Overview
The SI5326B-C-GMR, produced by Skyworks Solutions Inc., is a jitter-attenuating precision clock multiplier designed for applications requiring sub 1 ps jitter performance. This device is part of Skyworks' 3rd-generation DSPLL® technology, offering high precision and flexibility in clock generation. The SI5326 accepts two input clocks ranging from 2 kHz to 710 MHz and generates two output clocks ranging from 2 kHz to 945 MHz, with select frequencies up to 1.4 GHz. It can also utilize its crystal oscillator as a clock source for frequency synthesis, providing virtually any frequency translation combination within its operating range.
Key Specifications
| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit | Notes |
|---|---|---|---|---|---|---|---|
| DC Supply Voltage | VDD | -0.5 | 3.8 | V | |||
| LVCMOS Input Voltage | VDIG | -0.3 VDD+0.3 | V | ||||
| CKINn Voltage Level Limits | CKNVIN | 0 | VDD | V | |||
| XA/XB Voltage Level Limits | XAVIN | 0 | 1.2 | V | |||
| Operating Junction Temperature | TJCT | -55 | 150 | °C | |||
| Storage Temperature Range | TSTG | -55 | 150 | °C | |||
| ESD HBM Tolerance (100 pF, 1.5 kΩ); All pins except CKIN+/CKIN– | 2 | kV | |||||
| ESD MM Tolerance; All pins except CKIN+/CKIN– | 150 | V | |||||
| ESD HBM Tolerance (100 pF, 1.5 kΩ); CKIN+/CKIN– | 750 | V |
Key Features
- High Precision Clock Generation: The SI5326 offers sub 1 ps jitter performance, making it suitable for high-precision applications.
- Flexible Input and Output Frequencies: Accepts input clocks from 2 kHz to 710 MHz and generates output clocks from 2 kHz to 945 MHz, with select frequencies up to 1.4 GHz.
- Programmable via I2C or SPI Interface: Allows for the programming of input clock frequency and clock multiplication ratio.
- Crystal Oscillator Capability: Can use its crystal oscillator as a clock source for frequency synthesis.
- Multiple Output Formats: Supports LVPECL, CML, LVDS, and low-swing LVDS output formats.
- Wide Operating Temperature Range: Operates from -40°C to 85°C.
Applications
- Telecommunications: Suitable for high-speed data transmission and reception systems requiring precise clock signals.
- Data Centers and Cloud Infrastructure: Used in server and storage systems to ensure synchronized and precise clocking.
- Networking Equipment: Ideal for routers, switches, and other network devices that require low-jitter clock signals.
- Test and Measurement Equipment: Utilized in high-precision test and measurement instruments.
- Aerospace and Defense: Used in various military and aerospace applications requiring high reliability and precision.
Q & A
- What is the primary function of the SI5326B-C-GMR?
The primary function of the SI5326B-C-GMR is to act as a jitter-attenuating precision clock multiplier, generating high-precision clock signals from input frequencies.
- What is the range of input frequencies accepted by the SI5326B-C-GMR?
The device accepts input clocks ranging from 2 kHz to 710 MHz.
- What is the range of output frequencies generated by the SI5326B-C-GMR?
The device generates output clocks ranging from 2 kHz to 945 MHz, with select frequencies up to 1.4 GHz.
- How can the SI5326B-C-GMR be programmed?
The device can be programmed via an I2C or SPI interface.
- What are the supported output formats of the SI5326B-C-GMR?
The device supports LVPECL, CML, LVDS, and low-swing LVDS output formats.
- What is the operating temperature range of the SI5326B-C-GMR?
The device operates from -40°C to 85°C.
- What are some common applications of the SI5326B-C-GMR?
Common applications include telecommunications, data centers, networking equipment, test and measurement equipment, and aerospace and defense.
- What is the significance of the DSPLL® technology in the SI5326B-C-GMR?
The DSPLL® technology provides high precision and flexibility in clock generation, ensuring sub 1 ps jitter performance.
- How does the SI5326B-C-GMR handle ESD protection?
The device has ESD protection with HBM and MM tolerances specified for different pins.
- What is the package type of the SI5326B-C-GMR?
The device is packaged in a 36-pin QFN (Quad Flat No-Lead) package.
