, a programmable reference divider, and a dual-modulus prescaler. It is suitable for wireless communication systems, including cellular, cordless phones, and RF transceivers.  

### **Features:**  
- **Low Phase Noise:** Optimized for high-frequency stability  
- **Wide Operating Voltage:** Supports battery-powered applications  
- **Fast Lock Time:** Improves frequency switching speed  
- **Serial Control Interface:** Allows easy microcontroller interfacing  
- **Flexible Prescaler Options:** Supports multiple divider configurations  
- **Power-Down Mode:** Reduces current consumption when inactive  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

PLLatinum 2.5 GHz Frequency Synthesizer for RF Personal Communications

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