MAX3270(1995) データシートの表示（PDF） - Maxim Integrated
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MAX3270
(Rev.:1995)
(Rev.:1995)
Maxim Integrated
MAX3270 Datasheet PDF : 12 Pages
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155Mbps/622Mbps Clock Recovery and
Data Retiming IC with Fully Integrated
Phase/Frequency Detector
AC ELECTRICAL CHARACTERISTICS (continued)
(VEE = -4.5V, VTTL = 5V, TA = 25°C, unless otherwise noted.)
PARAMETER
SYMBOL
ECL OUTPUTS: RDOP, RDON, RCOP, RCON
Transition Time 20% to 80%
tr, tf
Time Difference between RDO and RCO TD
PFD AND FILTER AMPLIFIER TEST LEVELS
Output Offset Voltage of the
Monitor Amplifier
VO
Gain of the Monitor Amplifier
GFM
Filter Amplifier Open-Loop Voltage Gain GOL
VCO TEST PARAMETERS; CPR OUTPUT
Center Frequency
FO
Frequency Range
Mean Frequency Sensitivity
Frequency Sensitivity to
Power-Supply Voltage
PLL ELECTRICAL SPECIFICATIONS
Frequency of VCO
Incremental Tuning Sensitivity
(Incremental Slope, ∆f/∆Vt)
Phase-Detector Gain
Transconduction Gain of Filter Amplifier
Phase Offset Sensitivity, ∆Φ/∆PHADJ
DFO
KO
KOV
FO
KO
KD
Gm
KPHADJ
CONDITIONS
Loaded with 50Ω to -2V and
5pF to GND
Loaded with 50Ω to -2V and
5pF to GND
PHADJ = 0, FILP and FILN shorted
PHADJ = 0
FILP and FILN open
FILP and FILN shorted,
PFD = neutral state
FILP - FILN = 1.6V
FILP - FILN = 1.6V
FILP and FILN shorted
ft = 622.08MHz
MIN TYP MAX UNITS
600
ps
100
ps
-35
35
mV
0.95
1.05 V/V
21
26
dB
38.00
6
3.75
39.50 MHz
10
MHz
6 MHz/V
550 kHz/V
622.08
75
192
1.25
2
MHz
MHz/V
mV/rad
mA/V
rad/V
__________________________________________Typical Operating Characteristics
VEE SUPPLY CURRENT
vs. TEMPERATURE
190
185 -4.75V
180
175 -4.5V
170
165 -4.25V
160
155
150
-40 -20
0 20 40 60 80 100
TEMPERATURE (°C)
CRP FREE-RUNNING FREQUENCY (VCO/16)
vs. DIE TEMPERATURE
39.0
38.9
MEASURED
38.8
38.7
38.6
38.5
38.4
38.3
0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
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