LMX2331USLBX

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2331USLBX is a PLLatinum™ series frequency synthesizer integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 2.7 V to 5.5 V and supports input frequencies up to 600 MHz with output frequencies reaching 2 GHz. The device utilizes CMOS and TTL logic levels for inputs and provides CMOS outputs. Designed for surface-mount installation, it is housed in a 20-TSSOP package (0.173 inch width). The component functions as a single-circuit PLL frequency synthesizer with bypass capabilities.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a programmable frequency synthesizer within the PLLatinum family architecture
• Supports both CMOS and TTL input logic standards for flexible interfacing
• Features a compact 20-pin Thin-Shrink Small-Outline Package (TSSOP) design

Clock Generators, PLLs, Frequency Synthesizers Applications

• Clock generation systems requiring precise frequency synthesis
• RF communication modules utilizing low-power synthesizers
• Test and measurement equipment needing stable reference signals

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact pinout and electrical characteristics. Confirm RoHS compliance status as records indicate potential non-compliance for this variant. Ensure the component source is an authorized distributor to avoid counterfeit parts. Check for obsolescence notices prior to finalizing procurement plans.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a wide supply voltage range including 5V operation is required compared to lower-voltage alternatives. Consider the 20-TSSOP package constraints for PCB layout space. Evaluate the maximum output frequency limit of 2 GHz against system requirements. Verify that CMOS/TTL input compatibility matches the driving circuitry specifications.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2331 family of frequency synthesizers from Texas Instruments. It shares core architectural similarities with other devices in the PLLatinum series but differs in packaging and specific electrical parameters. The USLBX suffix denotes a specific tape-and-reel or tube configuration variant within the broader product line.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Publicly confirmed direct substitute part numbers are not available in the provided data. Review the LMX2331UTM datasheet for functional comparisons, noting its discontinued status. Consult Texas Instruments application notes for alternative PLLatinum devices with compatible pinouts.