LMX2581SQX/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2581SQX/NOPB is a wideband frequency synthesizer manufactured by Texas Instruments, designed for high-performance clock generation applications. 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 a maximum output frequency of 3.76 GHz and functions across a commercial temperature range from -40°C to +85°C. It utilizes a 32-WQFN package with dimensions of 5x5 mm and draws approximately 135 mA during operation. This component belongs to the LMX2581 series and is classified as a clock synthesizer or jitter cleaner.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a wideband fractional-N PLL with an internal VCO to minimize external component count.
• Supports differential outputs for improved signal integrity in high-frequency applications.
• Includes programmable dividers and multipliers for flexible frequency synthesis configurations.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure base station clocking
• Test and measurement equipment reference signals
• High-speed data converter clock generation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure compatibility with moisture sensitivity level requirements during storage and handling. Confirm that the ordering part number matches the exact electrical characteristics required for the design.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a single-chip solution for frequencies up to 3.76 GHz is required. Consider the 32-WQFN footprint for space-constrained designs. Evaluate power consumption at 135 mA against system thermal constraints. Verify input frequency ranges align with available reference clocks.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part is part of the LMX2581 family, which includes variants such as LMX2581SQE/NOPB and LMX2581SQ/NOPB. These variations typically differ in packaging or reel specifications rather than core functionality. The LMX2581EVAL/NOPB serves as the official evaluation board for development purposes.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include LMX2581SQ/NOPB and LMX2581SQE/NOPB. Verify pinout and electrical equivalence before substitution. No cross-manufacturer replacements are documented in the provided source material.