The ruggedized Endura Epoch SiT7112 OCXO is a MEMS-based device, designed to the solve long-standing problems of quartz OCXOs. Leveraging SiTime’s unique temperature sensing technology and advanced CMOS design, it delivers excellent stability in the presence of environmental stressors such as airflow, temperature perturbation, vibration, shock, and EMI.
This OCXO delivers significant improvements in size, weight, and power (SWaP) with up to 20X smaller size, up to 300X less weight, and up to 2X lower power. SiTime’s silicon manufacturing process ensures the highest quality with shorter lead times for a robust supply chain.
The SiT7112 OCXO comes in a small surface mount package (9.0 mm x 7.0 mm x 3.6 mm) and offers ±3 ppb over-temp stability over -40°C to 95°C, ±0.02 ppb/°C typical frequency slope (ΔF/ΔT), and 5E-12 Allen deviation. The SiT7112 has a frequency pull range of ±400 ppm with fine resolution as low as 0.05 ppt (5E-14).
"Specs" | "Value" |
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Frequency | 60 to 220 MHz |
Frequency Stability (ppm) | ±0.001 (±1 ppb) |
Operating Temperature Range (°C) | -40 to 85, -40 to 95 |
Package Type (mm²) | 9.0 x 7.0 |
Oscillator Type | OCXO |
Voltage Supply (V) | 2.5, 2.8, 3.3 |
Features | ±20 ppt/°C frequency slope, 5E-12 ADEV, 460 mW steady state power consumption |
Availability | Pre-Production Sampling |
Epoch OCXO package 9.0x7.0
Frequency Slope (dF/dT) Calculator – Calculate frequency slope over temperature
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