Product Overview
The Skyworks Solutions Si535/536 is an Ultra Low Jitter Crystal Oscillator (XO) utilizing advanced DSPLL circuitry. It provides an ultra-low jitter clock at high-speed differential frequencies, offering superior frequency stability and reliability with a single fixed crystal across a wide range of output frequencies. Its IC-based design ensures exceptional performance in noisy environments common in communication systems, simplifying the generation of low jitter clocks. Factory programmed at shipment, it eliminates long lead times associated with custom oscillators.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Technology: DSPLL circuitry
- Package: Industry-standard 5 x 7 mm, 6-pad
- 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, and Moisture Sensitivity Level J-STD-020, MSL1.
Technical Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit | Notes | |
| Supply Voltage | VDD | 3.3 V option | 2.97 | 3.3 | 3.63 | V | Selectable parameter specified by part number. | |
| 2.5 V option | 2.25 | 2.5 | 2.75 | V | Selectable parameter specified by part number. | |||
| Supply Current | IDD | Output enabled (LVPECL) | 111 | 121 | mA | |||
| Output enabled (LVDS) | 90 | 98 | mA | |||||
| Tristate Mode Supply Current | IDD | 60 | 75 | mA | ||||
| Output Enable (OE) | VIH/VIL | High Input Voltage | 0.75 x VDD | V | OE pin includes a 17 k pullup resistor to VDD. | |||
| Low Input Voltage | 0.5 | V | ||||||
| Operating Temperature Range | TA | 40 | 85 | C | ||||
| Frequency Stability | Temperature Stability ( ppm) | 7 | 20 | +7 | +20 | ppm | Selectable parameter specified by part number. | |
| Aging ( ppm/year) | 3 | ppm | Frequency drift over first year. | |||||
| Aging ( ppm/20 years) | 10 | ppm | Frequency drift over 20 year life. | |||||
| Total Stability | 31.5 | ppm | Temp stability = 20 ppm. | |||||
| Total Stability | 20 | ppm | Temp stability = 7 ppm. | |||||
| Powerup Time | tOSC | TA = 40C to +85C | 10 | ms | Time from powerup or tristate mode to fO. | |||
| Phase Jitter (RMS) | J | 10 kHz to 1 MHz (data center) | 0.19 | 0.35 | ps | Applies to output frequencies: 156.25 MHz. | ||
| 12 kHz to 20 MHz brickwall | 0.25 | 0.40 | ps | Applies to output frequencies: 156.25 MHz. | ||||
| Period Jitter (RMS) | JPER | 2 | ps | N = 1000 cycles. | ||||
| Peak-to-Peak | 14 | ps | N = 1000 cycles. |
2508281722_SILICON-LABS-535AC159M375DGR_C2030226.pdf
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