LMX2531LQ1146E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2531LQ1146E/NOPB is a high-performance frequency synthesizer from Texas Instruments, designed for wireless and RF communication applications. It operates within an output frequency range of 553 MHz to 3.132 GHz, with the specific LQ1146 variant targeting frequencies up to 1.184 GHz. The device functions on a supply voltage between 2.8 V and 3.2 V, drawing a typical operating current of 32 mA. It is housed in a 36-WQFN package (6x6 mm) with an exposed pad, suitable for surface-mount assembly. The component supports an industrial temperature range from -40°C to +85°C and includes an integrated VCO.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrated Voltage Controlled Oscillator (VCO) reduces external component count
• High-performance phase-locked loop architecture for low noise synthesis
• CMOS digital interface for system control

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure base stations
• Point-to-point microwave radio systems
• Test and measurement equipment

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm the specific frequency band configuration. Ensure the ordering quantity aligns with the factory reel packaging requirements specified by Texas Instruments. Confirm moisture sensitivity level handling procedures are followed during storage and assembly to prevent damage.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this part when a wide tuning range covering sub-GHz to multi-GHz bands is required within a single IC family. The integrated VCO simplifies board layout compared to discrete solutions. Verify that the target application frequency falls within the operational limits of the specific LQ1146 variant rather than the broader family capabilities.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the LMX2531 series of high-performance frequency synthesizers. The series offers various output frequency options through different suffix codes, allowing designers to choose the optimal band for their specific RF front-end requirements while maintaining consistent pinouts and control interfaces across the family.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements within the same package and functionality include other variants from the LMX2531 family such as LMX2531LQ1570E/NOPB or LMX2531LQ1700E/NOPB, provided the frequency coverage meets the design needs. Cross-family replacement requires careful verification of pin compatibility and electrical specifications.