SIT5359
- Brand： SITIME
- Size/Package： 5.0 x 3.2 x 0.9 mm
- Parameter： 60-220MHz
- Supply Voltage： 2.5, 2.8, 3.0, 3.3V
- Output： LVCMOS
- Freq Tolerance： ±0.05ppm
- Operating Temp： -40℃~+105℃
- Package： 10P 5032
- Applications： SONET/SDH Stratum 3
- 產品參數
- Brand： SITIME
- Size/Package： 5.0 x 3.2 x 0.9 mm
- Parameter： 60-220MHz
- Supply Voltage： 2.5, 2.8, 3.0, 3.3V
- Output： LVCMOS
- Freq Tolerance： ±0.05ppm
- Operating Temp： -40℃~+105℃
- Package： 10P 5032
- Applications： SONET/SDH Stratum 3
The SiT5359 is a ±50 ppb high-frequency MEMS Precision Super-TCXO. This device is engineered for best dynamic performance. It is fully compliant to the GR-1244 Stratum 3 oscillator specifications. By leveraging SiTime’s unique DualMEMS™ and TurboCompensation™ temperature sensing technology, the SiT5359 delivers the most stable timing in the presence of environmental stressors – airflow, temperature perturbation, vibration, shock, and electromagnetic interference (EMI).
SiT5359 can be factory-programmed to any combination of frequency, voltage, and pull range. This programmability enables designers to optimize the clock configuration while eliminating the long lead time and customization costs associated with quartz TCXOs where each frequency is custom built.
Specifications
| Frequency | 60 to 220 MHz |
| Frequency Stability (ppm) | ±0.05 (±50 ppb) |
| Operating Temperature Range (°C) | 0 to +70, -20 to +70, -40 to +85, -40 to +105 |
| Package Type (mm²) | 5.0 x 3.2 10-pin |
| Oscillator Type | TCXO-SE |
| Phase Jitter (rms) | 0.31 ps |
| Pull Range (ppm) | ±6.25, ±10, ±12.5, ±25, ±50, ±80, ±100, ±125, ±150, ±200, ±400, ±600, ±800, ±1600, ±3200 |
| Voltage Supply (V) | 2.5, 2.8, 3.0, 3.3 |
| Features | Precision TCXO |
Features
Up to 220 MHz output frequency
- Eliminates need for frequency multipliers
Exceptional dynamic stability under airflow, fast temp. ramp
- ±50 ppb over-temp. stability from -40°C to 105°C
- 1.5e-11 ADEV at 10 second average time
- ±1 ppb/°C frequency slope (dF/dT), 10 °C/min. ramp
- Ensures system level quality of service for telecom and networking equipment in hostile environments
20x better phase noise under vibration
- Minimizes call and/or link drops in high-vibration environments
No activity dips or microjumps
- Eliminates any need for costly screening or burn-in tests
0.2 ps/mV power supply noise rejection (PSNR)
- Reduces BOM by eliminating a dedicated LDO for TCXO
LVCMOS or Clipped sinewave output
- Optimizes for best balance between EMI and jitter
Rich programmable features
- Any frequency between 60 to 189 MHz and 208 to 220 MHz
- 2.25 to 3.63 V
- Large pull range from ±6.25 to ±3200 ppm:
- Customize TCXO specifications for optimal system performance
Digital frequency tuning through I2C
- Eliminate frequency shift caused by board noise
Superior reliability
- 2 billion hours MTBF
- Lifetime Warranty: Reduces repair costs and field failures due to clock components
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