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MAX3270 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX3270
Description  155Mbps/622Mbps Clock Recovery and Data Retiming IC with Fully Integrated Phase/Frequency Detector
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3270 Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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155Mbps/622Mbps Clock Recovery and
Data Retiming IC with Fully Integrated
Phase/Frequency Detector
_______________________________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS (continued)
(VEE = -4.5V, VTTL = 5V, TA = 25°C, unless otherwise noted.)
PHADJ = 0
Loaded with 50
Ω to -2V and
5pF to GND
FILP and FILN shorted
FILP - FILN = 1.6V
FILP - FILN = 1.6V
FILP and FILN open
FILP and FILN shorted,
PFD = neutral state
ft = 622.08MHz
CONDITIONS
rad/V
2
KPHADJ
Phase Offset Sensitivity,
∆Φ/∆PHADJ
mA/V
1.25
Gm
Transconduction Gain of Filter Amplifier
mV/rad
192
KD
Phase-Detector Gain
MHz/V
75
KO
Incremental Tuning Sensitivity
(Incremental Slope,
∆f/∆Vt)
MHz
622.08
FO
Frequency of VCO
V/V
0.95
1.05
GFM
Gain of the Monitor Amplifier
ps
600
tr, tf
Transition Time 20% to 80%
kHz/V
550
KOV
Frequency Sensitivity to
Power-Supply Voltage
MHz/V
3.75
6
KO
Mean Frequency Sensitivity
MHz
610
DFO
Frequency Range
dB
21
26
GOL
Filter Amplifier Open-Loop Voltage Gain
MHz
38.00
39.50
FO
Center Frequency
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
175
180
185
190
150
-40
80
VEE SUPPLY CURRENT
vs. TEMPERATURE
155
170
TEMPERATURE (°C)
0
40
60
100
-20
20
165
160
-4.75V
-4.5V
-4.25V
__________________________________________Typical Operating Characteristics
PHADJ = 0, FILP and FILN shorted
mV
-35
35
VO
Output Offset Voltage of the
Monitor Amplifier
Loaded with 50
Ω to -2V and
5pF to GND
ps
100
TD
Time Difference between RDO and RCO
ECL OUTPUTS: RDOP, RDON, RCOP, RCON
VCO TEST PARAMETERS; CPR OUTPUT
PLL ELECTRICAL SPECIFICATIONS
PFD AND FILTER AMPLIFIER TEST LEVELS
38.8
38.9
39.0
38.3
0
60
80
100
CRP FREE-RUNNING FREQUENCY (VCO/16)
vs. DIE TEMPERATURE
38.4
38.7
TEMPERATURE (°C)
20
40 50
70
90
10
30
38.6
38.5
MEASURED


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