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TYPICALCHARACTERISTICS
vcxo_在 输入 频率 − mhz
50
70
90
110
130
150
170
190
210
230
250
50 250 450 650 850 1050 1250 1450 1650 1850 2050
V
CC
= 3.3 v
T
一个
= 25
°
C
I
CC
− 供应 电流 − 毫安
所有 输出 pairs 起作用的 (4 div-用-8 / 1 div-用-3)
所有 输出 pairs 起作用的 (div-用-1)
所有 输出 pairs 起作用的 (div-用-8)
∆
为 div-用-2/4/8/16
一个 输出 一双 起作用的 (div-用-8)
∆
为 1 输出 一双
∆
为 div-用-3/6
G001
非 输出 起作用的
CDCM7005
SCAS793A–JUNE2005–REVISEDJUNE2005
devicecharacteristics(持续)
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYP
(1)
MAXUNIT
PLLANALOGLOCK
I
OH
高-leveloutputcurrentv
CC
=3.6v,v
O
=1.8v–110µa
I
OL
低-leveloutputcurrentv
CC
=3.6v,v
O
=1.8v110µa
高-impedancestateoutputcurrent
I
OZHLOCK
V
O
=3.6v(pdissetlow)4565µa
forPLLLOCKoutput
(9)
高-impedancestateoutputcurrent
I
OZLLOCK
V
O
=0v(pdissetlow)
±
5µA
forPLLLOCKoutput
(9)
V
IT+
PositiveinputthresholdvoltageV
CC
=mintomaxV
CC
×
0.55v
V
IT–
NegativeinputthresholdvoltageV
CC
=mintomaxV
CC
×
0.35v
PHASEDETECTOR
f
CPmax
MaximumchargepumpfrequencyDefaultPFDpulsewidthdelay100MHz
CHARGEPUMP
chargepumpsink/sourcecurrent
I
CP
V
CP
=0.5v
cc_cp
±
0.2
±
3mA
范围
(10)
I
CP3St
chargepump3-statecurrent0.5v<v
CP
<v
cc_cp
–0.5v10na
V
CP
=0.5v
cc_cp
,internalreference
10%
电阻,spidefaultsettings
I
CPA
ICPabsoluteaccuracy
V
CP
=0.5v
cc_cp
,externalreference
resistor12k
Ω
(1%)ati_ref_cp,spi5%
defaultsettings
0.5v<v
CP
<v
cc_cp
–0.5v,spidefault
I
CPM
下沉/sourcecurrentmatching2.5%
settings
I
VCPM
icpvsvcpmatching0.5v<v
CP
<v
cc_cp
–0.5v5%
(9)lockoutputhasan80-k
Ω
pulldownresistor.
(10)definedbyspisettings.
LVPECLSUPPLYCURRENT
vs
NUMBEROFACTIVEOUTPUTS
一个.ifdiv-用-2/4/8/16isactivatedforoneormoreoutputs,'
∆
fordiv-用-2/4/8/16'hastobeaddedtoi
CC
ofdiv-用-1.如果
div-用-3ordiv-用-6isactivated,'
∆
fordiv-用-2/4/8/16'和'
∆
fordiv-by3/6'hastobeaddedtoi
CC
ofdiv-用-1.
figure1.
9
: 点此下载
