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Description

FULL DATA SHEET (PDF, 500kB) Download   E-Mail 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.

Key Features		Applications/Uses
Single +3.3V or +5.0V Supply Power Dissipation: 150mW at +3.3V Supply External VCO Center Frequencies (fVCO): 155MHz to 700MHz Reference Clock Frequencies: fVCO, fVCO/2, fVCO/4, fVCO/8, fVCO/32 Main Clock Output Frequency: fVCO Optional Output Clock Frequencies: fVCO, fVCO/2, fVCO/4, fVCO/8 Low Intrinsic Jitter: <0.4psRMS Loss-of-Lock Indicator PECL Clock Output Interface		Clock Jitter Clean-Up and Frequency Synchronization Frequency Conversion OC-12 to OC-192 SONET/WDM Transport Systems System Clock Distribution

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