Overview
The SI53307-B-GMR from Skyworks Solutions Inc. is a member of the Si5330x family of Universal/Any-format fanout buffers. These devices are designed for clock distribution and redundant clocking applications, offering ultra-low additive jitter and a wide range of input and output formats. The SI53307-B-GMR is particularly suited for systems requiring high precision and reliability in clock signal distribution.
Key Specifications
| Specification | Details |
|---|---|
| Package | VQFN-16-EP (3x3) |
| Temperature Range | –40 to +85 °C |
| Input Formats | LVPECL, Low-power LVPECL, LVDS, CML, HCSL, LVCMOS |
| Output Formats | Pin-selectable output clock signal format |
| Frequency Range | 1 MHz to 725 MHz |
| Additive Jitter | Typical 50 fs rms |
| Number of Outputs | Up to 10 (depending on configuration) |
| Power Supply Rejection Ratio (PSRR) | High PSRR due to built-in LDOs |
| RoHS Compliance | Yes, Pb-free |
Key Features
- Ultra-low additive jitter: 50 fs rms
- Built-in LDOs for high PSRR performance
- Any-format inputs (LVPECL, Low-power LVPECL, LVDS, CML, HCSL, LVCMOS)
- Pin-selectable output clock signal format and divider selection
- Wide frequency range from 1 MHz to 725 MHz
- Independent (synchronous) output enable
- Glitchless switching
- Loss of signal (LOS) monitors for input clocks
- Output clock division: /1, /2, /4
- Dual Bank option and 2:1 Input Mux operation
Applications
The SI53307-B-GMR is ideal for various applications requiring precise clock distribution and low jitter, such as:
- Telecommunication systems
- Data centers and cloud infrastructure
- High-speed networking equipment
- Medical imaging and diagnostic equipment
- Aerospace and defense systems
Q & A
- What is the primary function of the SI53307-B-GMR?
The primary function is to act as a universal fanout buffer for clock distribution and redundant clocking applications. - What are the supported input formats for the SI53307-B-GMR?
The device supports LVPECL, Low-power LVPECL, LVDS, CML, HCSL, and LVCMOS input formats. - What is the typical additive jitter of the SI53307-B-GMR?
The typical additive jitter is 50 fs rms. - What is the temperature range for the SI53307-B-GMR?
The temperature range is –40 to +85 °C. - Does the SI53307-B-GMR have built-in LDOs?
Yes, it has built-in LDOs for high PSRR performance. - What are the output clock division options available?
The output clock division options are /1, /2, /4. - Is the SI53307-B-GMR RoHS compliant?
Yes, it is RoHS compliant and Pb-free. - What is the minimum input clock frequency required for synchronous features?
The minimum input clock frequency required is 1 MHz. - Can the SI53307-B-GMR be used in noisy environments?
Yes, it is designed to perform well in noisy environments due to its high PSRR performance. - What are some common applications for the SI53307-B-GMR?
Common applications include telecommunication systems, data centers, high-speed networking equipment, medical imaging, and aerospace and defense systems.
