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SI5351A-B05797-GT
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SI5351A-B05797-GT

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics:
    • High-frequency accuracy and stability
    • Low phase noise
    • Programmable frequency synthesis
  • Package: QFN-20
  • Essence: Silicon-based integrated circuit
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications and Parameters

  • Supply Voltage: 2.8V to 3.63V
  • Output Frequency Range: 8kHz to 160MHz
  • Output Types: Square wave, CMOS, or LVDS
  • I2C Interface: Standard-mode (100 kHz) and Fast-mode (400 kHz)
  • Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

  1. VDD: Power supply voltage
  2. GND: Ground
  3. SDA: I2C data line
  4. SCL: I2C clock line
  5. XTAL1: Crystal oscillator input
  6. XTAL2: Crystal oscillator output
  7. CLK0: Output clock 0
  8. CLK1: Output clock 1
  9. CLK2: Output clock 2
  10. CLK3: Output clock 3
  11. CLK4: Output clock 4
  12. CLK5: Output clock 5
  13. CLK6: Output clock 6
  14. CLK7: Output clock 7
  15. CLK8: Output clock 8
  16. CLK9: Output clock 9
  17. CLK10: Output clock 10
  18. CLK11: Output clock 11
  19. CLK12: Output clock 12
  20. CLK13: Output clock 13

Functional Characteristics

  • Flexible frequency synthesis with 3 independent PLLs
  • Programmable output dividers and multipliers
  • Spread Spectrum Clocking (SSC) support
  • Output enable/disable control for each clock output
  • Low jitter and phase noise performance

Advantages and Disadvantages

Advantages: - High-frequency accuracy and stability - Programmable frequency synthesis allows versatile applications - Low phase noise ensures clean clock signals - Compact QFN-20 package for space-constrained designs

Disadvantages: - Limited output frequency range compared to some other clock generators - Requires I2C interface for configuration

Applicable Range of Products

  • Communication systems
  • Test and measurement equipment
  • Audio and video devices
  • Industrial automation systems
  • Embedded systems

Working Principles

The SI5351A-B05797-GT is a clock generator IC that utilizes three independent Phase-Locked Loops (PLLs) to generate accurate and stable clock signals. It accepts an external crystal oscillator input or a reference clock input and generates multiple output clocks with programmable frequencies. The PLLs allow precise frequency synthesis by dividing or multiplying the input frequency according to the desired output frequency.

Detailed Application Field Plans

  1. Communication Systems: Use the SI5351A-B05797-GT to generate clock signals for data transmission, synchronization, and timing in wireless communication systems.
  2. Test and Measurement Equipment: Employ the IC to provide precise clock references for oscilloscopes, signal generators, and other test instruments.
  3. Audio and Video Devices: Utilize the IC to generate clock signals for audio and video processing, ensuring accurate playback and synchronization.
  4. Industrial Automation Systems: Use the IC to synchronize various components and devices in industrial automation systems, such as PLCs and motor controllers.
  5. Embedded Systems: Incorporate the IC into embedded systems to generate clock signals for microcontrollers, FPGAs, and other digital components.

Detailed Alternative Models

  1. SI5351A-B-GT: Similar to SI5351A-B05797-GT but without the specific reel quantity designation.
  2. SI5351B-A05797-GT: A variant with a different pin configuration but similar functionality and characteristics.
  3. SI5351C-B05797-GT: Another variant with enhanced features, such as additional output clocks and improved phase noise performance.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of the SI5351A-B05797-GT? A: The maximum output frequency is 160MHz.

  2. Q: Can I use an external reference clock instead of a crystal oscillator? A: Yes, the SI5351A-B05797-GT supports both crystal oscillator and reference clock inputs.

  3. Q: How many independent PLLs does the IC have? A: The IC has three independent PLLs for flexible frequency synthesis.

  4. Q: Is the SI5351A-B05797-GT compatible with LVDS output? A: Yes,