MAX1215N Datasheet, PDF (6/21 Pages) Maxim Integrated Products – 1.8V, Low-Power, 12-Bit, 250Msps ADC for Broadband Applications

1.8V, Low-Power, 12-Bit, 250Msps
ADC for Broadband Applications
Typical Operating Characteristics (continued)
(AV_CC = OV_CC = 1.8V, AGND = OGND = 0, f_SAMPLE = 250MHz, A_IN = -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 R_L = 100Ω, T_A = +25°C.)
SFDR vs. ANALOG INPUT AMPLITUDE
(f_SAMPLE = 250MHz, f_IN = 65.033MHz)
80
75
70
65
60
55
50
45
40
35
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
ANALOG INPUT AMPLITUDE (dBFS)
HD2/HD3 vs. ANALOG INPUT AMPLITUDE
(f_SAMPLE = 250MHz, f_IN = 65.033MHz)
-30
-35
-40
HD2
-45
-50
-55
-60
-65
-70
-75
-80
HD3
-85
-90
-95
-100
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
ANALOG INPUT AMPLITUDE (dBFS)
SNR/SINAD vs. SAMPLE FREQUENCY
(f_IN = 65MHz, A_IN = -1dBFS)
70
SNR
68
66
SINAD
64
62
60
0
50 100 150 200 250
f_SAMPLE (MHz)
SFDR vs. SAMPLE FREQUENCY
(f_IN = 65MHz, A_IN = -1dBFS)
90
88
86
84
82
80
78
76
74
72
70
0
25 50 75 100 125 150 175 200 225 250
f_SAMPLE (MHz)
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
0.7
0.2
-0.3
-0.8
0
1365
2730
4095
DIGITAL OUTPUT CODE
HD2/HD3 vs. SAMPLE FREQUENCY
(f_IN = 65MHz, A_IN = -1dBFS)
-72
-76
-80
HD3
-84
-88
-92
-96
HD2
-100
0
0.2
50 100 150 200 250
f_SAMPLE (MHz)
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
0
-0.2
-0.5
0
1365
2729
4094
DIGITAL OUTPUT CODE
TOTAL POWER DISSIPATION vs. SAMPLE FREQUENCY
(f_IN = 65.033MHz, A_IN = -1dBFS)
0.900
0.875
0.850
0.825
0.800
0.775
0.750
0
50 100 150 200 250
f_SAMPLE (MHz)
GAIN BANDWIDTH PLOT
(f_SAMPLE = 250MHz, NORMALIZED TO 0dB)
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
-4.5
-5.0
10
100
1000
ANALOG INPUT FREQUENCY (MHz)
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