Skyworks Solutions Si540 Ultra Series Crystal Oscillator
Product Overview
The Skyworks Solutions Si540 Ultra Series Crystal Oscillator is an Any-Frequency XO featuring advanced 4th generation DSPLL technology, delivering ultra-low jitter and low phase noise clocking capabilities. It is factory-programmed to any frequency between 0.2 MHz and 1500 MHz with <1 ppb resolution, maintaining exceptional jitter performance across its operating range for both integer and fractional frequencies. The Si540 offers high reliability, frequency stability, and guaranteed aging performance. Its on-chip power supply filtering provides superior power supply noise rejection, simplifying integration into noisy systems. Available in industry-standard footprints, the Si540 utilizes a single crystal and a DSPLL IC-based approach, simplifying the supply chain and enabling custom frequency samples within 1-2 weeks of order. The device is factory-configurable for various user specifications including frequency, output format, and OE pin configuration, ensuring 100% electrical testing of every unit.
Product Attributes
- Brand: Skyworks Solutions
- Series: Ultra Series
- Technology: 4th Generation DSPLL
- Custom Frequency Samples: 1-2 Weeks Lead Time
- Electrical Testing: 100%
Key Features
- Available with any frequency from 0.2 MHz to 1500 MHz
- Ultra-low jitter: 125 fs Typ RMS (12 kHz 20 MHz)
- Excellent PSNR and supply noise immunity: 80 dBc Typ
- 7 ppm stability option (-40 to 85C)
- Supports 3.3 V, 2.5 V, and 1.8 V VDD supply operation from the same part number
- Output Options: LVPECL, LVDS, CML, HCSL, CMOS, and Dual CMOS
- Package Options: 2.53.2 mm, 3.25 mm, 5x7 mm
Applications
- 100G/200G/400G OTN, coherent optics
- 10G/40G/100G optical ethernet
- 3G-SDI/12G-SDI/24G-SDI broadcast video
- Servers, switches, storage, NICs, search acceleration
- Test and measurement
- Clock and data recovery
- FPGA/ASIC clocking
Technical Specifications
| Parameter | Symbol | Condition/Comment | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Temperature Range | TA | 40 | 85 | C | ||
| Frequency Range (LVPECL, LVDS, CML) | FCLK | 0.2 | 1500 | MHz | ||
| Frequency Range (HCSL) | FCLK | 0.2 | 400 | MHz | ||
| Frequency Range (CMOS, Dual CMOS) | FCLK | 0.2 | 250 | MHz | ||
| Supply Voltage (3.3 V) | VDD | 3.135 | 3.3 | 3.465 | V | |
| Supply Voltage (2.5 V) | VDD | 2.375 | 2.5 | 2.625 | V | |
| Supply Voltage (1.8 V) | VDD | 1.71 | 1.8 | 1.89 | V | |
| Supply Current (LVPECL, enabled) | IDD | 100 | 145 | mA | ||
| Supply Current (LVDS/CML, enabled) | IDD | 75 | 111 | mA | ||
| Supply Current (HCSL, enabled) | IDD | 80 | 125 | mA | ||
| Supply Current (HCSL-Fast, enabled) | IDD | 88 | 137 | mA | ||
| Supply Current (CMOS, enabled) | IDD | 74 | 108 | mA | ||
| Supply Current (Dual CMOS, enabled) | IDD | 80 | 125 | mA | ||
| Supply Current (Tristate, disabled) | IDD | 64 | 100 | mA | ||
| Temperature Stability (Grade A) | 20 | 20 | ppm | |||
| Temperature Stability (Grade B) | 10 | 10 | ppm | |||
| Temperature Stability (Grade C) | 7 | 7 | ppm | |||
| Total Stability (Grade A) | FSTAB | 50 | 50 | ppm | ||
| Total Stability (Grade B) | FSTAB | 25 | 25 | ppm | ||
| Total Stability (Grade C) | FSTAB | 20 | 20 | ppm | ||
| Rise/Fall Time (LVPECL/LVDS/CML) | TR/TF | 350 | ps | |||
| Rise/Fall Time (CMOS / Dual CMOS, CL = 5 pF) | TR/TF | 0.5 | 1.5 | ns | ||
| Rise/Fall Time (HCSL, FCLK >50 MHz) | TR/TF | 550 | ps | |||
| Rise/Fall Time (HCSL-Fast, FCLK >50 MHz) | TR/TF | 275 | ps | |||
| Duty Cycle | DC | All formats | 45 | 55 | % | |
| Output Enable VIH | OE | 0.7 VDD | V | |||
| Output Enable VIL | OE | 0.3 VDD | V | |||
| Output Disable Time | TD | FCLK >10 MHz | 3 | s | ||
| Output Enable Time | TE | FCLK >10 MHz | 20 | s | ||
| Powerup Time | tOSC | Time from 0.9 VDD until output frequency (FCLK) within spec | 10 | ms | ||
| VDD Ramp Rate | VRAMP | Fastest VDD ramp rate allowed on startup | 100 | V/ms | ||
| Phase Jitter (RMS, 12kHz - 20MHz) (2.5x3.2, 3.2x5 mm, FCLK 100 MHz, Differential) | J | 125 | 200 | fs | ||
| Phase Jitter (RMS, 12kHz - 20MHz) (2.5x3.2, 3.2x5 mm, FCLK 100 MHz, CMOS, Dual CMOS) | J | 200 | fs | |||
| Phase Jitter (RMS, 12kHz - 20MHz) (5x7 mm, FCLK 100 MHz, Differential) | J | 150 | 200 | fs | ||
| Phase Jitter (RMS, 12kHz - 20MHz) (5x7 mm, FCLK 100 MHz, CMOS, Dual CMOS) | J | 200 | fs | |||
| PSNR (LVDS, 156.25 MHz, 50 mVpp Ripple) | PSNR | 100 kHz sine wave | -83 | dBc | ||
| PSNR (LVDS, 156.25 MHz, 50 mVpp Ripple) | PSNR | 200 kHz sine wave | -83 | dBc | ||
| PSNR (LVDS, 156.25 MHz, 50 mVpp Ripple) | PSNR | 500 kHz sine wave | -82 | dBc | ||
| PSNR (LVDS, 156.25 MHz, 50 mVpp Ripple) | PSNR | 1 MHz sine wave | -85 | dBc | ||
| Package Dimensions | 5x7 mm | |||||
| Package Dimensions | 3.2x5 mm | |||||
| Package Dimensions | 2.5x3.2 mm | |||||
| Maximum Operating Temperature | TAMAX | 95 | C | |||
| Storage Temperature | TS | 55 | 125 | C | ||
| Supply Voltage Max | VDD | 0.5 | 3.8 | V | ||
| Input Voltage Max | VIN | 0.5 | VDD + 0.3 | V | ||
| ESD HBM | JESD22-A114 | 2.0 | kV | |||
| Solder Temperature Peak | TPEAK | 260 | C | |||
| Solder Time at TPEAK | TP | 20 | 40 | sec |
2411061549_SKYWORKS-540CCB100M000BCG_C22248112.pdf
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