LMX2541SQE3320E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2541SQE3320E/NOPB is a PLLatinum ultra-low noise frequency synthesizer manufactured by Texas Instruments. It features an integrated VCO and operates within a supply voltage range of 3.15 V to 3.45 V, consuming 120 mA of operating current. The device supports input frequencies from 5 MHz to 6 GHz and generates output frequencies ranging from 32 MHz to 4 GHz. Designed for surface-mount installation, it utilizes a 36-WQFN package with an exposed pad. The component functions as a single-circuit PLL frequency synthesizer suitable for demanding RF applications requiring high spectral purity.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Ultra-low phase noise performance characteristic of the PLLatinum family
• Integrated Voltage Controlled Oscillator (VCO) with external VCO bypass option
• Wide input frequency range supporting up to 6 GHz reference inputs
• Configurable via SPI interface for flexible system integration

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure base stations
• Point-to-point microwave radio systems
• Test and measurement equipment requiring low jitter clocks
• Satellite communication ground terminals

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix E3320 against the official datasheet to confirm internal calibration or binning parameters. Ensure the NOPB designation confirms lead-free and RoHS compliance status. Confirm moisture sensitivity level handling requirements during storage and reflow soldering processes to prevent package damage.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when ultra-low phase noise is critical for system performance. Verify that the required output frequency falls within the 32 MHz to 4 GHz range. Ensure the design accommodates the 36-WQFN thermal pad requirements for adequate heat dissipation. Check compatibility with the available 3.15 V to 3.45 V power supply rails.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the LMX2541 series of PLLatinum frequency synthesizers. The series is designed for high-performance RF applications where spectral purity is paramount. The SQE3320 suffix typically denotes a specific factory test bin or calibration variant within the broader LMX2541 product line, sharing the same core architecture and electrical specifications.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct pin-compatible replacements within the same family include LMX2541SQX2690E/NOPB and LMX2541SQ2060E/NOPB. Verify that the substitute part number matches the required output frequency range and package type. Cross-reference the specific suffix codes to ensure equivalent performance characteristics.