LMX2541SQE2690E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2541SQE2690E/NOPB is a PLLatinum frequency synthesizer from Texas Instruments, featuring an integrated VCO and housed in a 36-WQFN package. It operates within a supply voltage range of 3.15 V to 3.45 V and supports input frequencies from 5 MHz to 6 GHz. The device generates output frequencies between 32 MHz and 4 GHz with a maximum operating temperature of +85°C and a minimum of -40°C. Designed for ultra-low noise performance, it consumes approximately 120 mA of operating current. The component utilizes surface-mount technology and includes humidity sensitivity features suitable for industrial wireless and RF communication applications.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates an ultra-low noise VCO with the option to bypass for external VCO usage
• Supports high-speed SPI interface for register configuration and control
• Provides flexible output configurations with dedicated enable pins for power management

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure base stations
• Point-to-point microwave radio systems
• Satellite communication equipment

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix code against official datasheets to confirm the exact operational parameters and packaging type. Ensure that the ordering information matches the required temperature grade and package variant. Cross-reference the manufacturer's part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status through the official product documentation before finalizing procurement orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when ultra-low phase noise is critical for system performance. Evaluate the integrated VCO coverage against the target frequency requirements. Consider the 36-WQFN package constraints for PCB layout and thermal management. Verify compatibility with the system's clock source frequencies and available supply voltages. Assess the need for external VCO bypass if specific frequency ranges are not covered by the internal oscillator.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the LMX2541 family of PLLatinum frequency synthesizers. It shares core architectural features with variants like the LMX2541SQ2060E/NOPB but differs in specific operational characteristics defined by its suffix. The family is designed for high-performance RF applications requiring precise frequency generation and low jitter.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include other LMX2541 variants such as LMX2541SQ2060E/NOPB or LMX2541SQ3030E, provided their specific electrical parameters match the design requirements. Verify pinout compatibility and register settings before substitution.