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CDC421156 Datasheet Crystal-oscillator Clock Generator

Manufacturer: Texas Instruments

Overview: www.ti.com CDC421xxx SLAS540 – APRIL 2007 FULLY INTEGRATED FIXED FREQUENCY LOW-JITTER, CRYSTAL-OSCILLATOR CLOCK.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

CDC421xxx 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–2.35 GHz frequency range.

It has an integrated crystal oscillator that operates in conjunction with an external AT-cut crystal to produce a stable frequency reference for the PLL-based frequency synthesizer.

Key Features

  • 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.
  • 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 the Carrier.
  • Supports Crystal Frequencies or LVCMOS Input Frequencies at 31.25 MHz, 33.33 MHz, and 35.42 MHz A A A A.

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