SI5338C-B04948-GM

Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Multiplier
• Characteristics: High-performance, low-jitter, programmable clock generator
• Package: 48-pin QFN (Quad Flat No-Lead)
• Essence: Provides multiple clock outputs with precise frequency and phase control
• Packaging/Quantity: Tape and Reel, 250 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, SSTL, HSTL
• Programmable Features: Output frequency, phase, and amplitude control
• Power Supply Noise Rejection: >50dB at 1kHz to 100MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

For a detailed and complete pin configuration diagram, please refer to the datasheet.

Functional Characteristics

• Flexible clock synthesis and distribution
• Low jitter and phase noise performance
• On-chip voltage-controlled crystal oscillator (VCXO)
• Programmable output formats and levels
• Integrated EEPROM for storing configuration settings
• I2C interface for easy programming and control

Advantages

• High precision and stability in clock generation
• Wide range of output frequencies and formats
• Easy configuration and control through I2C interface
• Low power consumption
• Compact and robust package design

Disadvantages

• Relatively high cost compared to simpler clock generators
• Requires external crystal or reference clock source

Applicable Range of Products

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

Working Principles

The SI5338C-B04948-GM utilizes a combination of phase-locked loop (PLL) and voltage-controlled oscillator (VCO) techniques to generate precise clock signals. It takes an external reference clock or crystal input and uses internal dividers, multipliers, and phase control circuits to synthesize multiple output clocks with programmable frequencies and formats.

Detailed Application Field Plans

1. Telecommunications: Provides synchronized clock signals for network switches, routers, and base stations.
2. Data Centers: Enables precise timing for server clusters, storage systems, and high-speed interconnects.
3. Industrial Automation: Synchronizes control systems, PLCs, and motion controllers in manufacturing environments.
4. Test and Measurement: Generates accurate clock references for oscilloscopes, signal generators, and spectrum analyzers.
5. Networking: Supports Ethernet switches, routers, and optical transceivers with synchronized clock signals.

Detailed Alternative Models

• SI5332A-B-GM: Similar clock generator with fewer outputs and lower frequency range.
• SI5341B-B-GM: Clock generator with higher frequency range and additional features like jitter attenuation.

5 Common Technical Questions and Answers

1. Q: Can I program the SI5338C-B04948-GM using any microcontroller? A: Yes, the IC can be easily programmed using an I2C interface, compatible with most microcontrollers.

2. Q: What is the typical phase noise performance of this clock generator? A: The phase noise varies depending on the output frequency and format, but it is generally very low.

3. Q: Can I use this clock generator without an external crystal or reference clock? A: No, the SI5338C-B04948-GM requires an external clock source for operation.

4. Q: How many clock outputs can I configure with this IC? A: The SI5338C-B04948-GM provides up to 12 programmable clock outputs.

5. Q: Is the configuration stored in non-volatile memory? A: Yes, the IC has an integrated EEPROM that stores the configuration settings even when powered off.

This encyclopedia entry provides an overview of the SI5338C-B04948-GM clock generator, including its basic information, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, detailed application field plans, alternative models, and common technical questions and answers.