Overview
The SI5341B-D-GM, produced by Skyworks Solutions Inc., is an ultra-low jitter clock generator that combines a wide-band PLL with proprietary MultiSynth™ fractional synthesizer technology. This device is designed to offer high flexibility and precision in clock generation, making it suitable for a variety of applications requiring accurate and stable clock signals.
Key Specifications
| Parameter | Value |
|---|---|
| Input Frequency Range | External crystal: 25 to 54 MHz, Differential clock: 10 to 750 MHz, LVCMOS clock: 10 to 250 MHz |
| Output Frequency Range | Differential: 100 Hz to 1028 MHz, LVCMOS: 100 Hz to 250 MHz |
| Output Configuration | 10 differential output drivers (Si5341B), configurable as differential or LVCMOS |
| Jitter Performance | Ultra-low jitter of 90 fs rms (0.09 ps phase jitter) |
| Supply Voltage | VDD: 1.8 V ±5%, VDDA: 3.3 V ±5%, Independent output clock supply pins: 3.3 V, 2.5 V, or 1.8 V |
| Interface | Serial interface: I2C or SPI |
| Package | 64-QFN 9x9 mm |
| Temperature Range | –40 to +85 °C |
| Compliance | Pb-free, RoHS-6 compliant |
Key Features
- Ultra-low jitter of 90 fs rms (0.09 ps phase jitter)
- Highly configurable outputs compatible with LVDS, LVPECL, LVCMOS, CML, and HCSL with programmable signal amplitude
- Supports integer and fractional frequency synthesis modes
- Glitchless on-the-fly output frequency changes
- Optional zero delay mode
- In-circuit programmable with non-volatile OTP memory
- ClockBuilder Pro software for simplified device configuration
- Synchronous or asynchronous output disable feature
Applications
The SI5341B-D-GM is suitable for various applications requiring high precision and low jitter clock signals, including:
- Telecommunications and networking equipment
- Data centers and cloud infrastructure
- High-speed data acquisition systems
- Wireless base stations and small cells
- Medical imaging and diagnostic equipment
Q & A
- What is the maximum output frequency of the SI5341B-D-GM?
The maximum output frequency of the SI5341B-D-GM is 350 MHz. - What types of input frequencies does the SI5341B-D-GM support?
The SI5341B-D-GM supports external crystal inputs from 25 to 54 MHz, differential clock inputs from 10 to 750 MHz, and LVCMOS clock inputs from 10 to 250 MHz. - How many output drivers does the SI5341B-D-GM have?
The SI5341B-D-GM has 10 differential output drivers that can be independently configured as differential or LVCMOS. - What is the jitter performance of the SI5341B-D-GM?
The SI5341B-D-GM has an ultra-low jitter of 90 fs rms (0.09 ps phase jitter). - What serial interfaces does the SI5341B-D-GM support?
The SI5341B-D-GM supports I2C or SPI serial interfaces. - Is the SI5341B-D-GM programmable?
Yes, the SI5341B-D-GM is in-circuit programmable with non-volatile OTP memory and can be configured using ClockBuilder Pro software. - What is the temperature range of the SI5341B-D-GM?
The temperature range of the SI5341B-D-GM is –40 to +85 °C. - Is the SI5341B-D-GM RoHS compliant?
Yes, the SI5341B-D-GM is Pb-free and RoHS-6 compliant. - What package type does the SI5341B-D-GM come in?
The SI5341B-D-GM comes in a 64-QFN 9x9 mm package. - Can the output frequency be changed on the fly?
Yes, the SI5341B-D-GM supports glitchless on-the-fly output frequency changes).
