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MAX3672 - Low-Jitter 155MHz/622MHz Clock Generator

General Description

The MAX3672 is a low-jitter 155MHz/622MHz reference clock generator IC designed for system clock distribution and frequency synchronization in OC-48 and OC-192 SONET/SDH and WDM transmission systems.

Key Features

  • o Single +3.3V or +5.0V Supply o Power Dissipation: 150mW at +3.3V Supply o External VCO Center Frequencies (fVCO): 155MHz to 700MHz o Reference Clock Frequencies: fVCO, fVCO/2, fVCO/4, fVCO/8, fVCO/32 o Main Clock Output Frequency: fVCO o Optional Output Clock Frequencies: fVCO, fVCO/2, fVCO/4, fVCO/8 o Low Intrinsic Jitter:.

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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.

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19-2697; Rev 0; 12/02 Low-Jitter 155MHz/622MHz Clock Generator General Description The MAX3672 is a low-jitter 155MHz/622MHz reference clock generator IC designed for system clock distribution and frequency synchronization in OC-48 and OC-192 SONET/SDH and WDM transmission systems. The MAX3672 integrates a phase/frequency detector, an operational amplifier (op amp), prescaler dividers, and input/output buffers. Using an external VCO, the MAX3672 can be configured easily as a phase-lock loop with bandwidth programmable from 30Hz to 10kHz. The MAX3672 operates from a single +3.3V or +5.0V supply and dissipates 150mW (typ) at 3.3V. The operating temperature range is -40°C to +85°C. Features o Single +3.3V or +5.0V Supply o Power Dissipation: 150mW at +3.