The SI5350A-B-GTR is a CMOS clock generator from Silicon Labs that utilizes a fractional-N synthesizer to generate any frequency from 8 kHz to 160 MHz. It requires only a low-cost crystal to generate multiple, independent clocks. The device is highly flexible and programmable, making it suitable for a wide range of applications. It is supplied in a 10-MSOP package.

Applications:

• Clock generation for microcontrollers and microprocessors.
• Frequency synthesis in communication systems.
• Replacement of crystals and oscillators in various applications.
• Consumer electronics: Set-top boxes, audio devices, and gaming consoles.
• Industrial control systems: Programmable logic controllers and motor drives.

Features:

• Generates any frequency from 8 kHz to 160 MHz.
• Requires only a low-cost crystal.
• I2C programmable.
• Three independent clock outputs.
• Low phase noise.
• Small 10-MSOP package.

Benefits:

• Reduces BOM cost by eliminating the need for multiple crystals.
• Simplifies clock tree design.
• Provides flexible frequency selection.
• Enables precise clock control for optimized system operation.
• Saves board space with its compact package.

Additional Details:

The SI5350A-B-GTR clock generator is highly configurable through an I2C interface. The device supports various clock formats, including CMOS, offering flexibility in system design. Its low power consumption and small size make it an ideal choice for portable applications. The device's fractional-N synthesizer allows for precise frequency generation with low jitter. It is widely used in applications where precise timing and flexible frequency selection are required. Because the device does not contain internal EEPROM, the configuration must be written to the device upon each power-up, typically using a microcontroller or other I2C master.