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SI5351A-B06486-GTR
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SI5351A-B06486-GTR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics:
    • High-frequency accuracy and stability
    • Low phase noise
    • Programmable output frequencies
    • Small package size
  • Package: QFN-20
  • Essence: The SI5351A-B06486-GTR is a highly integrated clock generator IC designed for various applications requiring precise and programmable clock signals.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

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

Detailed Pin Configuration

The SI5351A-B06486-GTR features a total of 20 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage input | | 2 | GND | Ground | | 3 | SDA | I2C Serial Data Input | | 4 | SCL | I2C Serial Clock Input | | 5-12 | OUT0-OUT7 | Programmable Clock Outputs | | 13 | XTAL | Crystal Oscillator Input | | 14 | XAXB | Crystal Oscillator Output Buffer | | 15 | XAXC | Crystal Oscillator Output Buffer | | 16 | CLKIN | External Clock Input | | 17 | REFCLK | Reference Clock Input | | 18 | VDDO | Power supply voltage for outputs | | 19 | GND | Ground | | 20 | NC | No Connection |

Functional Characteristics

  • Highly programmable clock generator with multiple output channels
  • Supports fractional and integer frequency synthesis
  • Integrated phase-locked loop (PLL) for precise frequency generation
  • Configurable output formats and drive strength
  • Low jitter and phase noise performance

Advantages and Disadvantages

Advantages: - High-frequency accuracy and stability - Programmable output frequencies - Small package size for space-constrained applications - Low phase noise for improved signal quality

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

Applicable Range of Products

The SI5351A-B06486-GTR is suitable for a wide range of applications that require precise clock signals, including: - Communication systems - Test and measurement equipment - Audio and video equipment - Industrial automation - Embedded systems

Working Principles

The SI5351A-B06486-GTR utilizes a combination of PLL and fractional-N synthesis techniques to generate accurate and programmable clock signals. It takes input from either an external crystal oscillator or a reference clock and generates multiple output frequencies based on the programmed settings.

Detailed Application Field Plans

  1. Communication Systems: The SI5351A-B06486-GTR can be used as a clock source in various communication systems, such as wireless transceivers, base stations, and network switches.
  2. Test and Measurement Equipment: This IC can provide precise clock signals for oscilloscopes, spectrum analyzers, signal generators, and other test and measurement instruments.
  3. Audio and Video Equipment: The SI5351A-B06486-GTR is suitable for applications like digital audio workstations, video processors, and broadcast equipment that require accurate timing.
  4. Industrial Automation: Clock synchronization is crucial in industrial automation systems, and this IC can be used to generate synchronized clock signals for PLCs, motor controllers, and robotics.
  5. Embedded Systems: The SI5351A-B06486-GTR can serve as a clock source in various embedded systems, including microcontrollers, FPGA-based designs, and IoT devices.

Detailed Alternative Models

  • SI5351A-B-GT: Similar clock generator IC with a different package and pin configuration.
  • Si5341A-B-GM: Clock generator IC with additional features like jitter attenuation and frequency margining.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of the SI5351A-B06486-GTR? A: The maximum output frequency is 160MHz.

  2. Q: Can I use an external crystal oscillator instead of a reference clock? A: Yes, the SI5351A-B06486-GTR supports both crystal oscillator and reference clock inputs.

  3. Q: How many programmable clock outputs does this IC have?