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MAX3670

Part Number	MAX3670
Manufacturer	Maxim
Description	Low-Jitter 155MHz/622MHz Clock Generator
Published	Jun 13, 2005
Detailed Description	19-2166; Rev 0; 9/01 Low-Jitter 155MHz/622MHz Clock Generator General Description The MAX3670 is a low-jitter 155MHz/62...
Datasheet	MAX3670 PDF File

Overview

19-2166; Rev 0; 9/01 Low-Jitter 155MHz/622MHz Clock Generator General Description The MAX3670 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 MAX3670 integrates a phase/frequency detector, an operational amplifier (op amp), prescaler dividers and input/output buffers.
Using an external VCO, the MAX3670 can be configured easily as a phase-lock loop with bandwidth programmable from 15Hz to 20kHz.
The MAX3670 operates from a single +3.
3V or +5.
0V supply, and dissipates 150mW (typ) at 3.
3V.
The operating temperature range is from -40°C to +85°C.
The chip is available in a 5mm ✕ 5mm, 32-pin QFN package.
o Single +3.
3V or +5.
0V Supply o Power Dissipation: 150mW at +3.
3V Supply o External VCO Center Frequencies (fVCO): 155MHz to 670MHz o Reference Clock Frequencies: fVCO, fVCO/2, fVCO/8 o Main Clock Output Frequency: fVCO o Optional Output Clock Freq...

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