SIT8945
- Brand： SITIME
- Size/Package： 4P SMD Customized
- Parameter： 115-137MHz
- Supply Voltage： 1.8,2.5-3.3V
- Output： LVCMOS
- Freq Tolerance： ±20,±25,±30,±50ppm
- Operating Temp： -55~+125℃
- Applications： Airborne Communications
- Parameters
- Brand： SITIME
- Size/Package： 4P SMD Customized
- Parameter： 115-137MHz
- Supply Voltage： 1.8,2.5-3.3V
- Output： LVCMOS
- Freq Tolerance： ±20,±25,±30,±50ppm
- Operating Temp： -55~+125℃
- Applications： Airborne Communications
The Endura™ SiT8945 is the most reliable and the highest quality oscillator for high-reliability aerospace and defense applications. This device delivers the perfect combination of high frequency range (up to 137 MHz), excellent stability (±20 ppm), and wide temperature range (-55 to 125°C) in the smallest 2.0 x 1.6 mm package that is not readily available from quartz suppliers. Engineered for harsh environments, this oscillator features ultra-low 0.1 ppb/g acceleration sensitivity, 10,000g shock, and 70g vibration resistance.
The MEMS-based Endura SiT8945 is 100% screened through the SiTime Endura™ process flow to provide high reliability.
| Frequency | 115 to 137 MHz |
| Frequency Stability (ppm) | ±20, ±25, ±30, ±50 |
| Operating Temperature Range (°C) | -40 to +105, -40 to +125, -55 to +125 |
| Package Type (mm²) | 2.0x1.6, 2.5x2.0, 3.2x2.5, 5.0x3.2, 7.0x5.0 |
| Oscillator Type | XO-SE |
| Phase Jitter (rms) | 1.3 ps |
| FlexEdgeTM Rise/Fall Time | Yes |
| Voltage Supply (V) | 1.8, 2.5 to 3.3 |
| Features | Ultra-low acceleration sensitivity, MIL-STD-55310, MIL-PRF-883, AEC-Q100 |
Unique combination of
- up to 137 MHz
- ±20 ppm frequency stability
- over -55 to +125°C temp
- in 2.0 x 1.6 mm package:
- Best-in-class stability over extreme temperature range, ideal for high-rel applications
Low 0.1 ppb/g low g-sensitivity
- No degradation of performance in harsh environments
70g vibration and 10,000g shock
- Virtually indestructible
Configurable drive strength and rise/fall time
- Optimize EMI to reduce interference to other subsystems
5 industry-standard packages
- 100% drop-in replacement of quartz XO
Ultra-fast lead time (4 to 6 weeks)
- Reduce inventory overhead
- Mitigate shortage risks
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