The SI5350C-B03054-GT is a highly flexible clock generator from Skyworks Solutions Inc. It utilizes a phase-locked loop (PLL) to generate a wide range of frequencies from a single crystal or reference clock input. This integrated circuit is designed for applications requiring precise and programmable clock signals.
Applications
- Clock generation for embedded systems
- Frequency synthesis in communication equipment
- Local oscillator replacement
- Video and audio clocking
- Test and measurement equipment
Features
- Generates up to 8 independent clock frequencies
- Frequency range from 1 kHz to 200 MHz
- Integrated fractional-N PLL
- Low phase noise
- I2C programmable
- Small footprint package
- Excellent jitter performance
- Output Enable/Disable function
Benefits
- Simplifies clock tree design
- Reduces BOM cost by eliminating multiple oscillators
- Provides flexible frequency synthesis
- Improves system performance with low jitter clocks
- Enables easy frequency adjustment and control via I2C
- Saves board space with its compact size
- Enhances signal integrity and reduces EMI
- Allows disabling of clock outputs when not needed, saving power.
Technical Specifications
The SI5350C-B03054-GT operates from a 2.5V or 3.3V supply. It features a typical phase noise performance of -114 dBc/Hz at 1 kHz offset and -140 dBc/Hz at 10 kHz offset. The device is packaged in a 10-pin MSOP package. The I2C interface supports standard and fast modes. It requires an external crystal or reference clock for operation, typically in the range of 25-27 MHz. The output driver can be configured for different drive strengths to optimize signal integrity. The device supports fractional frequency synthesis, allowing for precise frequency tuning.
The SI5350C-B03054-GT is suitable for a wide range of applications requiring flexible and precise clock generation. Its integrated PLL, low phase noise, and I2C programmability make it an ideal solution for demanding clocking requirements. Its ability to generate multiple independent frequencies further simplifies system design and reduces the overall cost of the clock tree.