Product Overview
The Skyworks Solutions Si535/536 is an Ultra Low Jitter Crystal Oscillator (XO) that utilizes advanced DSPLL circuitry to deliver high-speed differential clocks with exceptionally low jitter. Unlike traditional XOs, it employs a single fixed crystal to generate a wide range of output frequencies, ensuring superior frequency stability and reliability. Its IC-based design offers excellent supply noise rejection, simplifying clock generation in noisy communication system environments. The Si535/536 is factory programmed, reducing lead times. It is ideal for demanding applications in data centers, 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, 6-pad
- Compliance: Pb-free/RoHS-compliant
- Certifications: Meets MIL-STD-883 qualification test requirements
Technical Specifications
| Parameter | Symbol | Test 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 | ||
| Supply Current | IDD | Output enabled (LVDS) | 90 | 98 | mA | ||
| Supply Current | IDD | Tristate mode | 60 | 75 | mA | ||
| Output Enable (OE) High Input Voltage | VIH | 0.75 x VDD | V | OE pin includes a 17 k pullup resistor to VDD. | |||
| Output Enable (OE) Low Input Voltage | VIL | 0.5 | V | OE pin includes a 17 k pullup resistor to VDD. | |||
| Operating Temperature Range | TA | 40 | 85 | C | |||
| Frequency Stability | Total Stability (Temp Stability + Initial Accuracy + Aging) | 7 ppm | 20 | ppm | Selectable parameter specified by part number. | ||
| 20 ppm | 31.5 | ppm | Selectable parameter specified by part number. | ||||
| 20 ppm | ppm | Selectable parameter specified by part number. | |||||
| Aging (Frequency drift over first year) | fa | 3 | ppm | ||||
| Aging (Frequency drift over 20 year life) | fa | 10 | 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 | N = 1000 cycles | 2 | ps | |||
| Peak-to-Peak | 14 | ps | |||||
| Thermal Resistance Junction to Ambient | JA | Still Air | 84.6 | C/W | Typical values TA = 25 C, VDD = 3.3 V | ||
| Thermal Resistance Junction to Case | JC | Still Air | 38.8 | C/W | Typical values TA = 25 C, VDD = 3.3 V | ||
| Maximum Operating Temperature | TAMAX | 85 | C | ||||
| Storage Temperature | TS | 55 | 125 | C |
2508281722_SILICON-LABS-535EB000172DGR_C2030215.pdf
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