LMX2531LQE1515E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2531LQE1515E/NOPB is a high-performance frequency synthesizer system from Texas Instruments, designed for wireless and RF communication applications. It operates within an output frequency range of 553 MHz to 3.132 GHz and supports input frequencies between 765 MHz and 1.636 GHz. The device functions on a supply voltage of 2.8 V to 3.2 V with a typical operating current of 32 mA. Manufactured using silicon technology, it is housed in a 36-pin WQFN package (6x6 mm) suitable for surface mount installation. The component meets AEC-Q100 automotive qualification standards and operates reliably across a temperature range of -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrated Voltage Controlled Oscillator (VCO) reduces external component count and simplifies design.
• AEC-Q100 qualified for robust performance in automotive environments.
• High-performance phase-locked loop architecture optimized for low noise and fast locking.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Automotive infotainment systems
• Wireless local area network (WLAN) infrastructure
• Point-to-point microwave radio links

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'LQE1515' against official Texas Instruments documentation to confirm the exact internal calibration or band configuration, as variations exist within the LMX2531 family. Ensure compatibility with existing PCB footprints for the 36-WQFN package. Confirm moisture sensitivity level handling procedures during assembly to prevent damage. Cross-reference the datasheet revision date to ensure all electrical characteristics match the intended design requirements.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a compact, automotive-grade frequency synthesizer with an integrated VCO is required for RF front-end designs. Compare the 553 MHz to 3.132 GHz output range against system oscillator needs. Evaluate the 32 mA supply current against power budget constraints. Consider the WQFN-36 package size for space-constrained layouts. Verify that the input frequency range aligns with the available reference clock sources in the target application.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2531 series of high-performance PLL frequency synthesizers. The series is characterized by its integrated VCO and suitability for demanding RF applications. Other variants in the family, such as LMX2531LQ1570E/NOPB, share similar core architectures but may differ in specific frequency bands or calibration settings defined by their unique ordering suffixes.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include other LMX2531 variants like LMX2531LQ1570E/NOPB or LMX2531LQ2265E/NOPB, provided the specific frequency band requirements are met. Verify pinout compatibility and thermal characteristics before swapping. Consult the TI LMX2531 family datasheet for detailed cross-referencing of electrical parameters among different suffix codes.