LMX2531LQX1778E/NOPB

Clock Generators, PLLs, Frequency Synthesizers Overview

The LMX2531LQX1778E/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 requires a supply voltage between 2.8 V and 3.2 V. The device features an integrated VCO and consumes approximately 32 mA of operating current. It is housed in a compact 36-WQFN package with exposed pad, suitable for surface mount assembly. The component supports operation across a temperature range of -40°C to +85°C and complies with AEC-Q100 qualification standards.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrated Voltage Controlled Oscillator (VCO) reduces external component count
• High-performance phase-locked loop architecture for low noise synthesis
• AEC-Q100 qualified for automotive reliability requirements

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure equipment
• RF communication systems
• Test and measurement instruments

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the exact suffix 'X1778' against official Texas Instruments documentation, as standard listings typically use numeric designators like 'LQ1700'. Confirm RoHS compliance status and moisture sensitivity level prior to ordering. Ensure the supplier provides valid traceability documents matching the manufacturer's part identification.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a wide tuning range up to 3.132 GHz is required with integrated VCO capabilities. Consider the 36-WQFN package constraints for PCB layout. Verify that the 2.8 V to 3.2 V supply voltage aligns with the system power budget. Check if AEC-Q100 qualification is necessary for the target application environment.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the LMX2531 family of high-performance PLL frequency synthesizers. Similar variants include LMX2531LQ1700E/NOPB and LMX2531LQ2820E/NOPB, which share the same core architecture and package but differ in specific factory-set parameters or evaluation configurations. The family is widely used in RF front-end designs.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes within the same family include LMX2531LQ1700E/NOPB and LMX2531LQ1146E/NOPB. Verify pin compatibility and electrical specifications before substitution. Cross-reference with LMX2531LQ2820E/NOPB for alternative frequency ranges.