SI5381A-C04991-GMR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Jitter Attenuator
• Characteristics: High-performance, low-jitter clock generation and distribution solution
• Package: QFN-32
• Essence: Provides precise clock signals for various electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

• Frequency Range: 1 Hz to 2.2 GHz
• Output Format: LVPECL, LVDS, HCSL, or CMOS
• Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

1. VDD (Power Supply)
2. GND (Ground)
3. REF_IN (Reference Input)
4. XTAL_IN (Crystal Input)
5. XTAL_OUT (Crystal Output)
6. CLK_OUT0 (Clock Output 0)
7. CLK_OUT1 (Clock Output 1)
8. CLK_OUT2 (Clock Output 2)
9. CLK_OUT3 (Clock Output 3)
10. ...

Functional Characteristics

• Low phase noise and jitter
• Flexible output formats
• Programmable frequency divider
• Spread Spectrum Clocking (SSC) support
• Automatic Hitless Switching (AHS) for redundant clock sources

Advantages and Disadvantages

Advantages: - High-performance clock generation - Low jitter for improved signal integrity - Wide frequency range - Multiple output formats for compatibility - Support for advanced clocking features

Disadvantages: - Relatively high power consumption - Limited availability of alternative models

Applicable Range of Products

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

Working Principles

The SI5381A-C04991-GMR utilizes a combination of phase-locked loop (PLL) and frequency synthesis techniques to generate precise clock signals. It takes an external reference input and uses it to generate a stable and accurate output clock with low jitter.

Detailed Application Field Plans

1. Telecommunications: Provides clock synchronization for base stations and network switches.
2. Networking: Ensures accurate timing for routers, switches, and network interface cards.
3. Data Storage: Enables precise timing for hard disk drives and solid-state drives.
4. Test and Measurement: Provides accurate clock signals for oscilloscopes and signal generators.
5. Industrial Automation: Synchronizes timing in control systems and PLCs.

Detailed Alternative Models

• SI5380A-C04991-GMR
• SI5382B-C04991-GMR
• SI5383C-C04991-GMR
• SI5384D-C04991-GMR
• SI5385E-C04991-GMR

5 Common Technical Questions and Answers

1. Q: What is the maximum frequency range supported by SI5381A-C04991-GMR? A: The SI5381A-C04991-GMR supports a frequency range from 1 Hz to 2.2 GHz.

2. Q: Can I use this IC in industrial temperature environments? A: Yes, the SI5381A-C04991-GMR is designed to operate in a temperature range of -40°C to +85°C.

3. Q: What are the available output formats? A: The SI5381A-C04991-GMR supports LVPECL, LVDS, HCSL, and CMOS output formats.

4. Q: Does this IC support Spread Spectrum Clocking (SSC)? A: Yes, the SI5381A-C04991-GMR has built-in support for Spread Spectrum Clocking.

5. Q: Can I use multiple SI5381A-C04991-GMR ICs in parallel for redundancy? A: Yes, the SI5381A-C04991-GMR supports Automatic Hitless Switching (AHS) for redundant clock sources.

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