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LMX2320TM

Frequency Synthesizer for RF Personal Communications

Partnumber Manufacturer Quantity Availability
LMX2320TM 896 In Stock

Description and Introduction

Frequency Synthesizer for RF Personal Communications The LMX2320TM is a high-performance frequency synthesizer manufactured by Texas Instruments. Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer Specifications:**
- **Manufacturer:** Texas Instruments  
- **Type:** Frequency Synthesizer  
- **Package:** TSSOP-20  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Frequency Range:**  
  - RF Input Frequency: Up to 2.5 GHz  
  - IF Input Frequency: Up to 500 MHz  
- **Phase Detector Frequency:** Up to 25 MHz  
- **Charge Pump Current:** Programmable (0.4 mA to 5.1 mA)  
- **Lock Detect Function:** Yes  

### **Descriptions:**
The LMX2320TM is a dual PLL (Phase-Locked Loop) frequency synthesizer designed for high-frequency applications such as wireless communication systems. It integrates two phase-locked loops with a reference oscillator and a charge pump, providing flexibility in frequency synthesis. The device supports both integer-N and fractional-N modes for precise frequency control.

### **Features:**
- **Dual PLL Architecture:** Allows independent frequency synthesis for RF and IF stages.  
- **Low Phase Noise:** Optimized for high-performance wireless applications.  
- **Programmable Charge Pump Current:** Adjustable from 0.4 mA to 5.1 mA.  
- **3-Wire Serial Interface:** Enables easy control and configuration.  
- **Power-Down Mode:** Reduces power consumption when not in use.  
- **Integrated Prescaler:** Supports high-frequency operation up to 2.5 GHz.  
- **Lock Detect Output:** Indicates when the PLL is locked to the desired frequency.  

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

Application Scenarios & Design Considerations

Frequency Synthesizer for RF Personal Communications
Partnumber Manufacturer Quantity Availability
LMX2320TM NS 317 In Stock

Description and Introduction

Frequency Synthesizer for RF Personal Communications The LMX2320TM is a PLLatinum™ frequency synthesizer manufactured by National Semiconductor (NS). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Frequency Range:** Up to **2.5 GHz**  
- **Supply Voltage:** **2.7V to 5.5V**  
- **Current Consumption:** **3.5 mA** (typical)  
- **Phase Detector Frequency:** Up to **25 MHz**  
- **Programmable Dual-Modulus Prescaler:** **8/9, 16/17, 32/33, or 64/65**  
- **Lock Detect Output**  
- **Low Phase Noise**  
- **Package Type:** **TSSOP-16**  

### **Descriptions:**  
- The LMX2320TM is a **low-power, high-performance frequency synthesizer** designed for wireless communication applications.  
- It integrates a **phase-locked loop (PLL)** with a **programmable prescaler**, making it suitable for RF and microwave frequency synthesis.  
- It is compatible with **3V and 5V** systems, providing flexibility in various designs.  

### **Features:**  
- **Low power consumption** for battery-operated devices.  
- **High-frequency operation** up to **2.5 GHz**.  
- **Programmable dual-modulus prescaler** for flexible frequency division.  
- **Serial interface** for easy microcontroller interfacing.  
- **Lock detect feature** for monitoring PLL status.  
- **Wide supply voltage range** (2.7V to 5.5V).  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Frequency Synthesizer for RF Personal Communications
Partnumber Manufacturer Quantity Availability
LMX2320TM NS 27 In Stock

Description and Introduction

Frequency Synthesizer for RF Personal Communications The LMX2320TM is a PLLatinum™ frequency synthesizer manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Frequency Range:** Up to 1.2 GHz  
- **Supply Voltage:** 2.7V to 5.5V  
- **Low Power Consumption:** Typically 3.5 mA at 3V  
- **Dual Modulus Prescaler:** 32/33 or 64/65  
- **Phase Detector Frequency:** Up to 20 MHz  
- **Serial Interface:** 3-wire (Data, Clock, Enable)  

**Descriptions and Features:**  
- Designed for high-performance frequency synthesis in wireless applications.  
- Integrated phase-locked loop (PLL) with a low-noise digital phase detector.  
- Supports fractional-N synthesis for improved frequency resolution.  
- On-chip voltage regulator for improved power supply rejection.  
- Compatible with common reference oscillators and VCOs.  
- Available in a small TSSOP-16 package for space-constrained applications.  

This synthesizer is commonly used in RF communication systems, including cellular phones, wireless LANs, and other wireless devices.

Application Scenarios & Design Considerations

Frequency Synthesizer for RF Personal Communications

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