The SI5350C-B04434-GT is a programmable clock generator from Skyworks Solutions Inc. designed to provide flexible and precise clock signals for a variety of applications. It utilizes a fractional-N PLL (Phase-Locked Loop) architecture, enabling the generation of a wide range of output frequencies from a single crystal or reference clock input. This integrated circuit offers a high degree of programmability and is suitable for applications requiring customizable clock signals.

Applications

• Embedded Systems Clocking: Suitable for microcontrollers, processors, and other digital ICs.
• Networking Equipment: Used in routers, switches, and network interface cards (NICs) for timing and synchronization.
• Consumer Electronics: Found in set-top boxes, audio equipment, and gaming consoles.
• Industrial Automation: Employed in programmable logic controllers (PLCs) and motor drives.
• Test and Measurement Equipment: Used in frequency synthesizers and signal generators.

Features

• Generates up to 4 independent clock outputs.
• Frequency range: 1 kHz to 200 MHz.
• Integrated fractional-N PLL for high-resolution frequency synthesis.
• I2C interface for programming and control.
• Low phase noise and jitter performance.
• Small footprint package (MSOP-10).
• Output enable/disable control.

Benefits

• Simplifies clock tree design: Reduces the number of discrete oscillators required.
• Provides flexible frequency synthesis: Enables the generation of custom clock frequencies.
• Improves system performance: Low jitter clocks enhance data rates and reduce bit errors.
• Reduces BOM cost: Integrates multiple clock functions into a single IC.
• Saves board space: Compact MSOP-10 package.
• Easy to program: I2C interface simplifies configuration and control.
• Low power consumption: Suitable for battery-powered applications.

Technical Specifications

The SI5350C-B04434-GT operates from a supply voltage of 2.5V to 3.3V. It requires an external crystal or reference clock, typically in the range of 25 MHz to 27 MHz. The device exhibits typical phase noise performance of -114 dBc/Hz at 1 kHz offset and -140 dBc/Hz at 10 kHz offset. The output drivers are configurable for different drive strengths. The I2C interface supports standard and fast modes. The device also includes a power-down mode for minimizing power consumption when not in use. The operating temperature range is -40°C to +85°C.

The SI5350C-B04434-GT offers a compelling solution for applications demanding flexible and precise clock generation. Its programmability, low jitter, and small size make it well-suited for modern electronic systems.