LMX2581ESQX/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2581ESQX/NOPB is a wideband frequency synthesizer manufactured by Texas Instruments, designed for high-performance clock generation applications. It operates within a supply voltage range of 3.15 V to 3.45 V and supports output frequencies up to 3.76 GHz. The device utilizes a WQFN-32 package with an exposed pad for surface mount installation. It functions across an industrial temperature range from -40°C to +85°C. The component draws a typical operating current of 135 mA and integrates an integer voltage-controlled oscillator (VCO). It is classified under clock synthesizers and jitter cleaners, suitable for demanding RF and timing systems.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a wideband fractional-N architecture with an internal integer VCO for flexible frequency synthesis.
• Supports differential outputs for improved signal integrity in high-speed digital interfaces.
• Features programmable divider and multiplier capabilities for precise frequency scaling.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure base station clocking
• High-speed serial transceiver reference clocks
• Test and measurement equipment frequency generation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'E' against official datasheets to confirm if it denotes a distinct electrical specification or packaging variant compared to standard versions. Confirm RoHS compliance status through the manufacturer's documentation. Ensure the WQFN-32 package dimensions match the target PCB footprint requirements before finalizing procurement decisions.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a wide tuning range up to 3.76 GHz is required alongside low power consumption characteristics. Consider the 135 mA operating current for thermal management and power budget calculations. Verify that the 3.15 V to 3.45 V supply voltage aligns with the system's available power rails. Evaluate the WQFN-32 package size against available board space constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2581 family of wideband frequency synthesizers from Texas Instruments. It shares functional similarities with other members like the LMX2581SQX/NOPB but may differ in specific suffix designations. The family is generally used for generating stable clock signals in complex electronic systems requiring precise frequency control.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The LMX2581SQX/NOPB is a documented alternative within the same product family. Verify pin compatibility and electrical specifications before substitution. Other LMX series devices may offer different frequency ranges or power profiles.