SI5380A-B-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5380A-B-GMR is a jitter-attenuating clock multiplier manufactured by Skyworks Solutions. It operates within a supply voltage range of 1.71 V to 1.89 V and supports input frequencies up to 737.28 MHz with maximum output frequencies reaching 1.47456 GHz. The device features a single PLL architecture and provides 12 differential outputs in a 64-VFQFN package. It exhibits a typical phase noise jitter of 65 fs and draws approximately 190 mA of operating current. The component functions reliably across an industrial temperature range from -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a single-phase-locked loop for effective jitter attenuation
• Supports high-frequency signal multiplication up to 1.47456 GHz
• Provides multiple differential output configurations for system flexibility

Clock Generators, PLLs, Frequency Synthesizers Applications

• Wireless infrastructure base stations
• High-speed data communication equipment
• Network synchronization systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix against official Skyworks documentation to confirm electrical characteristics and pinout compatibility. Confirm availability status as distribution channels may list limited stock or end-of-life conditions. Ensure the ordering part number matches the required frequency configuration before procurement.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when low phase noise performance is critical for high-speed serial links. Compare the 65 fs jitter specification against system requirements. Verify that the 64-pin QFN footprint fits the PCB layout constraints. Ensure the 1.8 V supply rail aligns with the target board design.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Si538x family of ultra-low phase noise clock multipliers. It serves as a jitter cleaner and frequency synthesizer for demanding digital applications. The series is designed to replace discrete crystal oscillator solutions in high-performance networking hardware.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Consult official Skyworks substitution guides for verified alternatives. Generic clock generators may not match the specific jitter attenuation capabilities. Verify pin-to-pin compatibility if considering direct replacements from other manufacturers.