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CDC421A100 - Low-Jitter Crystal Oscillator Clock Generator

General Description

The CDC421Axxx is a high-performance, low-phase-noise clock generator.

It has an integrated low-noise, LC-based voltage-controlled oscillator (VCO) that operates within the 1.75 GHz to 2.35 GHz frequency range.

Key Features

  • 1.
  • 2 Single 3.3-V Supply.
  • High-Performance Clock Generator, Incorporating Crystal Oscillator Circuitry with Integrated Frequency Synthesizer.
  • Low Output Jitter: As low as 380 fs (RMS integrated between 10 kHz to 20 MHz).
  • Low Phase Noise at 312.5 MHz:.
  • Less than.
  • 120 dBc/Hz at 10 kHz and.
  • 147 dBc/Hz at 10-MHz offset from carrier.
  • Supports Crystal or LVCMOS Input Frequencies at 31.25 MHz, 33.33 MHz, and 35.42 MHz.
  • Output.

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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.

View original datasheet text
CDC421AXXX www.ti.com ....................................................................................................................................................................................................... SCAS875 – MAY 2009 Fully-Integrated, Fixed-Frequency, Low-Jitter Crystal Oscillator Clock Generator FEATURES 1 •2 Single 3.3-V Supply • High-Performance Clock Generator, Incorporating Crystal Oscillator Circuitry with Integrated Frequency Synthesizer • Low Output Jitter: As low as 380 fs (RMS integrated between 10 kHz to 20 MHz) • Low Phase Noise at 312.5 MHz: – Less than –120 dBc/Hz at 10 kHz and –147 dBc/Hz at 10-MHz offset from carrier • Supports Crystal or LVCMOS Input Frequencies at 31.25 MHz, 33.33 MHz, and 35.42 MHz • Output Frequencies: 100 MHz, 106.