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LMX2335 from NS,National Semiconductor

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LMX2335

Manufacturer: NS

PLLatinum(TM) 1.1 GHz Dual Frequency Synthesizer for RF Personal Communications

Partnumber Manufacturer Quantity Availability
LMX2335 NS 5365 In Stock

Description and Introduction

PLLatinum(TM) 1.1 GHz Dual Frequency Synthesizer for RF Personal Communications The LMX2335 is a dual PLL (Phase-Locked Loop) frequency synthesizer manufactured by National Semiconductor (NS). Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Frequency Range:**  
  - **RF PLL:** Up to 2.5 GHz  
  - **IF PLL:** Up to 500 MHz  
- **Charge Pump Current:** Programmable (0.3125 mA to 5 mA)  
- **Phase Detector Frequency:** Up to 40 MHz  
- **Package Type:** 20-pin TSSOP  

### **Descriptions:**  
- The LMX2335 is a dual PLL synthesizer designed for wireless communication applications, including cellular phones and RF transceivers.  
- It integrates two independent PLLs (RF and IF) with separate reference inputs and phase detectors.  
- The device supports low-power operation, making it suitable for battery-powered applications.  

### **Features:**  
- **Dual PLL Architecture:** Allows simultaneous frequency synthesis for RF and IF stages.  
- **Programmable Dividers:** Includes a 64/65 or 128/129 dual-modulus prescaler for the RF PLL.  
- **Serial Interface:** SPI-compatible control for easy configuration.  
- **Low Power Consumption:** Optimized for portable applications.  
- **Integrated Charge Pump:** Reduces external component count.  
- **Hardware and Software Power-Down Modes:** Enhances power efficiency.  

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

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