CDCM6208V1RGZT datasheet(4/78 Pages) TI

Part #	CDCM6208V1RGZT

Description	2:8 CLOCK GENERATOR, JITTER CLEANER WITH FRACTIONAL DIVIDERS

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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1

10

100

10k

10M 100M

Frequency (Hz)

0

-160

-140

-120

-100

-80

-60

-40

-20

156.25MHz output using 60Hz Loop

Bandwidth; Clock source is ok to be noisy,

as CDCM6208 filters the jitter out of the

noisy source; RJ=1.2ps-rms (12k-20MHz)

156.25MHz output using 300kHz

bandwidth; Clock source needs to

be clean (e.g. XTAL source)

RJ=265fs-rms

152.25 MHZ

with 60 Hz BW

152.25 MHZ

closed loop

1k

100k

1M

CDCM6208

SCAS931A – MAY 2012 – REVISED JUNE 2012

www.ti.com

Typical Device Jitter

Figure 2. Typical Device Output Phase Noise and Jitter for 25 MHz and 312.5 MHz

Figure 3. Phase Noise Plot for Jitter Cleaning Mode (blue) and Synthesizer Mode (green)

4

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CDCM6208V1RGZT Datasheet(PDF) 4 Page - Texas Instruments

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