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SI5338N-B06121-GMR
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SI5338N-B06121-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-leads)
  • Essence: Clock generation and distribution
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

  • Input Frequency Range: 1 MHz to 710 MHz
  • Output Frequency Range: 1 kHz to 945 MHz
  • Supply Voltage: 2.5 V to 3.3 V
  • 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

  1. VDDO: Output supply voltage
  2. GND: Ground
  3. XIN: Crystal oscillator input
  4. XOUT: Crystal oscillator output
  5. SDA: I2C serial data input/output
  6. SCL: I2C serial clock input
  7. VDDI: Digital supply voltage
  8. VDDA: Analog supply voltage
  9. REFCLK: Reference clock input
  10. OUT0 to OUT7: Clock outputs
  11. FS0 to FS3: Format select inputs
  12. OE: Output enable
  13. PLLVDD: PLL power supply voltage
  14. PLLGND: PLL ground
  15. PLLVDDO: PLL output supply voltage
  16. PLLGND: PLL ground

Functional Characteristics

  • Flexible clock synthesis and distribution
  • Low jitter and phase noise performance
  • Programmable output formats (LVPECL, LVDS, HCSL, etc.)
  • Spread spectrum modulation for EMI reduction
  • Integrated phase-locked loop (PLL) for frequency multiplication
  • I2C interface for easy configuration

Advantages and Disadvantages

Advantages: - High-performance clock generation and distribution - Programmable features for versatile applications - Low jitter and phase noise for improved signal integrity - Spread spectrum modulation for EMI reduction

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

Applicable Range of Products

  • Telecommunications equipment
  • Networking devices
  • Data centers
  • Industrial automation systems
  • Test and measurement instruments
  • Consumer electronics

Working Principles

The SI5338N-B06121-GMR is a clock generator IC that uses an external crystal oscillator as the reference clock. It incorporates a phase-locked loop (PLL) to multiply the input frequency and generate multiple output clocks with programmable frequencies and formats. The device also supports spread spectrum modulation to reduce electromagnetic interference (EMI). The clock outputs can be configured to various formats such as LVPECL, LVDS, or HCSL, depending on the application requirements.

Detailed Application Field Plans

  1. Telecommunications Equipment: The SI5338N-B06121-GMR can be used in base stations, routers, and switches to provide precise clock signals for data synchronization and timing.
  2. Networking Devices: This IC can be utilized in network switches, routers, and gateways to ensure accurate clocking for high-speed data transmission.
  3. Data Centers: Clock synchronization is crucial in data centers for efficient operation and reliable data processing. The SI5338N-B06121-GMR can be employed in server racks and storage systems.
  4. Industrial Automation Systems: In industrial control systems and factory automation, this clock generator can be used to synchronize various components and ensure precise timing for critical processes.
  5. Test and Measurement Instruments: The SI5338N-B06121-GMR can provide accurate clock signals for oscilloscopes, signal generators, and other test equipment, enabling precise measurements.

Detailed Alternative Models

  • SI5338A-B06121-GMR: Similar to SI5338N-B06121-GMR but with extended temperature range (-40°C to +105°C).
  • SI5338B-B06121-GMR: Similar to SI5338N-B06121-GMR but with enhanced phase noise performance.
  • SI5338C-B06121-GMR: Similar to SI5338N-B06121-GMR but with additional features like frequency margining and spread spectrum modulation control.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of the SI5338N-B06121-GMR? A: The maximum output frequency is 945 MHz.

  2. Q: Can I use a different crystal oscillator frequency as the reference clock? A: Yes, the SI5338N-B06121-GMR supports a wide input frequency range from 1 MHz