LMX2531LQX1570E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2531LQX1570E/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. The device supports input frequencies between 765 MHz and 1.636 GHz. It functions on a supply voltage ranging from 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 suitable for surface mount installation. The component meets AEC-Q100 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 complexity.
• AEC-Q100 qualified for automotive reliability requirements.
• High-performance PLL architecture optimized for low phase noise applications.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure equipment
• RF communication systems
• Automotive radar modules

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'X1570' against official Texas Instruments documentation to confirm exact factory configuration or binning. Ensure compatibility with standard WQFN-36 soldering profiles during assembly. Confirm RoHS compliance status through the manufacturer's latest datasheet before final procurement decisions.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when an integrated VCO solution is required for the 553 MHz to 3.132 GHz range. Consider the 32 mA supply current for power budget calculations. Verify that the 765 MHz to 1.636 GHz input frequency range aligns with the reference clock source available in the target design.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2531 family of high-performance frequency synthesizers. Other variants in the series, such as LMX2531LQ1146E/NOPB and LMX2531LQ1700E/NOPB, share similar packaging and electrical characteristics but differ in internal calibration settings for specific frequency bands. The family is widely used in RF front-end designs requiring precise frequency generation.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include other LMX2531 variants like LMX2531LQ1146E/NOPB or LMX2531LQ1700E/NOPB if the specific frequency calibration differs. Verify pinout and thermal pad connections remain identical when swapping between LMX2531 family members.