SI5392A-A-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The Skyworks SI5392A-A-GM is a jitter attenuator and clock multiplier featuring four inputs and two outputs. It utilizes fourth-generation DSPLL technology to generate any output frequency from any input frequency, supporting both integer and fractional synthesis modes. The device operates with an external crystal or oscillator reference and provides ultra-low phase jitter of 100 fs RMS in fractional mode. Output frequencies range from 100 Hz to 1028 MHz for differential signals. It supports enhanced hitless switching, holdover modes, and status monitoring via I2C/SPI interfaces.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using integrated DSPLL technology
• Supports enhanced hitless switching to minimize output phase transients during input clock changes
• Includes programmable jitter attenuation bandwidth and fast-lock acquisition features
• Features independent output clock supply pins compatible with multiple voltage levels

Clock Generators, PLLs, Frequency Synthesizers Applications

• 56G/112G PAM4 SerDes clocking
• OTN muxponders and transponders
• 10/40/100/200/400G networking line cards
• Medical imaging systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering part number against the manufacturer's current datasheet to ensure compatibility with your design requirements. Confirm that the external reference component matches the specifications for Grade A devices. Check for any recent product change notifications regarding package or electrical parameter updates before finalizing procurement.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when an external crystal or oscillator reference is required rather than an integrated one. Ensure the application demands integer and fractional synthesis capabilities up to 1028 MHz. Verify that the 44-QFN package fits the board layout constraints. Consider the power supply requirements for VDD and VDDA pins during system design.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si539x family, which combines Si5395, Si5394, and Si5392 variants. The Si5392 specifically offers two outputs, distinguishing it from the four-output Si5394 and twelve-output Si5395. All variants share similar core technologies but differ in pin count and output capacity.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The Si5392A-A-GM is drop-in compatible with the Si5342 series. When replacing legacy components, verify that the new device supports the required jitter performance and frequency ranges. Ensure that the serial interface configuration remains compatible with existing control logic.