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SiT5356

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The SiT5356 from SiTime is a Precision Temperature Controlled Crystal Oscillator (TCXO) that operates from 1 to 60 MHz. It has frequency stability of ±0.1 to ±0.25 ppm and the oscillation frequency can be controlled in 1 Hz steps. The TCXO operates over a temperature range from -40 to 105 degree Celcius with ±100 ppb stability across temperature. It requires a supply voltage of 2.5 to 3.3 V and has a LVCMOS or clipped sinewave output. This device is fully compliant to Telcordia GR-1244 Stratum 3 oscillator specifications. The SiT5356 delivers the most stable timing in the presence of environmental stressors - airflow, temperature perturbation, vibration, shock, and electromagnetic interference (EMI).

The SiT5356 is available in a 5 x 3.2 mm surface mount package and is RoHS & REACH compliant. The oscillator is ideal for 4G/5G radio, small cell, synchronous Ethernet, IEEE 1588, precision GNSS, test and measurement applications. It also integrates multiple on-chip regulators, providing power supply noise filtering and eliminating the need for a dedicated external LDO.

SiT5356 can be factory-programmed to any combination of frequency, stability, voltage, and pull range.

Product Specifications

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Product Details

  • Part Number
    SiT5356
  • Manufacturer
    SiTime
  • Description
    1 to 60 MHz TCXO with LVCMOS / Clipped Sinewave output

General Parameters

  • Application - Standards
    4G, 5G, Radio, Test and Measurement
  • Frequency
    1 to 60 MHz
  • Output Waveform
    LVCMOS, Clipped Sinewave
  • Supply Voltage
    2.5 to 3.3 V
  • Output_Voltage
    0.4 V
  • Load Capacitance
    3 pF
  • Output Load
    15 pF
  • Phase Noise
    -165 to -70 dBc
  • Phase Noise 1 kHz
    -145 dBc
  • Phase Noise 10 kHz
    -152 dBc
  • Phase Noise 100 kHz
    -155 dBc
  • Phase Noise 1 MHz
    -162 dBc
  • Startup Time
    5 ms
  • Duty Cycle
    45 to 55 %
  • Fall Time
    30 to 75 ns
  • Rise Time
    120 ns
  • Jitter
    2 to 10 ps
  • Frequency Stability
    +/-0.1 to +/-0.25 ppm
  • Temperature Stability
    ±0.1 ppm
  • Package Type
    Surface Mount
  • 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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