LMX2492QRTWRQ1

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2492QRTWRQ1 is a high-performance fractional-N phase-locked loop (PLL) with ramp and chirp generation capabilities, designed for automotive applications. It operates within an output frequency range of 500 MHz to 14 GHz. The device functions on a single supply voltage between 3.15 V and 3.45 V, drawing a typical operating current of 60 mA. Manufactured using Silicon technology, it is housed in a WQFN-24 package suitable for surface mount installation. The component meets AEC-Q100 qualification standards and supports operation across a temperature range from -40°C to +125°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrated ramp and chirp generation for FMCW radar applications
• AEC-Q100 qualified for automotive reliability requirements
• Wideband frequency synthesis up to 14 GHz

Clock Generators, PLLs, Frequency Synthesizers Applications

• Automotive radar systems
• Frequency modulated continuous wave (FMCW) radar
• Wireless communication infrastructure

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix QRTWRQ1 against the official Texas Instruments datasheet to confirm the exact package variant and tape-and-reel specifications. Ensure the ordering part number matches the required automotive grade and temperature rating. Cross-reference the manufacturer's latest documentation to validate any recent revisions or packaging updates before finalizing procurement orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing automotive radar systems requiring wide bandwidth and precise frequency modulation. The integrated ramp generator simplifies design by reducing external component count compared to standard PLLs. Verify that the system power supply remains within the 3.15 V to 3.45 V range to ensure stable operation and optimal phase noise performance throughout the entire industrial temperature spectrum.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2492 family of low-noise fractional-N PLLs. The 'Q1' suffix indicates automotive qualification under AEC-Q100 standards. It shares core architecture with the commercial LMX2492 but offers extended temperature ranges and enhanced reliability features necessary for automotive safety-critical applications like collision avoidance sensors.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

LMX2492QRTWTQ1 is a documented alternative variant within the same product family.