The National Semiconductor (TI) LMX2364SLEX is a high-performance frequency synthesizer designed for use in wireless communication systems. This synthesizer integrates a phase-locked loop (PLL) and a dual-modulus prescaler, providing precise frequency generation for local oscillator (LO) applications in cellular phones, cordless phones, and other wireless devices. It is designed to offer low phase noise and high frequency accuracy.

Applications

• Cellular Phones: Used as a local oscillator (LO) for frequency generation in cellular phone transceivers.
• Cordless Phones: Employed in cordless phones for precise frequency synthesis.
• Wireless Communication Systems: Utilized in various wireless communication devices, such as wireless LANs and Bluetooth devices.
• Satellite Communication Systems: Integrated into satellite communication equipment for frequency conversion and signal generation.
• Test and Measurement Equipment: Used in signal generators and frequency counters for precise frequency synthesis.

Features

• High-Frequency Operation: Supports high-frequency operation for various wireless communication standards.
• Low Phase Noise: Provides low phase noise performance for improved signal quality.
• Dual-Modulus Prescaler: Includes a dual-modulus prescaler for versatile frequency division.
• Phase-Locked Loop (PLL): Integrates a PLL for precise frequency locking.
• Serial Interface: Controlled via a serial interface for easy configuration and control.
• Low Power Consumption: Designed for low power operation, extending battery life in portable devices.

Benefits

• Precise Frequency Synthesis: Enables accurate and stable frequency generation for wireless communication systems.
• Low Noise Performance: Minimizes noise in generated signals, improving signal quality.
• Easy Configuration: Controlled via a serial interface for simple and flexible configuration.
• Energy Efficiency: Reduces power consumption, making it suitable for battery-powered applications.
• Versatile Application: Suitable for a wide range of wireless communication applications.

Technical Specifications

The LMX2364SLEX operates at supply voltages typically between 2.7V and 5.5V. It features a serial interface for easy programming and control. The PLL typically offers low phase noise, improving signal quality in wireless applications. The dual-modulus prescaler allows for versatile frequency division. This frequency synthesizer is often used in applications requiring precise and stable frequency generation, such as cellular phones, cordless phones, and wireless data communication systems. The package is typically TSSOP.