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LMX2331ATM from NS,National Semiconductor

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LMX2331ATM

Manufacturer: NS

PLLatinum Dual Frequency Synthesizer for RF Personal Communications

Partnumber Manufacturer Quantity Availability
LMX2331ATM NS 67 In Stock

Description and Introduction

PLLatinum Dual Frequency Synthesizer for RF Personal Communications The LMX2331ATM is a PLLatinum™ Low Power Dual Frequency Synthesizer manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Frequency Range:**  
  - RF Synthesizer: 1.1 GHz to 2.5 GHz  
  - IF Synthesizer: 50 MHz to 550 MHz  
- **Supply Voltage:** 2.7V to 5.5V  
- **Current Consumption:**  
  - 5.5 mA (typical) in active mode  
  - 1 μA (typical) in power-down mode  
- **Phase Detector Frequency:** Up to 40 MHz  
- **Programmable Dual Modulus Prescaler:** 8/9, 16/17, 32/33, or 64/65  
- **Serial Interface:** 3-wire (SPI-compatible)  
- **Package:** 16-pin TSSOP  

### **Descriptions and Features:**  
- **Dual PLL Architecture:** Integrates RF and IF synthesizers in a single chip.  
- **Low Power Consumption:** Optimized for battery-operated applications.  
- **High-Speed Phase Detector:** Enables fast locking and low phase noise.  
- **Flexible Prescaler Options:** Supports multiple modulus values for frequency planning.  
- **Wide Operating Voltage:** Suitable for portable and fixed applications.  
- **Power-Down Mode:** Reduces current consumption when not in use.  
- **Serial Control Interface:** Allows easy programming via SPI.  

The LMX2331ATM is commonly used in wireless communication systems, including cordless phones, RF transceivers, and other frequency synthesis applications.

Application Scenarios & Design Considerations

PLLatinum Dual Frequency Synthesizer for RF Personal Communications

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