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SiT5358

TCXO by SiTime

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The SiT5358 from SiTime is a MEMS Precision Temperature Controlled Crystal Oscillator (TCXO) that operates from 1 to 60 MHz. It has a frequency stability of ±0.05 ppm and the oscillation frequency can be controlled in 1 Hz steps. The TCXO operates over a temperature range from 0° to 70° C with ±0.05 ppm stability across the temperature range. It requires a supply voltage of 2.5 V/2.8 V/3.0 V/3.3 V and has an LVCMOS or clipped sinewave output. The TCXO is fully compliant to the GR-1244 Stratum 3 oscillator specifications.

The SiT5358 delivers high-stability timing in the presence of environmental stressors – airflow, temperature perturbation, vibration, shock, and electromagnetic interference (EMI). It is available in a surface-mount package that measures 5.0 x 3.2 mm and is RoHS & REACH compliant. The oscillator is ideal for 4G/5G radio, small cell, synchronous Ethernet, IEEE 1588, precision GNSS, test and measurement, carrier-grade routers and switches, optical transport – SONET/SDH, OTN, Stratum 3, DOCSIS 3.x remote PHY, and GPS disciplined oscillators applications. It also integrates multiple on-chip regulators, providing power supply noise filtering and eliminating the need for a dedicated external LDO.

Product Specifications

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Product Details

  • Part Number
    SiT5358
  • Manufacturer
    SiTime
  • Description
    MEMS TCXO with LVCMOS/Clipped Sinewave Output from 1 to 60 MHz

General Parameters

  • Applications
    SONET/SDH, Precision GNSS systems, Test and Measurement, Radar & LiDAR, Defense & Aerospace
  • Frequency
    1 to 60 MHz
  • Output Waveform
    LVCMOS, Clipped sinewave
  • Supply Voltage
    2.25 to 3.63 V
  • Current
    44 to 57 mA
  • Load Capacitance
    10 to 15 pF
  • Output Load
    10 kOhms
  • Phase Noise
    -168 to -68 dBc/Hz
  • Phase Noise 1 kHz
    -148 to -140 dBc/Hz
  • Phase Noise 10 kHz
    -154 to -146 dBc/Hz
  • Phase Noise 100 kHz
    -154 to -145 dBc/Hz
  • Phase Noise 1 MHz
    -167 to -159 dBc/Hz
  • Pulling
    ±6.25 to ±3200 ppm
  • Startup Time
    2.5 to 3.5 ms
  • Duty Cycle
    45 to 55 %
  • Fall Time
    0.8 to 4.6 nS
  • Rise Time
    0.8 to 4.6 nS
  • Jitter
    0.31 to 9 ps
  • Frequency Tolerance
    ±0.3 ppm
  • Frequency Stability
    ±50 to ±100 ppm
  • Package Type
    Surface Mount
  • Package
    Ceramic 10-pin
  • Dimension
    5.0 x 3.2 mm
  • Operating Temperature
    -40 to 105 Degree C
  • Storage Temperature
    -65 to 125 Degree C
  • RoHS
    Yes

Technical Documents

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