AD9577BCPZ-R7 datasheet(28/44 Pages) AD

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AD9577

Data Sheet

Rev. A | Page 28 of 44

EXAMPLE APPLICATION

XTAL

OSC

REFCLK

MARGIN

REFSEL

CMOS

AD9577

DIVIDE

1 OR 2

VCO

2.15GHz

2.55GHz

LDO

FEEDBACK

DIVIDER

156.25MHz

LVPECL

125MHz

LVPECL

PLL1

VCO

2.15GHz

2.55GHz

LDO

FEEDBACK

DIVIDER

100MHz LVDS

33.33MHz

2 × CMOS

PLL2

SCL

SDA

I2C

CONTROL

SSCG

MAX_BW

SPREAD SPECTRUM,

SDM

25MHz XTAL

25MHz

CMOS

NOTE THAT ANY FREQUENCIES MAY BE PROGRAMMED.

Figure 33. Example Application

Achievable application frequencies include (but are not limited to) those listed in Table 16.

Table 16. Typical Application Frequencies

Applications

Frequency (MHz)

Ethernet

25, 62.5, 100, 125, 250

10G Ethernet

155.52, 156.25, 187.5, 161.1328125, 312.5, 622.08, 625

FB-DIMM

133.333, 166.666, 200

Fibre Channel

53.125, 106.25, 212.5, 318.75, 425

10G Fibre Channel

159.375

Inifiniband

125

SAS, SATA

37.5, 75, 100, 120, 150; the AD9577 also meets the −0.5% downspread requirement

Telecomm

19.44, 38.88, 77.76, 155.52, 311.04, 622.08, 627.32962

PCI Express

100, 125, 250; the AD9577 also meets the −0.5% downspread requirement

PCI, PCI-X

33.33, 66.66, 100, 133.33, 200

Video

13.5, 14.318, 17.7, 18, 27, 72, 74.25, 74.25/1.001, 148.5, 148.5/1.001

Wireless Infrastructure

61.44, 122.88, 368.64

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