SI5341B-A-GMR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Jitter Attenuator
• Characteristics: High-performance, low-jitter clock synthesis and distribution
• Package: 48-pin QFN (Quad Flat No-Lead) package
• Essence: Provides precise clock signals for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Frequency Range: 100 Hz to 710 MHz
• Number of Outputs: 12 differential clock outputs
• Output Types: LVPECL, LVDS, HCSL, CML
• Phase Noise: -150 dBc/Hz at 10 kHz offset
• Input Frequency Jitter: < 300 fs RMS (Root Mean Square)
• Supply Voltage: 2.5 V or 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SI5341B-A-GMR has a total of 48 pins. The pin configuration is as follows:

1. VDDO_0
2. VDDO_1
3. VDDO_2
4. VDDO_3
5. VDDO_4
6. VDDO_5
7. VDDO_6
8. VDDO_7
9. VDDO_8
10. VDDO_9
11. VDDO_10
12. VDDO_11
13. GND
14. XAXB
15. XAXC
16. XDXA
17. XDXB
18. XDXC
19. XDXD
20. XDXE
21. XDXF
22. XDXG
23. XDXH
24. XDXI
25. XDXJ
26. VDDO_11
27. VDDO_10
28. VDDO_9
29. VDDO_8
30. VDDO_7
31. VDDO_6
32. VDDO_5
33. VDDO_4
34. VDDO_3
35. VDDO_2
36. VDDO_1
37. VDDO_0
38. GND
39. SDA
40. SCL
41. GND
42. VDDI
43. VDDI
44. GND
45. XTALN
46. XTALP
47. GND
48. VDDI

Functional Features

• Highly flexible frequency synthesis and distribution capabilities
• Integrated jitter attenuation for improved signal quality
• Programmable output formats to support various interface standards
• Low phase noise for precise timing requirements
• On-chip voltage regulators for stable operation

Advantages and Disadvantages

Advantages: - Wide frequency range suitable for diverse applications - High-performance clock generation with low jitter - Multiple output types for compatibility with different systems - Compact package size for space-constrained designs - Easy integration into existing circuits

Disadvantages: - Requires careful configuration for optimal performance - Limited number of outputs compared to some other clock generators - Relatively higher cost compared to basic clock oscillators

Working Principles

The SI5341B-A-GMR utilizes advanced PLL (Phase-Locked Loop) technology to generate highly accurate clock signals. It incorporates a combination of fractional-N synthesis, digital delay compensation, and low-noise voltage-controlled oscillators to achieve low jitter and phase noise performance. The device also features integrated jitter attenuators to further improve signal quality by reducing unwanted noise and distortion.

Detailed Application Field Plans

The SI5341B-A-GMR is widely used in various applications that require precise clock signals, such as:

1. Telecommunications equipment
2. Data center servers and switches
3. High-speed networking devices
4. Test and measurement instruments
5. Broadcast and video production equipment
6. Industrial automation systems
7. Medical imaging devices
8. Aerospace and defense systems

Alternative Models

For those seeking alternative options, the following clock generator ICs can be considered:

1. SI5340C-A-GM: Similar specifications with 10 differential clock outputs
2. Si5332A-B-GM: Lower-cost option with 8 differential clock outputs
3. MAX9279GTM+: Automotive-grade clock generator with 12 differential clock outputs
4. AD9528BCPZ: Clock generator with integrated PLL and 14 differential clock outputs

These alternatives provide a range of options to suit different requirements and budgets.

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