Product Overview
The Skyworks Si510/511 Crystal Oscillator (XO) is an advanced, IC-based frequency generation solution utilizing DSPLL technology. It offers any frequency output from 100 kHz to 250 MHz using a single fixed crystal, providing enhanced reliability, mechanical robustness, and excellent stability compared to traditional XOs. This solution excels in noisy environments due to its superior supply noise rejection and includes an on-chip LDO regulator for power supply noise filtering. The Si510/511 is factory-configurable for various user specifications, including frequency, supply voltage, output format, and stability, with short lead times and no NRE charges.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Technology: DSPLL
- Certifications: Pb-free, RoHS compliant
- Package Options: 5 x 7 mm, 3.2 x 5 mm, 2.5 x 3.2 mm
- Operation Temperature: 40 to 85 C
Technical Specifications
| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit | Notes |
| Operating Specifications | |||||||
| Supply Voltage | VDD | 3.3 V option | 2.97 | 3.3 | 3.63 | V | |
| 2.5 V option | 2.25 | 2.5 | 2.75 | V | |||
| 1.8 V option | 1.71 | 1.8 | 1.89 | V | |||
| Supply Current | IDD | CMOS, 100 MHz, single-ended | 21 | 26 | mA | ||
| LVDS (output enabled) | 19 | 23 | mA | ||||
| LVPECL (output enabled) | 39 | 43 | mA | ||||
| HCSL (output enabled) | 41 | 44 | mA | ||||
| Tristate (output disabled) | 18 | mA | |||||
| OE "1" Setting | VIH | See Note | 0.80 x VDD | V | Active high option includes internal pull-up. | ||
| OE "0" Setting | VIL | See Note | 0.20 x VDD | V | Active low option includes internal pull-down. | ||
| OE Internal Pull-Up/Pull-Down Resistor | RI | 45 | k | ||||
| Operating Temperature | TA | 40 | 85 | C | |||
| Output Clock Frequency Characteristics | |||||||
| Nominal Frequency | FO | CMOS, Dual CMOS | 0.1 | 212.5 | MHz | ||
| LVDS/LVPECL/HCSL | 0.1 | 250 | MHz | ||||
| Total Stability | Frequency Stability Grade C | 30 | +30 | ppm | Includes initial accuracy, temp, supply, load, shock/vibration, 10-yr aging. | ||
| Frequency Stability Grade B | 50 | +50 | ppm | ||||
| Frequency Stability Grade A | 100 | +100 | ppm | ||||
| Temperature Stability | Frequency Stability Grade C | 20 | +20 | ppm | |||
| Frequency Stability Grade B | 25 | +25 | ppm | ||||
| Frequency Stability Grade A | 50 | +50 | ppm | ||||
| Startup Time | TSU | Minimum VDD until FO within spec | 10 | ms | |||
| Disable Time | TD | FO 10 MHz | 5 | s | |||
| FO < 10 MHz | 40 | s | |||||
| Enable Time | TE | FO 10 MHz | 20 | s | |||
| FO < 10 MHz | 60 | s | |||||
| Output Clock Levels and Symmetry | |||||||
| CMOS Output Logic High | VOH | 0.85 x VDD | V | ||||
| CMOS Output Logic Low | VOL | 0.15 x VDD | V | ||||
| CMOS Output Rise/Fall Time (20 to 80% VDD) | TR/TF | 0.1 to 212.5 MHz, CL = 15 pF | 0.45 | 0.8 | 1.2 | ns | |
| 0.1 to 212.5 MHz, CL = no load | 0.3 | 0.6 | 0.9 | ns | |||
| LVPECL Output Rise/Fall Time (20 to 80% VDD) | TR/TF | 100 | 565 | ps | |||
| HCSL Output Rise/Fall Time (20 to 80% VDD) | TR/TF | 100 | 470 | ps | |||
| LVDS Output Rise/Fall Time (20 to 80% VDD) | TR/TF | 350 | 800 | ps | |||
| LVPECL Output Common Mode | VOC | 50 to VDD 2 V, single-ended | VDD 1.4 V | V | |||
| LVPECL Output Swing | VO | 50 to VDD 2 V, single-ended | 0.55 | 0.8 | 0.90 | VPPSE | |
| LVDS Output Common Mode | VOC | 100 line-line, VDD = 3.3/2.5 V | 1.13 | 1.23 | 1.33 | V | |
| 100 line-line, VDD = 1.8 V | 0.83 | 0.92 | 1.00 | V | |||
| LVDS Output Swing | VO | Single-ended, 100 differential termination | 0.25 | 0.35 | 0.45 | VPPSE | |
| HCSL Output Common Mode | VOC | 50 to ground | 0.35 | 0.38 | 0.42 | V | |
| HCSL Output Swing | VO | Single-ended | 0.58 | 0.73 | 0.85 | VPPSE | |
| Duty Cycle | DC | All formats | 48 | 50 | 52 | % | |
| Output Clock Jitter and Phase Noise (LVPECL) | |||||||
| Period Jitter (RMS) | JPRMS | 10k samples | 1.3 | ps | |||
| Period Jitter (Pk-Pk) | JPPKPK | 10k samples | 11 | ps | |||
| Phase Jitter (RMS) | J | 1.875 MHz to 20 MHz integration bandwidth (brickwall) | 0.31 | 0.5 | ps | ||
| 12 kHz to 20 MHz integration bandwidth (brickwall) | 0.8 | 1.0 | ps | ||||
| Phase Noise, 156.25 MHz | N | 100 Hz | 86 | dBc/Hz | |||
| 1 kHz | 109 | dBc/Hz | |||||
| 10 kHz | 116 | dBc/Hz | |||||
| 100 kHz | 123 | dBc/Hz | |||||
| 1 MHz | 136 | dBc/Hz | |||||
| Additive RMS Jitter Due to External Power Supply Noise | JPSR | 10 kHz sinusoidal noise | 3.0 | ps | |||
| 100 kHz sinusoidal noise | 0.5 | ps | |||||
2411041604_SKYWORKS-510QBB-CAAG_C7187229.pdf
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