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Specifications
Frequency Stability:
±7ppm
Output Type:
LVDS
Voltage - Supply:
3.3V
Frequency:
810MHz
Operating Temperature:
-40℃~+85℃
Mfr. Part #:
591BD-DDG
Package:
SMD7050-6P
Key Attributes
Model Number:
591BD-DDG
Product Description
Product Overview
The Skyworks Si590/591 is a 1 ps MAX JITTER CRYSTAL OSCILLATOR (XO) that utilizes advanced DSPLL circuitry to provide a low jitter clock at high frequencies, supporting any frequency from 10 to 810 MHz. Unlike traditional XOs, it uses a single fixed crystal for a wide range of output frequencies, offering exceptional frequency stability and reliability. Its IC-based approach and DSPLL clock synthesis provide superior supply noise rejection, making it ideal for noisy communication system environments. The Si590/591 is factory configurable for frequency, supply voltage, output format, and stability, eliminating long lead times for custom oscillators.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Certifications: Pb-free/RoHS-compliant
- Operating Temperature Range: 40 to +85 C
Technical Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Units | 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. | ||
| 1.8 V option | 1.71 | 1.8 | 1.89 | V | Selectable parameter specified by part number. | ||
| Frequency Stability | Total Stability | second option code D | 20 | ppm | Includes initial accuracy, temperature, shock, vibration, power supply and load drift, and 10 years aging at 40 C. | ||
| second option code C | 30 | ppm | Includes initial accuracy, temperature, shock, vibration, power supply and load drift, and 10 years aging at 40 C. | ||||
| second option code B | 50 | ppm | Includes initial accuracy, temperature, shock, vibration, power supply and load drift, and 15 years aging at 70 C. | ||||
| second option code A | 100 | ppm | Includes initial accuracy, temperature, shock, vibration, power supply and load drift, and 15 years aging at 70 C. | ||||
| Temperature Stability | second option code D | 7 | ppm | ||||
| second option code C | 20 | ppm | |||||
| second option code B | 25 | ppm | |||||
| second option code A | 50 | ppm | |||||
| Powerup Time | tOSC | 10 | ms | Time from powerup or tristate mode to fO. | |||
| Output Levels (LVPECL) | VO mid-level | 50 to VDD 2.0 V | VDD 1.42 | VDD 1.25 | V | ||
| VOD swing (diff) | 1.1 | 1.9 | VPP | ||||
| VSE swing (single-ended) | 0.55 | 0.95 | VPP | ||||
| Output Levels (LVDS) | VO mid-level | Rterm = 100 (differential) | 1.125 | 1.20 | 1.275 | V | |
| VOD swing (diff) | Rterm = 100 (differential) | 0.5 | 0.7 | 0.9 | VPP | ||
| Output Levels (CML) | VOD swing (diff) | Rterm = 100 (differential), 2.5/3.3 V option | 1.10 | 1.50 | 1.90 | VPP | |
| VOD swing (diff) | Rterm = 100 (differential), 1.8 V option | 0.35 | 0.425 | 0.50 | VPP | ||
| Output Levels (CMOS) | VOH | CL = 15 pF | 0.8 x VDD | VDD | V | Sinking or sourcing 12 mA for VDD = 3.3 V, 6 mA for VDD = 2.5 V, 3 mA for VDD = 1.8 V. | |
| VOL | CL = 15 pF | 0.4 | V | Sinking or sourcing 12 mA for VDD = 3.3 V, 6 mA for VDD = 2.5 V, 3 mA for VDD = 1.8 V. | |||
| Rise/Fall time | tR, tF | LVPECL/LVDS/CML | 350 | ps | |||
| Rise/Fall time | tR, tF | CMOS with CL = 15 pF | 1 | 2 | ns | ||
| Symmetry (duty cycle) | SYM | 45 | 55 | % | LVPECL: VDD 1.3 V (diff), LVDS: 1.25 V (diff), CMOS: VDD/2 | ||
| Phase Jitter (RMS) | J | 50 MHz < FOUT < 810 MHz (LVPECL/LVDS/CML), 12 kHz to 20 MHz | 0.5 | 1.0 | ps | Refer to AN256 for further information. | |
| 50 MHz < FOUT < 160 MHz (CMOS), 12 kHz to 20 MHz | 0.6 | 1.0 | ps | Single-ended CMOS output phase jitter measured using 33 series termination into 50 phase noise test equipment. 3.3 V supply voltage option only. | |||
| Period Jitter (RMS) | JPER | Any output mode, N = 1000 cycles | 3 | ps | Refer to AN279 for further information. | ||
| Period Jitter (Peak-to-Peak) | Any output mode, N = 1000 cycles | 35 | Refer to AN279 for further information. | ||||
| Thermal Resistance Junction to Ambient | JA | 5x7mm, Still Air | 84.6 | C/W | Typical values TA = 25 C, VDD = 3.3 V | ||
| Thermal Resistance Junction to Case | JC | 5x7mm, Still Air | 38.8 | C/W | Typical values TA = 25 C, VDD = 3.3 V | ||
| Thermal Resistance Junction to Ambient | JA | 3.2x5mm, Still Air | 31.1 | C/W | Typical values TA = 25 C, VDD = 3.3 V | ||
| Thermal Resistance Junction to Case | JC | 3.2x5mm, Still Air | 13.3 | C/W | Typical values TA = 25 C, VDD = 3.3 V |
2411041628_SKYWORKS-591BD-DDG_C7188559.pdf
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