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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.

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Datasheet preview – SiT5721

Datasheet Details

Part number SiT5721
Manufacturer SiTime
File Size 1.07 MB
Description Platform Stratum 3E DCOCXO
Datasheet download datasheet SiT5721 Datasheet
Additional preview pages of the SiT5721 datasheet.

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Full PDF Text Transcription

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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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