LMX2581SQE/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2581SQE/NOPB is a wideband frequency synthesizer with an integrated integer voltage-controlled oscillator (VCO), manufactured by Texas Instruments. It operates within a supply voltage range of 3.15 V to 3.45 V and supports a maximum output frequency of 3.76 GHz. The device features one circuit and provides five outputs with a 1:5 input-to-output ratio. It utilizes a 32-WQFN package with an exposed pad, measuring 5x5 mm. The component functions across a temperature range of -40°C to +85°C and draws a typical operating current of 135 mA.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a wideband frequency synthesizer with an internal integer VCO for compact system design.
• Provides differential clock outputs suitable for high-speed digital applications.
• Supports both divider and multiplier operations for flexible frequency generation.

Clock Generators, PLLs, Frequency Synthesizers Applications

• RF frequency synthesis in wireless communication systems
• Clock generation for high-speed data converters
• Test and measurement equipment requiring low-jitter signals

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'SQE' against the manufacturer's official documentation to confirm material composition and environmental compliance status. Ensure that the WQFN-32 package dimensions match the target PCB footprint requirements. Confirm moisture sensitivity level handling procedures are followed during assembly to prevent damage.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a single-chip solution for wideband synthesis is required without external VCOs. Consider the 135 mA current consumption relative to system power budgets. Verify that the 3.76 GHz maximum frequency meets the application's spectral requirements. Ensure compatibility with the 3.15 V to 3.45 V supply voltage range.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2581 series of clock synthesizers from Texas Instruments. It is designed for applications requiring precise frequency generation with minimal external components. The SQE/NOPB designation indicates a specific packaging and lead-free variant within the broader product family.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Texas Instruments documentation for potential cross-references or newer revisions within the LMX25xx series.