SI5380A-D07544-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5380A-D07544-GMR is a 12-output jitter attenuator and clock multiplier based on Skyworks' DSPLL technology. It operates within a supply voltage range of 1.71 V to 3.47 V, with core voltage at 1.8 V and analog voltage at 3.3 V. The device supports differential input frequencies from 11.52 MHz to 737.28 MHz and LVCMOS inputs up to 245.76 MHz. Output frequencies reach up to 1.47456 GHz differentially or 245.76 MHz in LVCMOS mode. It features ultra-low phase noise of 65 fs typical (12 kHz to 20 MHz) and operates across a temperature range of -40 °C to +85 °C in a 64-QFN package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates digital frequency synthesis and jitter attenuation using DSPLL technology, eliminating the need for external VCXO and loop filter components.
• Supports JESD204B clocking requirements including DCLK and SYSREF generation with configurable hitless and glitchless input switching capabilities.
• Provides status monitoring for loss of signal (LOS), out-of-frequency (OOF), and loss of lock (LOL) conditions via dedicated pins and registers.

Clock Generators, PLLs, Frequency Synthesizers Applications

• JESD204B clock generation for high-speed data converters
• Remote Radio Units (RRU) and Remote Radio Heads (RRH)
• Wireless base stations supporting 3G, LTE, and LTE-A standards
• Data conversion sampling clocks for ADC and DAC applications

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify component authenticity through authorized Skyworks distributors. Confirm the specific suffix indicates tape and reel packaging. Check for current availability as this model may be subject to limited supply or obsolescence notices. Ensure compliance with RoHS-6 and Pb-free standards required for modern assembly processes.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component for small cell and wireless infrastructure requiring high integration and low phase noise. Verify that the integer-based synthesis meets the specific frequency ratios needed for the target application. Ensure the 64-QFN package footprint aligns with the PCB layout constraints and thermal management requirements of the design.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Si538x family of wireless jitter attenuating clock multipliers. It utilizes Silicon Laboratories' 4th generation DSPLL architecture. The device is designed to replace traditional analog PLL solutions by providing superior immunity to board disturbances and power supply noise while maintaining precise timing synchronization.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult official Skyworks resources for cross-reference information or consider newer generations within the Si536x or Si539x families if updated designs are required.