LMX2541SQE2380E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2541SQE2380E/NOPB is an ultra-low noise PLLatinum frequency synthesizer manufactured by Texas Instruments. It features an integrated voltage-controlled oscillator (VCO) and supports a maximum input frequency of 6 GHz with a minimum of 5 MHz. The device generates output frequencies ranging from 32 MHz to 4 GHz. It operates on a single supply voltage between 3.15 V and 3.45 V, drawing approximately 120 mA. Designed for high-performance applications, it functions within a temperature range of -40°C to +85°C and is housed in a 36-WQFN package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates an ultra-low noise voltage-controlled oscillator (VCO) to minimize phase noise and jitter.
• Supports external VCO bypass options for customized frequency synthesis requirements.
• Features a robust digital control interface for precise register configuration and monitoring.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless communication base stations
• Test and measurement equipment
• Point-to-point microwave links

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'E2380' against official Texas Instruments documentation to confirm pinout and electrical characteristics, as suffixes often denote specific factory or packaging variations. Ensure compatibility with existing PCB footprints for the 36-WQFN package. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly to prevent component damage during manufacturing processes.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when ultra-low phase noise performance is critical for system signal integrity. The integrated VCO simplifies design complexity compared to solutions requiring external oscillators. Verify that the required output frequency range falls within the 32 MHz to 4 GHz specification. Consider thermal management requirements given the 120 mA operating current and the compact WQFN-36 package dimensions.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2541 family of PLLatinum frequency synthesizers. The family is characterized by high integration and low noise performance suitable for RF applications. Variations within the series typically differ by output frequency ranges or specific packaging options, while maintaining core architectural similarities such as the integrated VCO and digital control interface.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements may include other LMX2541 variants with different suffixes if electrical parameters match. Cross-referencing with National Semiconductor legacy data sheets may be necessary for older designs. Ensure any substitute maintains the 36-WQFN footprint and compatible supply voltage specifications.