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SI5338A-B07451-GMR
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SI5338A-B07451-GMR

Overview

  • Category: Integrated Circuit
  • Use: Clock Generator and Multiplier
  • Characteristics: High-performance, low-jitter, programmable clock generator
  • Package: 48-pin QFN
  • Essence: Provides multiple clock outputs with precise frequency control
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

  • Input Voltage Range: 2.375V to 3.63V
  • Output Frequency Range: 1kHz to 945MHz
  • Output Format: LVCMOS, LVDS, HCSL, CML
  • Programmable Features: Frequency, Output Format, Spread Spectrum, Phase Jitter
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SI5338A-B07451-GMR has a total of 48 pins. The pin configuration is as follows:

  1. VDDO
  2. VDDO
  3. VDDO
  4. VDDO
  5. VDDO
  6. VDDO
  7. VDDO
  8. VDDO
  9. VDDO
  10. VDDO
  11. VDDO
  12. VDDO
  13. VDDO
  14. VDDO
  15. VDDO
  16. VDDO
  17. VDDO
  18. VDDO
  19. VDDO
  20. VDDO
  21. VDDO
  22. VDDO
  23. VDDO
  24. VDDO
  25. VDDO
  26. VDDO
  27. VDDO
  28. VDDO
  29. VDDO
  30. VDDO
  31. VDDO
  32. VDDO
  33. VDDO
  34. VDDO
  35. VDDO
  36. VDDO
  37. VDDO
  38. VDDO
  39. VDDO
  40. VDDO
  41. VDDO
  42. VDDO
  43. VDDO
  44. VDDO
  45. VDDO
  46. VDDO
  47. VDDO
  48. VDDO

Functional Characteristics

  • High-frequency accuracy and stability
  • Low phase noise and jitter
  • Flexible frequency programming options
  • Multiple clock outputs with individual control
  • Spread spectrum modulation for EMI reduction
  • Integrated crystal oscillator for simplified design

Advantages and Disadvantages

Advantages: - Precise frequency control - Wide output frequency range - Programmable features for customization - Low jitter and phase noise

Disadvantages: - Requires external crystal oscillator - Limited to specific input voltage range

Applicable Range of Products

The SI5338A-B07451-GMR is suitable for various applications that require precise clock generation and multiplication. It can be used in telecommunications, networking, data centers, industrial automation, and consumer electronics.

Working Principles

The SI5338A-B07451-GMR utilizes a combination of PLL (Phase-Locked Loop) and VCXO (Voltage-Controlled Crystal Oscillator) techniques to generate accurate clock signals. The input reference frequency is multiplied and divided to achieve the desired output frequencies with low jitter and phase noise.

Detailed Application Field Plans

  1. Telecommunications: Clock synchronization in communication systems.
  2. Networking: Timing and synchronization in network switches and routers.
  3. Data Centers: Clock distribution and synchronization in server farms.
  4. Industrial Automation: Timing control in industrial control systems.
  5. Consumer Electronics: Clock generation for audio/video processing and display devices.

Detailed Alternative Models

  1. SI5338A-B07451-GM: Similar specifications and features, different package (QFN-32).
  2. SI5338A-B07451-GT: Similar specifications and features, extended temperature range (-40°C to +105°C).

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of SI5338A-B07451-GMR? A: The maximum output frequency is 945MHz.

  2. Q: Can I program the output format of the clock signals? A: Yes, the SI5338A-B07451-GMR supports various output formats such as LVCMOS, LVDS, HCSL, and CML.

  3. Q: Does the SI5338A-B07451-GMR have spread spectrum modulation capability? A: Yes, it supports spread spectrum modulation for reducing electromagnetic interference (EMI).

  4. Q: What is the operating temperature range of the SI5338A-B07451-GMR? A: The operating temperature range is -40°C to +85°C.

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