MAX1215 データシートの表示（PDF） - Maxim Integrated
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MAX1215 Datasheet PDF : 20 Pages
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1.8V, 12-Bit, 250Msps ADC for
Broadband Applications
Typical Operating Characteristics (continued)
(AVCC = OVCC = 1.8V, AGND = OGND = 0, fSAMPLE = 250MHz, AIN = -1dBFS; see each TOC for detailed information on test condi-
tions, differential input drive, differential sine-wave clock input drive, 0.1µF capacitor on REFIO, internal reference, digital output pins
differential RL = 100Ω, TA = +25°C.)
SFDR vs. ANALOG INPUT AMPLITUDE
(fSAMPLE = 249.99936MHz, fIN = 65.03279MHz)
90
80
70
60
50
40
30
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
ANALOG INPUT AMPLITUDE (dBFS)
SFDR vs. SAMPLE FREQUENCY
(fIN = 65MHz, AIN = -1dBFS)
90
85
80
75
70
65
60
55
50
0
50 100 150 200 250
fSAMPLE (MHz)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
fIN = 13MHz
512 1024 1536 2048 2560 3072 3584 4096
DIGITAL OUTPUT CODE
HD2/HD3 vs. ANALOG INPUT AMPLITUDE
(fSAMPLE = 249.99936MHz, fIN = 65.03279MHz)
-30
-40
-50
HD3
-60
-70
-80
HD2
-90
-100
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
ANALOG INPUT AMPLITUDE (dBFS)
HD2/HD3 vs. SAMPLE FREQUENCY
(fIN = 65MHz, AIN = -1dBFS)
-60
-65
-70
HD3
-75
-80
-85
-90
-95
-100
HD2
-105
-110
0
50 100 150 200 250
fSAMPLE (MHz)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
fIN = 13MHz
512 1024 1536 2048 2560 3072 3584 4096
DIGITAL OUTPUT CODE
SNR/SINAD vs. SAMPLE FREQUENCY
(fIN = 65MHz, AIN = -1dBFS)
69
68
SNR
67
66
65
SINAD
64
63
62
61
60
0
50 100 150 200 250
fSAMPLE (MHz)
TOTAL POWER DISSIPATION vs. SAMPLE
FREQUENCY (fIN = 65MHz, AIN = -1dBFS)
1010
1000
990
980
970
960
950
940
930
920
910
900
890
0
50 100 150 200 250
fSAMPLE (MHz)
GAIN BANDWIDTH PLOT
(fSAMPLE = 249.99936MHz, AIN = -1dBFS)
1
0
-1
-2
-3
-4
-5
-6
DIFFERENTIAL TRANSFORMER COUPLING
-7
10
100
1000
ANALOG INPUT FREQUENCY (MHz)
6 _______________________________________________________________________________________
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