DEVICE CHARACTERISTICS

0

10

20

30

40

5

10

15

20

25

30

35

f -InputFrequency-MHz

i

x1Mode

x4Mode

CDCS502

SCAS868 – DECEMBER 2008........................................................................................................................................................................................... www.ti.com

over operating free-air temperature range (unless otherwise noted)

PARAMET

CONDITIONS

MIN

TYP

MAX

UNIT

ER

fout = 20 MHz; FS = 0, no SSC

8

IDD

Device supply current

fout = 20 MHz; FS = 0, SSC = 2%

18

mA

fout = 70 MHz; FS = 1, SSC = 2%

22

FS = 0

8

32

MHz

fOUT

Output frequency

FS = 1

32

108

MHz

IIH

LVCMOS input current

VI = VDD; VDD = 3.6 V

10

µA

IIL

LVCMOS input current

VI = 0 V; VDD = 3.6 V

–10

µA

IOH = –0.1 mA

2.9

LVCMOS high-level output

VOH

IOH = - 8 mA

2.4

V

voltage

IOH = –12 mA

2.2

IOL = 0.1 mA

0.1

LVCMOS low-level output

VOL

IOL = 8 mA

0.5

V

voltage

IOL = 12 mA

0.8

tjit(CC)

Cycle to cycle jitter

fout = 108 MHz; FS = 1, SSC = 1%,

100

ps

10000 Cycles

tr/tf

Rise and fall time

20%–80%

0.75

ns

Odc

Output duty cycle

PLL active

45%

55%

fMOD

Modulation frequency

30

kHz

Figure 1. IDD vs Input Frequency, VCC = 3.3V, SSC = 2%

4

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