MAX2120CTI(2007) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX2120CTI
(Rev.:2007)
(Rev.:2007)
Maxim Integrated
MAX2120CTI Datasheet PDF : 21 Pages
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Complete, Direct-Conversion Tuner for DVB-S
and Free-to-Air Applications
Typical Operating Characteristics
(MAX2120 Evaluation Kit: VCC = +3.3V, baseband output frequency = 5MHz; VGC1 = 1.2V; TA = +25°C. Default register settings
except ICP = 1 and BBG[3:0] = 1011.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
98
97
TA = +70°C
96
95
94
TA = +25°C
93
92
91
90
TA = 0°C
89
88
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
STANDBY MODE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
2.900
2.800
2.700
2.600
TA = +70°C
2.500
2.400
TA = 0°C, +25°C
2.300
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
SUPPLY CURRENT
vs. BASEBAND FILTER CUTOFF FREQUENCY
104
102
100
98
96
94
92
90
88
86
84
4 8 12 16 20 24 28 32 36 40
BASEBAND FILTER CUTOFF FREQUENCY (MHz)
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
1.0
HD3 vs. OUTPUT VOLTAGE
1.5
2.0
2.5
3.0
3.5
VOUT (VP-P)
QUADRATURE PHASE vs. LO FREQUENCY
93.5
fBASEBAND = 10MHz
92.5
TA = +25°C
91.5
TA = +70°C
90.5
89.5
88.5
TA = 0°C
87.5
86.5
900
1200 1500 1800 2100 2400
LO FREQUENCY (MHz)
QUADRATURE MAGNITUDE MATCHING
vs. LO FREQUENCY
1.0
fBASEBAND = 10MHz
0.8
0.6
TA = +25°C
0.4
0.2
0
-0.2
-0.4
TA = 0°C
-0.6
TA = +70°C
-0.8
-1.0
900
1200 1500 1800 2100 2400
LO FREQUENCY (MHz)
QUADRATURE PHASE
vs. BASEBAND FREQUENCY
93.5
fLO = 925MHz
92.5
TA = +70°C
91.5
90.5
89.5
TA = +25°C TA = 0°C
88.5
87.5
86.5
0
4
8
12
16
20
BASEBAND FREQUENCY (MHz)
QUADRATURE MAGNITUDE MATCHING
vs. BASEBAND FREQUENCY
1.0
fLO = 925MHz
0.8
0.6
0.4
TA = +70°C
0.2
0
-0.2
-0.4
-0.6
TA = +25°C TA = 0°C
-0.8
-1.0
0
4
8
12
16
20
BASEBAND FREQUENCY (MHz)
_______________________________________________________________________________________ 5
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