LMX2470SLEX

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2470SLEX is a dual high-frequency synthesizer from the PLLatinum family, manufactured by National Semiconductor (now Texas Instruments). It integrates two independent phase-locked loops (PLLs) within a single package to support complex RF personal communication systems. The device features a primary VCO operating up to 3.0 GHz and a secondary VCO operating up to 0.8 GHz. Designed for applications requiring multiple frequency sources, it utilizes a 20-pin ULGA package with an operating temperature range of -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Dual independent PLL architecture supporting simultaneous frequency synthesis
• Primary VCO frequency range extending up to 3.0 GHz
• Secondary VCO frequency range extending up to 0.8 GHz
• Integrated charge pumps and reference dividers for simplified design

Clock Generators, PLLs, Frequency Synthesizers Applications

• RF personal communication systems
• Wireless local loop (WLL) base stations
• Point-to-point microwave radio systems
• Broadband wireless access equipment

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the LMX24xx series of PLLatinum synthesizers. It shares architectural similarities with parts like the LMX2430 but offers distinct VCO frequency ranges tailored for specific RF front-end requirements in mobile infrastructure and personal communications devices.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Verify pin compatibility and electrical specifications against potential substitutes such as the LMX2430 or LMX2492. Ensure that the replacement part supports the required output frequencies and current drive capabilities for the specific application.