Skyworks Solutions, Inc. SI5346B-D11450-GM

Overview of Skyworks Solutions, Inc. SI5346B-D11450-GM The SI5346B series from Skyworks Solutions is a high-performance clock generator IC used primarily in communications and networking applications. The part number SI5346B-D11450-GM signifies a specific configuration or variant of the SI5346B clock generator. This integrated circuit provides flexible clock generation capabilities, high precision, and low jitter. Functions 1. Clock Generation: Generates multiple output clock signals from a single input clock source. 2. Frequency Synthesis: Supports frequency synthesis up to a certain range of output frequencies. 3. Low Jitter: Provides very low phase noise and jitter characteristics suitable for sensitive applications. 4. Programmability: Offers programmable output frequencies and settings through SPI interfaces. 5. Flexible Output Options: Can produce different output formats (like LVCMOS, LVPECL) which can be configured as per application requirements. Applications 1. Telecommunications: Used in base stations, routers, and other telecom devices. 2. Networking Equipment: Suitable for switches and network servers that require precise clock signals. 3. Broadcast Equipment: Used in video and audio broadcasting systems where accurate timing is critical. 4. Test & Measurement Instruments: Provides stable and accurate clocking for testing equipment. 5. Industrial Automation: Employed in systems that need to synchronize operations with high precision. Alternative Components 1. Si5351: A programmable clock generator suitable for low-frequency applications; offers fewer outputs and a different range of frequencies. 2. MAX 5969: Another clock generator or frequency synthesizer with a similar high-performance specification. 3. LMX2571: A low-noise, wideband RF synthesizer suited for applications needing RF clock generation. 4. AD9553: A clock generator with high precision targeting wireless communications. 5. CDCE62005: A high-performance clock distribution IC ideal for high-speed digital applications. Embedded Modules These are typically not standalone modules but are often integrated into modules or boards where specific applications require high precision timing. Common modules may include: 1. Clock Distribution Boards: Modules that may embed the SI5346B as a reference clock generator. 2. FPGA Development Boards: Often contain clock generator ICs like SI5346B for FPGA designs that require precise timing. 3. Communication System Boards: Boards that use the SI5346B for timing critical operations within communication systems. Related Q&A Q1: What is the maximum output frequency of the SI5346B? - A1: The maximum output frequency of the SI5346B is generally in the range of several hundred MHz, and it supports multiple output frequencies depending on the configuration. Q2: How does the SI5346B minimize jitter? - A2: The IC employs advanced design techniques and technologies that reduce phase noise and jitter, ensuring high stability and accuracy of the output clocks. Q3: Can the output frequencies be changed dynamically? - A3: Yes, the output frequencies can be dynamically changed through a serial programming interface (SPI), allowing on-the-fly adjustments based on application needs. Q4: What is the significance of the "-D11450-GM" in the part number? - A4: The "-D11450-GM" suffix typically indicates specific features such as the package type, operating temperature range, and different configurations or performance benchmarks defined by the manufacturer. Q5: Is the SI5346B suitable for low-power applications? - A5: The SI5346B is designed for high-performance applications; however, it also offers low-power modes, making it suitable for applications where energy efficiency is a consideration.