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SiT5721 - Platform Stratum 3E DCOCXO

Description

The SiT5721 is the industry’s first digitally controlled OCXO (DCOCXO), enabling output frequency tuning via I2C interface with ±5 ppt (±0.005 ppb) resolution.

Features

  • Any frequency between 1 MHz and 60 MHz, in 1 Hz steps.
  • ±0.04 ppb/°C frequency slope typical (dF/dT).
  • ±5 ppb frequency stability over temperature.
  • Up to 85°C operating temperature range.
  • 1.4E-11 ADEV at 10 second averaging time.
  • Digital frequency pulling via I2C  Up to ±10 ppm pull range  ±5 ppt pulling resolution.
  • Exceptional dynamic stability under airflow and rapid temperature changes.
  • Excellent holdover over a wide range of conditions.
  • Integrate.

📥 Download Datasheet

Datasheet Details

Part number SiT5721
Manufacturer SiTime
File Size 1.07 MB
Description Platform Stratum 3E DCOCXO
Datasheet download datasheet SiT5721 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SiT5721 1 to 60 MHz Emerald™ Platform Stratum 3E DCOCXO Description The SiT5721 is the industry’s first digitally controlled OCXO (DCOCXO), enabling output frequency tuning via I2C interface with ±5 ppt (±0.005 ppb) resolution. The device delivers ±5 ppb over-temp stability, ±0.04 ppb/°C frequency slope (dF/dT) and Stratum 3E compliance in the smallest 9 mm x 7 mm package. Leveraging SiTime’s unique DualMEMS® and TurboCompensation® temperature sensing technology, the SiT5721 is engineered for the best dynamic performance, delivering the most stable timing in the presence of environmental stressors – airflow, temperature perturbation, vibration, shock, and electromagnetic interference (EMI).
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