1 to 60 MHz, ±0.1 to ±2.5 ppm AEC-Q100 Super-TCXO

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The SiT5386 is an AEC-Q100 automotive-grade ±100 ppb precision MEMS Super-TCXO. This device is based on the Elite Platform and is engineered for best dynamic performance. By leveraging SiTime’s unique DualMEMS™ and TurboCompensation™ temperature sensing technology, the SiT5386 delivers the most stable timing in the presence of environmental stressors – airflow, temperature perturbation, vibration, shock, and electromagnetic interference (EMI).

SiT5386 can be factory-programmed to any combination of frequency, stability, voltage, and pull range. This programmability enables designers to optimize the clock configuration while eliminating the long lead time and customization costs associated with quartz TCXOs where each frequency is custom built.

View related products: 60 to 220 MHz

Watch dynamic performance of Elite Super-TCXO vs 50-ppb quartz TCXO under airflow, temp. ramp, tap test, and VDD fluctuation

SiT5386
"Specs" "Value"
Oscillator Type TCXO-SE
Frequency 1 to 60 MHz
Frequency Stability (ppm) ±0.1, ±0.2, ±0.25
Phase Jitter (rms) 0.31 ps
Output Type LVCMOS, Clipped Sinewave
Operating Temperature Range (°C) -20 to 70 (Gr 4), -40 to 85 (Gr 3), -40 to 105 (Gr 2)
Pull Range (ppm) ±6.25, ±10, ±12.5, ±25, ±50, ±80, ±100, ±125, ±150, ±200, ±400, ±600, ±800, ±1600, ±3200
Voltage Supply (V) 2.5, 2.8, 3, 3.3
Package Type (mm²) 5.0 x 3.2 10-pin
Features Precision TCXO
Availability Pre-production Sampling

Industry's most stable automotive-grade TCXO

  • ±100 ppb over AEC-Q100 Grade 2 temperature from -40 °C to 105 °C

Exceptional dynamic stability under airflow, fast temp. ramp

  • 3e-11 ADEV at 10 second average time
  • ±1 ppb/°C frequency slope (ΔF/ΔT), 10 °C/min ramp
    • Ensures system-level quality of service for telecom and networking equipment in hostile environments

20x better phase noise under vibration

  • Minimizes call and/or link drops in high-vibration environments

No activity dips or microjumps

  • Eliminates any need for costly screening or burn-in tests

0.2 ps/mV power supply noise rejection (PSNR)

  • Reduces BOM by eliminating a dedicated LDO for TCXO

70 g vibration and 30,000 g shock

  • Best robustness and reliability in harsh conditions

LVCMOS or Clipped sinewave output

  • Optimizes for best balance between EMI and jitter

Rich programmable features

  • Any frequency between 1 to 60 MHz
  • 2.25 to 3.63 V
  • Large pull range from ±6.25 to ±3200 ppm
    • Customize TCXO specifications for optimal system performance

Digital frequency tuning through I2C

  • Eliminate frequency shift caused by board noise

Superior reliability

  • 1 billion hours MTBF
  • Lifetime Warranty: Reduces repair costs and field failures due to clock components
  • Precision GNSS
  • GPS/GNSS modules

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SiT6722 (5032) Eval Board User Manual – Evaluate oscillator performance

Frequency Slope (dF/dT) Calculator – Calculate frequency slope over temperature

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