The SI5350C-B04433-GT is a programmable clock generator IC manufactured by Skyworks Solutions Inc. It leverages a fractional-N phase-locked loop (PLL) architecture to produce a wide range of output frequencies from a single input frequency source. This makes it a versatile solution for diverse clocking applications, offering both performance and flexibility in a compact package.

Applications

• Consumer electronics: Set-top boxes, audio equipment, gaming consoles
• Networking: Ethernet switches, routers, and network interface cards (NICs)
• Industrial control systems: Programmable logic controllers (PLCs), motor drives
• Test and Measurement: Frequency synthesizers, signal generators, and data acquisition systems
• Embedded systems: Microcontroller clocking, peripheral device clocking.

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 easy programming and control.
• Low phase noise and jitter performance for high-quality clock signals.
• Small footprint package (MSOP-10).
• Output enable/disable control.

Benefits

• Reduces BOM count and simplifies clock tree design by replacing multiple fixed-frequency oscillators.
• Provides flexible frequency synthesis for a wide range of applications.
• Enables precise frequency control and adjustment through the I2C interface.
• Improves system performance with low-jitter clock signals, leading to higher data rates and lower bit error rates.
• Saves board space due to its small size.
• Offers low power consumption, making it suitable for battery-powered applications.
• Reduces development time with its easy-to-use programming interface.

Technical Specifications

The SI5350C-B04433-GT operates with a supply voltage range of 2.5 V to 3.3 V. It requires an external crystal or reference clock, typically in the range of 25 MHz to 27 MHz. The device features 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. Additional features include a power-down mode for minimizing power consumption during idle periods. The device is RoHS compliant.

In summary, the SI5350C-B04433-GT provides a versatile and efficient solution for generating precise clock signals in a wide range of applications. Its programmability, low jitter performance, and small size make it an excellent choice for modern electronic systems.