LMX2522LQ1635

Overview

The LMX2522LQ1635 is a PLLatinum dual frequency synthesizer system with integrated voltage-controlled oscillators (VCOs). It operates within the CDMA and PCS frequency bands, specifically covering 1.6196 GHz to 1.6496 GHz. The device integrates both the phase-locked loop (PLL) and VCO components into a single solution. It is housed in a 28-pin WQFN package measuring 5x5 mm. The component supports surface-mount installation and functions within a temperature range of -30°C to +85°C.

Feature Summary

• Integrates dual phase-locked loops and voltage-controlled oscillators for compact design
• Optimized for CDMA and PCS wireless communication applications
• Supports automotive-grade reliability standards

Applications

• CDMA mobile phone systems
• PCS wireless communication infrastructure
• Automotive electronic modules requiring RF synthesis

Procurement Notes

Verify current availability status as this specific part number may be discontinued or superseded by updated revisions. Confirm that the replacement component matches the required frequency range and package dimensions. Ensure compatibility with existing PCB layouts and thermal management requirements before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring integrated dual synthesizers for CDMA/PCS bands. Consider the 28-WQFN package constraints for layout planning. Evaluate power consumption specifications against system battery life requirements. Verify that the operating temperature range meets the environmental conditions of the target application environment.

Part Context

This component belongs to the PLLatinum family of frequency synthesizers from Texas Instruments, formerly National Semiconductor. The series is designed for high-performance RF applications. The LMX2522 variant specifically provides dual synthesizer channels. This model represents a specialized version tuned for cellular communication frequencies.

Replacement Considerations

• LMX2522LQ1635/NOPB

FAQ

What is the output frequency range of the LMX2522LQ1635?

The device operates between 1.6196 GHz and 1.6496 GHz.

Is the LMX2522LQ1635 suitable for automotive applications?

Yes, it holds AEC-Q100 qualification for automotive use.