SI5335B-B08979-GMR
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Clock Generator and Multiplier
- Characteristics: High-performance, Low-jitter, Programmable
- Package: 48-pin QFN (Quad Flat No-Lead)
- Essence: Provides clock signals for various electronic devices
- Packaging/Quantity: Tape and Reel, 250 units per reel
Specifications and Parameters
- Input Frequency Range: 1 MHz to 710 MHz
- Output Frequency Range: 8 kHz to 945 MHz
- Supply Voltage: 2.375V to 3.63V
- Operating Temperature Range: -40°C to +85°C
- Phase Noise: -150 dBc/Hz at 100 kHz offset
- Programmable Features: Output frequency, output format, spread spectrum modulation, etc.
Detailed and Complete Pin Configuration
- VDDO: Output Power Supply
- VDDI: Input Power Supply
- GND: Ground
- XAXB: Crystal Oscillator Inputs
- XAXT: Crystal Oscillator Outputs
- CLKOUTx: Clock Outputs (x = 0 to 11)
- SDA: I2C Serial Data Input
- SCL: I2C Serial Clock Input
- REFCLK: Reference Clock Input
- VDDREF: Reference Clock Power Supply
- VDDOSC: Oscillator Power Supply
- VDDPLL: PLL Power Supply
- VDDA: Analog Power Supply
- VDDP: Digital Power Supply
- NC: Not Connected
Functional Characteristics
- Flexible clock generation and multiplication
- Low jitter and phase noise for high-quality signal transmission
- Wide input and output frequency range
- Programmable features for customization
- I2C interface for easy configuration
- Spread spectrum modulation for EMI reduction
Advantages and Disadvantages
Advantages: - High-performance clock generation - Low jitter and phase noise - Programmable features for customization - Wide frequency range
Disadvantages: - Requires external crystal oscillator - Limited number of clock outputs (12)
Applicable Range of Products
- Telecommunications equipment
- Networking devices
- Data storage systems
- Industrial automation
- Consumer electronics
Working Principles
The SI5335B-B08979-GMR is a clock generator and multiplier IC. It takes an input reference clock and generates multiple output clocks with different frequencies. The device uses a phase-locked loop (PLL) to multiply the input frequency and provide precise and stable clock signals. The programmable features allow users to customize the output frequency, format, and other parameters according to their specific requirements.
Detailed Application Field Plans
- Telecommunications Equipment: The SI5335B-B08979-GMR can be used in base stations, routers, and switches to provide synchronized clock signals for data transmission and processing.
- Networking Devices: It can be utilized in network switches, routers, and servers to ensure accurate timing for data packet handling and synchronization.
- Data Storage Systems: The IC can be integrated into storage arrays and RAID controllers to generate clock signals for data read/write operations and disk array synchronization.
- Industrial Automation: It can be employed in programmable logic controllers (PLCs), motor drives, and industrial control systems to synchronize various processes and enable precise timing.
- Consumer Electronics: The device can be used in smart TVs, set-top boxes, and gaming consoles to generate clock signals for audio/video processing and synchronization.
Detailed Alternative Models
- SI5338A-C-GM: Similar clock generator IC with additional features like spread spectrum modulation and higher output frequency range.
- SI5341B-B-GM: Clock generator and jitter attenuator IC with advanced phase-locked loop architecture for ultra-low jitter performance.
- SI5335C-B08979-GMR: Upgraded version of SI5335B-B08979-GMR with improved specifications and additional features.
5 Common Technical Questions and Answers
Q: Can the SI5335B-B08979-GMR generate non-integer output frequencies? A: No, the device can only generate integer multiples of the input frequency.
Q: What is the maximum number of clock outputs that can be generated? A: The SI5335B-B08979-GMR can generate up to 12 clock outputs.
Q: Does the IC support spread spectrum modulation? A: Yes, the device supports spread spectrum modulation for reducing electromagnetic interference (EMI).
Q: Can the output frequency be changed dynamically during operation? A: Yes, the output frequency can be programmed and changed dynamically using the I2C interface.
Q: Is an external crystal oscillator required for the SI5335