LMX2531LQ1570E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2531LQ1570E/NOPB is a high-performance PLL 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, with input frequencies spanning 765 MHz to 1.636 GHz. The device functions on a single supply voltage between 2.8 V and 3.2 V, drawing a typical operating current of 32 mA. Manufactured using Si technology, it is housed in a compact 36-pin WQFN package (6x6 mm) suitable for surface mount installation. The component meets AEC-Q100 automotive qualification standards and supports operation across a temperature range of -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrated Voltage Controlled Oscillator (VCO) eliminates external components
• AEC-Q100 qualified for automotive reliability requirements
• Supports digital lock detect and analog lock detect modes

Clock Generators, PLLs, Frequency Synthesizers Applications

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

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the complete part number including suffixes such as /NOPB to ensure correct packaging and lead-free compliance. Confirm that the specific variant matches the required frequency band and package type for your design. Check for moisture sensitivity levels and reflow soldering profiles during assembly planning. Ensure compatibility with existing inventory specifications before finalizing orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a fully integrated PLL solution with an internal VCO is required for space-constrained designs. Consider the 36-WQFN package dimensions for PCB layout constraints. Verify that the 2.8 V to 3.2 V supply range aligns with the system power architecture. Evaluate the 32 mA current consumption against overall power budget requirements for the target application environment.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the LMX2531 family of high-performance frequency synthesizers. Other variants in the series include LMX2531LQ1146E/NOPB and LMX2531LQ3010E/NOPB, which share similar architectural features but differ in specific frequency tuning ranges. The family is widely used in modern RF front-end designs requiring precise frequency generation.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes within the same family include LMX2531LQ1146E/NOPB and LMX2531LQ3010E/NOPB. These parts maintain pin compatibility and functional equivalence while offering different frequency coverage. Verify specific frequency parameters against the new part datasheet before substitution.