Product Overview
The Skyworks Solutions Si535/536 Ultra Low Jitter Crystal Oscillator (XO) leverages advanced DSPLL circuitry to deliver ultra-low jitter clocks at high-speed differential frequencies. Unlike traditional XOs requiring multiple crystals for different frequencies, the Si535/536 utilizes a single fixed crystal, enabling a wide output frequency range with exceptional stability and reliability. Its IC-based design and DSPLL clock synthesis offer superior supply noise rejection, simplifying clock generation in noisy communication environments. Factory programmed at shipment, this device eliminates long lead times associated with custom oscillators. It is ideal for demanding applications such as 10/40/100G data centers, 10G Ethernet switches/routers, Fibre Channel/SAS/storage, enterprise servers, networking, and telecommunications.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Technology: DSPLL circuitry
- Package: Industry-standard 5 x 7 mm
- Compliance: Pb-free/RoHS-compliant
- Certifications: Meets MIL-STD-883 qualification test requirements for Mechanical Shock, Mechanical Vibration, Solderability, Gross & Fine Leak, Resistance to Solder Heat.
- Contact Pads: Gold over Nickel
Technical Specifications
| Feature | Specification | Details |
|---|---|---|
| Models | Si535, Si536 | Ultra Low Jitter Crystal Oscillator (XO) |
| Output Frequencies | 100 MHz to 312.5 MHz | Factory programmed, selectable |
| Frequency Stability | 3rd generation DSPLL | Superior jitter performance and high-power supply noise rejection; 3x better than SAW-based oscillators. |
| Output Options | LVPECL and LVDS | Available |
| Supply Voltage (VDD) | 3.3 V option 2.5 V option | 2.97 V to 3.63 V 2.25 V to 2.75 V |
| Supply Current (IDD) | LVPECL / LVDS (Output enabled) | 111-121 mA (LVPECL), 90-98 mA (LVDS) |
| Supply Current (IDD) | Tristate mode | 60-75 mA |
| Output Enable (OE) | VIH: 0.75 x VDD VIL: - 17 k pullup resistor to VDD | Input voltage levels for enabling/disabling output. |
| Operating Temperature Range | TA | 40 C to 85 C |
| Initial Accuracy | fi (Measured at +25 C) | 1.5 ppm |
| Temperature Stability | Selectable by part number | 7 ppm or 20 ppm |
| Aging | Frequency drift over first year Frequency drift over 20 year life | 3 ppm (max) 10 ppm (max) |
| Total Stability | Temp stability = 20 ppm Temp stability = 7 ppm | 31.5 ppm (max) 20 ppm (max) |
| Powerup Time | tOSC (TA = 40C to +85C) | 10 ms (max) |
| Phase Jitter (RMS) | 10 kHz to 1 MHz (data center) 12 kHz to 20 MHz brickwall | 0.19 - 0.35 ps (typ) 0.25 - 0.40 ps (typ) |
| Period Jitter (RMS) | N = 1000 cycles | 2 ps (typ) |
| Period Jitter (Peak-to-Peak) | N = 1000 cycles | 14 ps (typ) |
| Package Dimensions | 5 x 7 mm (Nominal dimensions: A: 1.65, b: 1.40, c: 0.60, D: BSC, D1: 4.40, e: BSC, E: BSC, E1: 6.20, H: 0.65, L: 1.27, p: 1.80-2.60, R: 0.70 REF) | |
| Absolute Maximum Ratings | Maximum Operating Temperature (TAMAX) Supply Voltage (VDD) Input Voltage (VI) Storage Temperature (TS) ESD Sensitivity (HBM) Soldering Temperature (TPEAK, Pb-free) Soldering Time @ TPEAK (tP, Pb-free) | 85 C 0.5 to +3.8 V 0.5 to VDD + 0.3 V 55 to +125 C 2500 V 260 C 2040 seconds |
2411272144_SKYWORKS-535EB312M500DGR_C17538306.pdf
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