SI5351 high frequency square wave generator

The SI5351 is a versatile clock generator IC capable of producing highly accurate square wave signals at various frequencies. It is commonly used in applications requiring precise clocking signals, such as in telecommunications, test equipment, amateur radio, and digital signal processing. The SI5351 can generate multiple clock signals simultaneously with low jitter and high frequency stability, making it ideal for demanding electronic projects.

Key Features:

• Generates square wave signals at high frequencies
• Multiple outputs with independent frequency control
• Low jitter and phase noise
• Programmable output frequency range
• I2C communication interface for easy control
• Internal PLL (Phase-Locked Loop) for frequency synthesis
• Supports 8 kHz to 160 MHz output frequencies
• Integrated crystal oscillator or external clock input
• Small form factor suitable for compact designs

Technical Specifications:

• Frequency Range: 8 kHz to 160 MHz
• Output Types: Square wave
• Output Impedance: 50 ohms (typically)
• Control Interface: I2C (standard or fast mode)
• Supply Voltage: Typically 2.5V to 3.3V
• Current Consumption: Typically <10 mA
• Phase Noise: -140 dBc/Hz at 10 kHz offset
• Jitter: <1 ps RMS (root mean square)
• Package: Typically QFN or TSSOP

Applications:

• Clock generation for microcontrollers and DSPs
• Frequency synthesis in RF and communication systems
• Test and measurement equipment
• Amateur radio (ham radio) projects
• Signal processing
• Frequency agile systems

Datasheet:
For detailed technical information, please refer to the SI5351 Datasheet.