SiT5812, a member of SiTime’s Epoch Platform™ MEMS OCXO family, maximizes service continuity with best-in-class time accuracy in real world environments. Designed to solve long-standing problems of quartz OCXOs, the Epoch Platform OCXOs are resilient to thermal shock, airflow, and vibration. SiT5812 simplifies and expedites the design process with 25x less volume and 3x lower power, in addition to leading environmental resilience which eliminates the need for a protective cover. SiTime’s silicon manufacturing process ensures the highest quality with shorter lead times for a robust supply chain.
The SiT5812 is the industry’s smallest OCXO (9 mm x 7 mm) to offer ±1 ppb over-temp stability, ±0.01 ppb/°C typical frequency slope (dF/dT), and up to 12 hours of time holdover. It's the first OCXO in its class to offer a temperature range as wide as -40°C to 95°C.
View related products: 10 to 60 MHz | ±3 ppb stability
Related Blog: The Evolution of Precision Timing Solutions
"Specs" | "Value" |
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Frequency | 60 to 220 MHz |
Frequency Stability (ppm) | ±0.001 (±1 ppb) |
Operating Temperature Range (°C) | -20 to 70, -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 | 12-Hour Holdover, ±10 ppt/°C frequency slope, 4E-12 HDEV at 10 seconds, 460 mW steady state power consumption |
Availability | Pre-Production Sampling |
Epoch OCXO package 9.0x7.0
Reduces BOM by eliminating a dedicated LDO for OCXO
Frequency Slope (dF/dT) Calculator – Calculate frequency slope over temperature
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