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SI5338J-B04983-GMR

SI5338J-B04983-GMR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics: High-performance, Low-jitter, Programmable
  • Package: 48-pin QFN
  • Essence: Clock synthesis and distribution
  • Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications and Parameters

  • Frequency Range: 1 MHz to 350 MHz
  • Output Format: LVCMOS, LVDS, HCSL
  • Supply Voltage: 2.5 V to 3.3 V
  • Operating Temperature Range: -40°C to +85°C
  • Phase Jitter: <0.3 ps RMS (typical)

Detailed and Complete Pin Configuration

  1. VDDO
  2. GND
  3. XIN
  4. XOUT
  5. VDDI
  6. GND
  7. CLK0_OUT
  8. CLK1_OUT
  9. CLK2_OUT
  10. CLK3_OUT
  11. CLK4_OUT
  12. CLK5_OUT
  13. CLK6_OUT
  14. CLK7_OUT
  15. CLK8_OUT
  16. CLK9_OUT
  17. CLK10_OUT
  18. CLK11_OUT
  19. CLK12_OUT
  20. CLK13_OUT
  21. CLK14_OUT
  22. CLK15_OUT
  23. CLK16_OUT
  24. CLK17_OUT
  25. CLK18_OUT
  26. CLK19_OUT
  27. CLK20_OUT
  28. CLK21_OUT
  29. CLK22_OUT
  30. CLK23_OUT
  31. CLK24_OUT
  32. CLK25_OUT
  33. CLK26_OUT
  34. CLK27_OUT
  35. CLK28_OUT
  36. CLK29_OUT
  37. CLK30_OUT
  38. CLK31_OUT
  39. CLK32_OUT
  40. CLK33_OUT
  41. CLK34_OUT
  42. CLK35_OUT
  43. CLK36_OUT
  44. CLK37_OUT
  45. CLK38_OUT
  46. CLK39_OUT
  47. CLK40_OUT
  48. VDDO

Functional Characteristics

  • Flexible clock synthesis and distribution
  • Programmable output frequencies and formats
  • Low phase noise and jitter
  • Integrated crystal oscillator
  • Spread Spectrum Clocking (SSC) support
  • I2C interface for configuration and control

Advantages and Disadvantages

Advantages: - Wide frequency range - High-performance clock generation - Low jitter for precise timing applications - Programmable outputs for versatile use

Disadvantages: - Requires external crystal oscillator - Limited to specific output formats

Applicable Range of Products

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

Working Principles

The SI5338J-B04983-GMR is a clock generator IC that utilizes a combination of PLL (Phase-Locked Loop) and VCXO (Voltage-Controlled Crystal Oscillator) techniques to generate high-quality clock signals. It takes an input reference clock and synthesizes multiple output clocks with programmable frequencies and formats.

Detailed Application Field Plans

  1. Telecommunications: Used in base stations, routers, and switches for precise synchronization and timing.
  2. Networking: Provides clock signals for Ethernet switches, routers, and network interface cards.
  3. Data Centers: Ensures accurate clock distribution within server racks and data storage systems.
  4. Industrial Automation: Synchronizes various components in factory automation systems.
  5. Test and Measurement: Generates stable and precise clock signals for test equipment and oscilloscopes.

Detailed Alternative Models

  1. SI5332A-B-GM: Similar clock generator IC with a different pin configuration.
  2. SI5341B-B-GM: Clock generator and jitter attenuator with additional features.
  3. SI5368A-B-GM: Multi-channel clock generator with advanced synchronization capabilities.

5 Common Technical Questions and Answers

  1. Q: Can the output frequencies be adjusted in real-time? A: Yes, the SI5338J-B04983-GMR supports on-the-fly frequency changes via its I2C interface.

  2. Q: What is the typical phase noise performance of this IC? A: The phase noise is typically below 0.3 ps RMS, ensuring accurate timing for sensitive applications.

  3. Q: Does it support spread spectrum clocking? A: Yes, the SI5338J-B04983-GMR has built-in support for Spread Spectrum Clocking (SSC) to reduce electromagnetic interference.

  4. Q: Can I use an external crystal oscillator instead of the integrated one? A: Yes, the IC provides options for using either the integrated VCXO or an external crystal oscillator.

  5. Q: What is the power supply voltage