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SI5351A-B04683-GTR
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SI5351A-B04683-GTR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics: High Frequency Accuracy, Low Phase Noise, Programmable Output Frequencies
  • Package: QFN (Quad Flat No-leads) Package
  • Essence: Silicon-based integrated circuit for generating clock signals
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications and Parameters

  • Frequency Range: 8 kHz to 160 MHz
  • Supply Voltage: 2.5V to 3.63V
  • Output Formats: Square Wave, CMOS, LVDS
  • Programmable Features: Frequency, Phase, Duty Cycle
  • Control Interface: I2C (Inter-Integrated Circuit)

Pin Configuration

The SI5351A-B04683-GTR has a total of 20 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Voltage | | 2 | GND | Ground | | 3 | SDA | I2C Serial Data Line | | 4 | SCL | I2C Serial Clock Line | | 5 | XAXB | Crystal Input or Reference Clock Input | | 6-9 | CLK0-CLK3 | Programmable Clock Outputs | | 10-13 | CLK4-CLK7 | Programmable Clock Outputs | | 14 | OE | Output Enable | | 15 | NC | No Connection | | 16 | NC | No Connection | | 17 | NC | No Connection | | 18 | NC | No Connection | | 19 | NC | No Connection | | 20 | NC | No Connection |

Functional Characteristics

  • High frequency accuracy with fractional-N PLL (Phase-Locked Loop) architecture
  • Low phase noise for precise clock synchronization
  • Programmable output frequencies for versatile applications
  • Integrated voltage-controlled crystal oscillator (VCXO)
  • Flexible control interface through I2C communication

Advantages and Disadvantages

Advantages: - Wide frequency range suitable for various applications - Precise frequency control with programmable features - Low phase noise ensures accurate timing - Compact QFN package for space-constrained designs

Disadvantages: - Requires external crystal or reference clock source - Limited number of programmable clock outputs

Applicable Range of Products

The SI5351A-B04683-GTR is commonly used in the following products: - Communication systems - Test and measurement equipment - Industrial automation devices - Audio and video equipment - Embedded systems

Working Principles

The SI5351A-B04683-GTR utilizes a fractional-N PLL to generate clock signals. It takes an external crystal or reference clock as input and uses a feedback mechanism to adjust the output frequency. The programmable features allow precise control over the output frequency, phase, and duty cycle.

Detailed Application Field Plans

  1. Communication Systems: The SI5351A-B04683-GTR can be used as a clock generator in wireless communication systems, providing synchronized timing for data transmission and reception.
  2. Test and Measurement Equipment: This IC can serve as a clock source in oscilloscopes, signal generators, and other test instruments, ensuring accurate timing for precise measurements.
  3. Industrial Automation Devices: Clock synchronization is crucial in industrial automation applications. The SI5351A-B04683-GTR can provide stable and synchronized clock signals for PLCs (Programmable Logic Controllers), motor drives, and other automation devices.
  4. Audio and Video Equipment: The IC can be used in audio and video equipment, such as digital audio workstations, video recorders, and multimedia players, to generate clock signals for accurate synchronization of audio and video streams.
  5. Embedded Systems: The SI5351A-B04683-GTR is suitable for embedded systems that require precise timing, such as microcontrollers, FPGA (Field-Programmable Gate Array) boards, and IoT (Internet of Things) devices.

Detailed Alternative Models

  1. SI5351B-B04683-GTR: Similar to SI5351A-B04683-GTR but with extended frequency range up to 200 MHz.
  2. SI5351C-B04683-GTR: Improved version with lower phase noise and additional features like spread spectrum modulation.
  3. SI5351D-B04683-GTR: Higher-performance model with wider frequency range and enhanced programmability.

5 Common Technical Questions and Answers

  1. Q: Can the SI5351A-B04683-GTR generate multiple clock frequencies simultaneously? A: Yes, it can generate up to 8 programmable clock outputs with different frequencies