The SI5350A-B05242-GM is a programmable clock generator IC from Skyworks Solutions. It's designed to generate multiple, user-configurable clock frequencies from a single reference clock or crystal. The IC utilizes a fractional-N PLL to provide high-resolution frequency synthesis with low jitter. The 'GM' suffix typically indicates the package type and operating temperature range.
Applications
- Clock generation for set-top boxes
- Frequency synthesis for audio equipment
- Reference clock for network devices
- Timing source for embedded systems
- Clocking for consumer electronics devices
Features
- Generates up to 4 independent clock outputs
- Frequency range from 8 kHz to 160 MHz
- I2C interface for configuration and control
- Low phase noise and jitter
- Integrated crystal oscillator option
- Output enable/disable control
- Small footprint package
Benefits
- Reduces bill of materials (BOM) by replacing multiple crystals
- Simplifies clock tree design
- Improves system performance due to low jitter clocks
- Provides flexible frequency planning
- Eases integration with microcontrollers via I2C
- Enables precise frequency control and adjustment
Additional Details
The SI5350A-B05242-GM operates on a supply voltage of 2.5V to 3.3V. The 'B05242' part of the identifier represents a specific factory programmed configuration of the device which defines the default output frequencies and settings. The I2C interface provides a means to program and control various parameters, including output frequencies, clock dividers, and output enable/disable. The SI5350A family is known for its ability to generate stable and precise clock signals while minimizing power consumption and board space. It is frequently used in applications where multiple clock frequencies are required, and a compact, flexible solution is desired. The precise output frequencies can be tailored to the specific needs of the application, making it a versatile choice for designers.