LMX2325TMX-G

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2325TMX-G is a fractional-N frequency synthesizer manufactured by Rochester Electronics, LLC. It integrates a phase-locked loop (PLL) architecture designed for generating stable output frequencies in wireless communication systems. The device operates within a supply voltage range of 2.8 V to 3.2 V, with a nominal voltage of 3.0 V. It utilizes a BICMOS technology process and is housed in a surface-mount package suitable for high-density circuit board layouts. The component supports operation across an industrial temperature range from -40 °C to 85 °C, ensuring reliability in various environmental conditions.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a fractional-N PLL frequency synthesizer for precise clock generation
• Operates on a single 3.0 V nominal power supply (2.8 V to 3.2 V range)
• Constructed using BICMOS technology for enhanced performance
• Rated for industrial temperature operation between -40 °C and 85 °C

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless communication base stations
• Mobile phone infrastructure equipment
• Test and measurement instrumentation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific revision level and manufacturing date code when sourcing this component from authorized distributors or secondary market suppliers like Rochester Electronics. Confirm that the part matches the original Texas Instruments specifications, as Rochester Electronics provides lifecycle support for discontinued parts. Ensure the package integrity is intact upon receipt to prevent damage to the delicate internal circuitry during installation.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a low-phase-noise fractional-N synthesizer is required for GSM, DCS, PCS, or WCDMA applications. Compare the input reference frequency requirements and output frequency ranges against system specifications. Verify that the available supply voltage aligns with the 2.8 V to 3.2 V operating window. Consider the thermal management capabilities if the device will operate at the upper limit of the specified temperature range.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part is part of the LMX23xx series of frequency synthesizers originally developed by Texas Instruments. Rochester Electronics, LLC acts as an authorized source for these components, often providing long-term availability for products that have reached end-of-life status in their original production lines. The 'G' suffix typically indicates lead-free compliance in accordance with RoHS directives.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct pin-to-pin replacements may include other members of the LMX23xx family, such as the LMX2325T or LMX2325TMX, depending on the specific packaging and tape-and-reel requirements. Verify electrical parameters such as phase noise and spur levels to ensure compatibility with the existing design constraints before substituting.