LMX2541SQE3030E

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2541SQE3030E is a PLLatinum ultra-low noise frequency synthesizer manufactured by Texas Instruments, which acquired National Semiconductor. It features an integrated voltage-controlled oscillator (VCO) and operates within a supply voltage range of 3.15 V to 3.45 V. The device supports input frequencies from 5 MHz to 6 GHz and generates output frequencies between 32 MHz and 4 GHz. Packaged in a 36-pin WQFN with an exposed pad, it functions across a temperature range of -40°C to +85°C. This component utilizes Silicon Integrated Systems technology for high-performance clock generation.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrated Voltage-Controlled Oscillator (VCO) eliminates external components
• Ultra-low phase noise performance suitable for demanding RF applications
• Wide input frequency range supporting 5 MHz to 6 GHz reference clocks
• Output frequency synthesis capability from 32 MHz up to 4 GHz

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless communication base stations
• Point-to-point microwave radio systems
• Test and measurement equipment requiring precise clock sources

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the manufacturer designation as Texas Instruments due to the acquisition of National Semiconductor. Confirm the specific suffix E3030E matches the required output frequency configuration. Ensure the package type corresponds to the 36-WQFN form factor. Check RoHS compliance status indicated by the NOPB suffix if applicable to the specific order code.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when low phase noise and integrated VCO functionality are required. Compare against the LMX2541 family variants based on specific output frequency needs and packaging options. Consider the 3.15 V to 3.45 V supply voltage constraints during power design. Evaluate thermal management requirements for the WQFN-36 package in high-density layouts.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2541 PLLatinum family, designed for high-performance frequency synthesis. While originally associated with National Semiconductor branding, current production and documentation are managed by Texas Instruments. The SQE3030E suffix denotes specific commercial grade and packaging variations within the broader LMX2541 series.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include other LMX2541 variants such as LMX2541SQX2690E-NOPB or LMX2541SQ2060E/NOPB, depending on specific frequency and packaging requirements. Verify pin compatibility and electrical specifications before substitution.