SI5347A-B-GM

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SI5347A-B-GM

+Nomenclature

IC CLK BUFFER PLL 64QFN

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Spécifications

Attribut Valeur
Part Status Obsolete
PLL Yes
Input LVCMOS, LVDS, LVPECL, Crystal
Output CML, HCSL, LVCMOS, LVDS, LVPECL
Number of Circuits 1
Ratio - Input: Output 5:8
Differential - Input: Output Yes/Yes
Frequency - Max 712.5MHz
Divider / Multiplier Yes/No
Voltage - Supply 1.71V ~ 3.47V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 64-VFQFN Exposed Pad
Supplier Device Package 64-QFN (9x9)
Base Product Number SI5347
Digi Key Programmable Not Verified

Présentation

Description

The SI5347A-B-GM refers to a specific model within the Silicon Labs SI5347 family of clock generators and jitter attenuators. These devices are designed to provide precise timing solutions for various applications, including communications, data centers, and industrial systems. The SI5347A-B-GM, like other models in the series, combines flexibility and high performance, featuring ultra-low jitter, multi-output frequency synthesis, and support for multiple input clock sources.
Key features include:
1. Multi-Output Capability: Supports multiple clock outputs with independently configurable frequencies, allowing for versatile deployment across different systems.

2. Ultra-Low Jitter: Provides clean clock signals essential for high-speed data transfer and reliable system operation, with jitter performance often below 100 femtoseconds.
3. Flexible Input Options: Accepts multiple input frequencies and formats, including LVPECL, LVDS, and CML, enhancing compatibility with various system requirements.
4. Programmable: The device can be programmed to suit specific application needs, offering a high degree of customization.
Overall, the SI5347A-B-GM is a robust solution for advanced timing and synchronization needs in demanding technological environments.

Equivalent

The SI5347A-B-GM is a clock generator and jitter attenuator by Silicon Labs. Equivalent products include:
1. TI LMK04832: A high-performance clock conditioner with dual PLLs.
2. ADI AD9545: A multi-output clock generator with jitter cleaning.
3. Renesas 8A34001: Offers similar low-jitter clock generation features.
Ensure compatibility based on your specific application needs, such as output frequency, jitter tolerance, and power requirements.

Features

The SI5347A-B-GM is a highly versatile clock generator and jitter attenuator from Silicon Labs, designed for high-performance applications. Key features include:
1. Multi-PLL Architecture: It features multi-PLL with a flexible clock tree structure, allowing for the generation of up to 10 clock outputs.
2. Ultra-Low Jitter: Provides ultra-low jitter performance, typically around 80 fs RMS, making it suitable for sensitive applications like data centers, telecommunications, and networking equipment.
3. Frequency Flexibility: Supports a wide range of input and output frequencies, with individually configurable outputs, catering to diverse system requirements.
4. Input Clock Sources: Can accept multiple input clock sources, including crystal, TCXO, or reference clock, enhancing design flexibility.
5. Integrated Balun: Includes an integrated balun for differential outputs, simplifying design and reducing external component count.
6. User-Friendly Programming: Equipped with a user-friendly programming interface via I2C/SPI, enabling easy configuration and reprogramming.
7. Power Efficiency: Optimized for low power consumption, with various power supply options to suit different design constraints.
These features make the SI5347A-B-GM a robust solution for precise timing and synchronization in complex electronic systems.

Pinout

The SI5347A-B-GM is a clock generator and jitter attenuator from Silicon Labs. It is part of the Si534x family of clock devices designed for high-performance timing solutions. The SI5347A-B-GM specifically comes in a 7 mm x 7 mm 44-QFN package, which means it has 44 pins.
Key functions of the SI5347A-B-GM include:
1. Multi-PLL Architecture: It uses multiple phase-locked loops (PLLs) to provide flexible frequency generation and jitter attenuation capabilities.

2. Clock Generation: Capable of generating multiple output clock frequencies from a variety of input sources.
3. Jitter Attenuation: It reduces phase noise and jitter, making it suitable for applications that require precise timing.
4. Input/Output Flexibility: The device supports diverse input clock frequencies and provides multiple output formats, including LVDS, LVPECL, and HCSL.
5. Configuration: It can be programmed via an I2C/SPI interface, allowing for customization of output frequencies and other parameters.
This combination of features makes the SI5347A-B-GM suitable for complex applications in telecommunications, data centers, and other environments requiring robust timing solutions.

Manufacturer

The SI5347A-B-GM is manufactured by Skyworks Solutions, Inc., a company that specializes in semiconductor products. Skyworks Solutions is a leading innovator in analog semiconductors, offering a diverse range of products for wireless communications. The company designs and manufactures semiconductors for use in radio frequency (RF) and mobile communications systems, as well as for infrastructure, automotive, and other applications. Skyworks aims to enable the connectivity revolution, providing advanced technologies and solutions that facilitate seamless wireless communications.

Application

The SI5347A-B-GM is a jitter attenuator and clock multiplier chip designed for high-performance applications. Key application areas include telecommunications, data centers, networking equipment, and broadcast video systems. It is used in systems requiring precise timing and synchronization, such as synchronous Ethernet, OTN, and SONET/SDH networks. The chip's high level of integration and wide frequency range also make it suitable for wireless infrastructure, including 5G base stations, and other applications requiring low phase noise and low jitter clock generation.

Package

The SI5347A-B-GM is a clock generator IC from Silicon Labs, typically available in a 64-pin QFN (Quad Flat No-leads) package. This package type is compact and suitable for applications requiring precise timing and synchronization, offering a balance between performance and space-saving on the circuit board.

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