SI5351A-B07371-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 (configurable)
• Phase Noise: -140dBc/Hz at 10kHz offset
• Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDA: Serial Data Input/Output
4. SCL: Serial Clock Input
5. XA/XB: Crystal Oscillator Inputs
6. CLK0/OUT0: Output Clock 0
7. CLK1/OUT1: Output Clock 1
8. CLK2/OUT2: Output Clock 2
9. CLK3/OUT3: Output Clock 3
10. CLK4/OUT4: Output Clock 4
11. CLK5/OUT5: Output Clock 5
12. CLK6/OUT6: Output Clock 6
13. CLK7/OUT7: Output Clock 7
14. NC: Not Connected

Functional Characteristics

• Flexible frequency synthesis and multiplication
• Configurable output frequencies and levels
• I2C interface for control and configuration
• Low jitter and phase noise performance
• Spread Spectrum Clocking (SSC) support
• Programmable output drive strength

Advantages and Disadvantages

Advantages: - Wide frequency range - High accuracy and stability - Low phase noise - Compact package size - Easy to integrate into various applications

Disadvantages: - Requires external crystal oscillator - Limited number of output clocks

Applicable Range of Products

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

Working Principles

The SI5351A-B07371-GTR is a clock generator IC that utilizes a fractional-N PLL (Phase-Locked Loop) architecture. It generates precise clock signals by multiplying the input reference frequency using a programmable feedback divider. The output frequencies can be configured through the I2C interface, allowing for flexible frequency synthesis.

Detailed Application Field Plans

1. Communication Systems: Use the SI5351A-B07371-GTR to generate clock signals for data transmission and reception in wireless communication systems.
2. Test and Measurement Equipment: Employ the IC to provide accurate timing signals for oscilloscopes, signal generators, and other test instruments.
3. Audio and Video Devices: Utilize the IC to generate stable clock signals for audio and video processing in multimedia devices.
4. Industrial Automation: Integrate the IC into control systems to synchronize various components and ensure precise timing in industrial automation applications.
5. Embedded Systems: Incorporate the IC into microcontroller-based systems to generate clock signals for synchronization and timing control.

Detailed Alternative Models

• SI5351B-B-GM: Similar clock generator IC with extended temperature range (-40°C to +105°C).
• Si5341A-B-GM: Clock generator IC with additional features such as jitter attenuation and fanout capabilities.
• Si5338A-B-GM: Multi-output clock generator IC with integrated voltage-controlled crystal oscillator (VCXO).

5 Common Technical Questions and Answers

1. Q: Can the output frequencies be changed dynamically? A: Yes, the SI5351A-B07371-GTR supports dynamic frequency changes through its I2C interface.

2. Q: What is the typical phase noise performance of this IC? A: The IC exhibits a phase noise level of -140dBc/Hz at a 10kHz offset.

3. Q: Is an external crystal oscillator required for operation? A: Yes, the IC requires an external crystal oscillator as the reference frequency source.

4. Q: Can the output drive strength be adjusted? A: Yes, the output drive strength is programmable to accommodate different load requirements.

5. Q: What is the power supply voltage range for this IC? A: The SI5351A-B07371-GTR operates within a supply voltage range of 2.8V to 3.63V.

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