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SI5351A-B07321-GTR
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SI5351A-B07321-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-Lead)
  • Essence: Silicon-based integrated circuit for generating clock signals
  • 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 Level: 0.4V to 2.0V
  • Operating Temperature Range: -40°C to +85°C
  • Phase Noise at 100MHz: -135dBc/Hz @ 10kHz offset
  • I2C Interface for Configuration

Detailed and Complete Pin Configuration

  1. VDD: Power supply voltage
  2. GND: Ground reference
  3. SDA: I2C data line
  4. SCL: I2C clock line
  5. CLK0: Output clock 0
  6. CLK1: Output clock 1
  7. CLK2: Output clock 2
  8. OE: Output enable control
  9. NC: No connection
  10. XTAL: Crystal oscillator input
  11. XAXB: Crystal oscillator output buffer
  12. XAXB#: Crystal oscillator output buffer inverted
  13. VDDO: Output power supply voltage
  14. GND: Ground reference

Functional Characteristics

  • Generates up to 3 independent clock signals simultaneously
  • Programmable output frequencies with fine resolution
  • Low phase noise for high-quality clock signals
  • Supports spread spectrum modulation for EMI reduction
  • Flexible output level control
  • I2C interface for easy configuration

Advantages and Disadvantages

Advantages: - High frequency accuracy - Low phase noise - Programmable output frequencies - Spread spectrum modulation support

Disadvantages: - Requires external crystal oscillator for clock input - Limited output voltage range

Applicable Range of Products

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

Working Principles

The SI5351A-B07321-GTR is a clock generator IC that utilizes a crystal oscillator as its reference. It generates multiple clock signals with programmable frequencies and phase relationships. The IC incorporates a PLL (Phase-Locked Loop) to achieve high frequency accuracy and low phase noise. The output clocks can be used as timing references for various electronic systems.

Detailed Application Field Plans

  1. Communication Systems: Use the SI5351A-B07321-GTR to generate clock signals for data transmission and reception in wireless communication systems.
  2. Test and Measurement Equipment: Utilize the IC to provide accurate timing references for oscilloscopes, signal generators, and other test instruments.
  3. Audio and Video Devices: Generate stable clock signals for audio and video processing in multimedia devices such as TVs, DVD players, and sound systems.
  4. Industrial Automation Systems: Employ the IC to synchronize the operation of sensors, actuators, and control units in industrial automation applications.
  5. Embedded Systems: Use the IC to generate clock signals for microcontrollers, digital signal processors, and other embedded systems.

Detailed Alternative Models

  1. SI5351B-B07321-GTR: Similar to SI5351A-B07321-GTR but with additional features for spread spectrum modulation.
  2. SI5351C-B07321-GTR: Improved version with lower phase noise and extended frequency range.
  3. SI5352A-B07321-GTR: Dual-channel clock generator IC with independent frequency control for each channel.
  4. SI5361A-B07321-GTR: Clock generator IC with integrated voltage-controlled crystal oscillator (VCXO) for precise frequency synthesis.
  5. SI5701A-B07321-GTR: High-performance clock generator IC with wide frequency range and advanced jitter attenuation capabilities.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of the SI5351A-B07321-GTR? A: The maximum output frequency is 160MHz.

  2. Q: Can I program the output frequencies in real-time? A: Yes, the IC supports dynamic frequency programming via the I2C interface.

  3. Q: Does the SI5351A-B07321-GTR require an external crystal oscillator? A: Yes, an external crystal oscillator is needed as the reference for generating clock signals.

  4. Q: Can I adjust the output voltage levels of the clock signals? A: Yes, the IC provides programmable output level control for each clock output.

  5. Q: Is the SI5351A-B07321-GTR suitable for battery-powered