SI5351A-B07951-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 pieces 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
• Phase Noise: -140dBc/Hz at 10kHz offset
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SI5351A-B07951-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 | XTAL | Crystal Oscillator Input | | 4 | SDA | I2C Serial Data Input/Output | | 5 | SCL | I2C Serial Clock Input | | 6-9 | OUT0-OUT3 | Clock Output Channels | | 10-13 | OUT4-OUT7 | Clock Output Channels | | 14 | NC | No Connection | | 15 | VDDO | Output Power Supply Voltage | | 16 | GND | Ground | | 17-20 | NC | No Connection |

Functional Characteristics

• Flexible frequency synthesis with fractional dividers
• Programmable output frequencies and phase offsets
• Three independent PLLs for generating different clock signals
• Low jitter and phase noise performance
• I2C interface for easy configuration

Advantages and Disadvantages

Advantages: - High frequency accuracy - Low phase noise - Wide output frequency range - Compact QFN package for space-constrained designs

Disadvantages: - Requires external crystal oscillator for frequency reference - Limited number of output channels

Applicable Range of Products

The SI5351A-B07951-GTR is widely used in various electronic devices that require accurate clock signals. It is commonly found in applications such as: - Communication systems - Test and measurement equipment - Audio and video equipment - Industrial automation systems - Embedded systems

Working Principles

The SI5351A-B07951-GTR utilizes a combination of phase-locked loops (PLLs) and fractional dividers to generate precise clock signals. The input crystal oscillator provides the reference frequency, which is then divided and multiplied to achieve the desired output frequencies.

Detailed Application Field Plans

1. Communication Systems: The SI5351A-B07951-GTR can be used to generate clock signals for data transmission and reception in wireless communication systems.
2. Test and Measurement Equipment: It is suitable for generating stable clock signals in oscilloscopes, signal generators, and other test instruments.
3. Audio and Video Equipment: The IC can provide accurate timing for audio and video processing in devices like digital audio players and high-definition televisions.
4. Industrial Automation Systems: It can be used in programmable logic controllers (PLCs) and industrial control systems to synchronize various processes.
5. Embedded Systems: The SI5351A-B07951-GTR is ideal for embedded systems that require precise timing, such as microcontrollers and single-board computers.

Detailed Alternative Models

1. SI5351A-B-GM: Similar clock generator IC with a different package and pin configuration.
2. SI5341A-B07951-GTR: Clock generator IC with additional features like jitter attenuation and fanout buffers.
3. MAX038CPP: Function generator IC that can generate various waveforms in addition to clock signals.
4. LTC6908CMS8: Precision oscillator IC with programmable frequency and low phase noise.
5. CDCE913-Q1: Automotive-grade clock generator IC with multiple PLLs and flexible output configurations.

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of the SI5351A-B07951-GTR? A: The maximum output frequency is 160MHz.

2. Q: Can I use an external voltage reference instead of a crystal oscillator? A: No, the SI5351A-B07951-GTR requires a crystal oscillator as the frequency reference.

3. Q: How many independent PLLs are available in this IC? A: There are three independent PLLs for generating different clock signals.

4. Q: What is the typical phase noise