SI5351A-B04491-GMR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Multiplier
• Characteristics: High frequency accuracy, low jitter, programmable output frequencies
• Package: QFN (Quad Flat No-leads) package
• Essence: Silicon-based integrated circuit
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications and Parameters

• Frequency Range: 8 kHz to 160 MHz
• Output Channels: 3
• Supply Voltage: 2.8V to 3.63V
• Operating Temperature Range: -40°C to +85°C
• Phase Noise: -140 dBc/Hz at 100 kHz offset
• Programmable Features: Output frequency, phase, and amplitude control

Detailed and Complete Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. XA/XB: Crystal oscillator input
6. CLK0/OUT0: Output channel 0
7. CLK1/OUT1: Output channel 1
8. CLK2/OUT2: Output channel 2

Functional Characteristics

• Flexible frequency synthesis and multiplication
• Low phase noise and jitter
• Wide frequency range with fine resolution
• Programmable output formats (square wave, sine wave, etc.)
• I2C interface for easy configuration and control

Advantages and Disadvantages

Advantages: - High frequency accuracy and stability - Programmable features allow versatile applications - Compact size and easy integration into electronic systems

Disadvantages: - Limited output channels compared to some other clock generators - Requires external crystal oscillator for frequency reference

Applicable Range of Products

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

Working Principles

The SI5351A-B04491-GMR is a clock generator IC that utilizes a phase-locked loop (PLL) to generate precise and stable clock signals. It takes an external crystal oscillator as the reference frequency source and uses programmable dividers and multipliers to synthesize output frequencies. The IC also incorporates a low-jitter voltage-controlled oscillator (VCO) for fine frequency tuning.

Detailed Application Field Plans

1. Communication Systems: Use the SI5351A-B04491-GMR to generate clock signals for data transmission, synchronization, and timing in wireless communication systems.
2. Test and Measurement Equipment: Employ the IC to provide accurate and synchronized clock signals for various test instruments, such as oscilloscopes, spectrum analyzers, and signal generators.
3. Audio and Video Devices: Utilize the IC to generate clock signals for audio and video processing, ensuring precise timing and synchronization in multimedia applications.
4. Industrial Automation Systems: Apply the IC in industrial control systems to synchronize processes, coordinate timing, and enable precise control in manufacturing and automation processes.
5. Embedded Systems: Integrate the IC into embedded systems to generate clock signals for microcontrollers, digital signal processors, and other components, ensuring proper operation and synchronization.

Detailed Alternative Models

• SI5351A-B-GT: Similar clock generator IC with extended temperature range (-40°C to +105°C)
• SI5351B-B04491-GMR: Clock generator IC with additional features like spread spectrum modulation and fractional-N synthesis

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of the SI5351A-B04491-GMR? A: The maximum output frequency is 160 MHz.

2. Q: Can I program the phase and amplitude of the output signals? A: Yes, the SI5351A-B04491-GMR allows programmable phase and amplitude control.

3. Q: What is the power supply voltage range for this IC? A: The recommended power supply voltage range is 2.8V to 3.63V.

4. Q: Does the SI5351A-B04491-GMR support I2C communication? A: Yes, it has an I2C interface for easy configuration and control.

5. Q: Is an external crystal oscillator required for this IC? A: Yes, an external crystal oscillator is needed as the frequency reference for the SI5351A-B04491-GMR.