SI5350C-B06847-GTR

Clock Generators, PLLs, Frequency Synthesizers Overview

The Si5350C-B06847-GTR is a factory-programmable CMOS clock generator with an integrated PLL, manufactured by Skyworks Solutions. It utilizes a dual PLL and MultiSynth fractional divider architecture to generate up to eight non-integer-related frequencies ranging from 2.5 kHz to 200 MHz with 0 ppm error. The device supports glitchless frequency changes and configurable spread spectrum for EMI reduction. It accepts a 25 MHz or 27 MHz crystal reference or an external clock input (10–100 MHz). Supply voltages for the core (VDD) and outputs (VDDO) are independently selectable at 1.8 V, 2.5 V, or 3.3 V. This specific part number corresponds to the 10-MSOP package variant providing three LVCMOS outputs.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates exact frequency synthesis with zero ppm error using a dual PLL and high-resolution fractional divider architecture.
• Supports glitchless frequency transitions and user-configurable control pins for output enable, power down, and frequency selection.
• Features configurable spread spectrum modulation on outputs referencing PLLA to reduce electromagnetic interference.
• Provides independent voltage supply pins allowing level translation between core logic and output buffers.

Clock Generators, PLLs, Frequency Synthesizers Applications

• HDTV, DVD/Blu-ray players, and set-top boxes
• Audio/video equipment and gaming consoles
• Printers, scanners, and projectors
• Residential gateways and networking communication devices

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the ordering suffix matches the required package type and pin count. Confirm that the factory-programmed configuration aligns with the target system's frequency requirements. Ensure the reference source matches the programmed input type, as this variant relies on pin-based configuration rather than I2C programming.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a fixed, factory-programmed timing solution is preferred over field-reconfigurable parts. Choose the 10-MSOP package if board space is limited and only three output clocks are necessary. Verify that the application requires a crystal or external clock input compatible with the CLKIN or XA/XB pins defined in the datasheet.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Si5350 family of programmable clock generators. Unlike the Si5351 series which uses I2C configuration, the Si5350C series is configured via hardware pins and factory programming. The 'GTR' suffix typically indicates tape and reel packaging for surface-mount assembly.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements include other Si5350C variants with different output counts such as Si5350C-Bxxxxx-GM1 (16-QFN, 4 outputs) or Si5350C-Bxxxxx-GM (20-QFN, 8 outputs), provided the frequency plan is identical. Generic replacements require reprogramming via ClockBuilder Pro software.