MAX1219 Datasheet, PDF (5/21 Pages) Maxim Integrated Products – 1.8V, Dual, 12-Bit, 210Msps ADC for Broadband Applications

1.8V, Dual, 12-Bit, 210Msps ADC for
Broadband Applications
Typical Operating Characteristics
(AV_CC = OV_CC = 1.8V, f_SAMPLE = 210MHz, differential input and differential sine-wave clock signal, 0.1µF capacitors on REFA and
REFB, internal reference, digital output differential R_L = 100Ω, T_A = +25°C, unless otherwise noted.)
FFT PLOT
FFT PLOT
(16,384 SAMPLES)
(16,384 SAMPLES)
0
0
f_IN = 10.3Hz
f_IN = 65Hz
f_SAMPLE = 210MHz
f_SAMPLE = 210MHz
-25
A_IN = -1dBFS
-25 ^AIN ^{= -1.041dBFS}
SINAD = 67.026dB
SINAD = 66.596dB
SNR = 67.129dB
SNR = 66.745dB
-50
THD = -83.324dBc
-50 ^{THD = -81.307dBc}
SFDR = 87.469dBc
SFDR = 83.358dBc
HD2 = -94.214dBc
HD2 = -92.863dBc
-75
HD3 = -87.469dBc
-75 ^{HD3 = -84.022dBc}
FFT PLOT
(16,384 SAMPLES)
0
f_IN = 100Hz
f_SAMPLE = 210MHz
-25 ^AIN ^{= -0.971dBFS}
SINAD = 66.323dB
SNR = 66.576dB
-50 ^{THD = -78.811dBc}
SFDR = 80.762dBc
HD2 = -93.597dBc
-75 ^{HD3 = -80.764dBc}
-100
-100
-100
-125
0
0
-25
-50
-75
21
42
63
84
105
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT
(16,384 SAMPLES)
f_IN = 200Hz
f_SAMPLE = 210MHz
A_IN = -0.949dBFS
SINAD = 65.17dB
SNR = 65.5dB
THD = -76.527dBc
SFDR = 79.593dBc
HD2 = -86.659dBc
HD3 = -79.593dBc
-100
-125
0
21
42
63
84 105
ANALOG INPUT FREQUENCY (MHz)
-125
0
0
-25
-50
-75
21
42
63
84 105
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT
(16,384 SAMPLES)
f_IN = 250Hz
f_SAMPLE = 210MHz
A_IN = -1.039dBFS
SINAD = 63.842dB
SNR = 64.779dB
THD = -70.965dBc
SFDR = 72.255dBc
HD2 = -80.836dBc
HD3 = -72.255dBc
-100
-125
0
21
42
63
84 105
ANALOG INPUT FREQUENCY (MHz)
-125
0
21
42
63
84 105
ANALOG INPUT FREQUENCY (MHz)
SNR/SINAD vs. ANALOG INPUT FREQUENCY
(f_SAMPLE = 210MHz, A_IN = -1dBFS)
70
68
SNR
66
64
SINAD
62
60
58
56
10
60
110 160 210 260
ANALOG INPUT FREQUENCY (MHz)
HD2/HD3 vs. ANALOG INPUT FREQUENCY
(f_SAMPLE = 210MHz, A_IN = -1dBFS)
-60
-65
-70
HD3
-75
-80
-85
-90
-95
-100
-105
HD2
-110
-115
-120
10
60 110 160 210 260
ANALOG INPUT FREQUENCY (MHz)
SFDR/(-THD) vs. ANALOG INPUT FREQUENCY
(f_SAMPLE = 210MHz, A_IN = -1dBFS)
90
85
SFDR
80
75
70
65
-THD
60
55
50
45
40
10
60 110 160 210 260
ANALOG INPUT FREQUENCY (MHz)
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