MAX1219 Datasheet, PDF (6/21 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 (continued)
(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.)
SNR/SINAD vs. SAMPLE FREQUENCY
(f_IN = 65MHz, A_IN = -1dBFS)
70
SNR
68
66
SINAD
64
62
60
58
56
50
75 100 125 150 175 200 225
f_SAMPLE (MHz)
HD2/HD3 vs. SAMPLE FREQUENCY
(f_IN = 65MHz, A_IN = -1dBFS)
-60
-65
-70
HD3
-75
-80
-85
-90
-95
-100
-105
HD2
-110
-115
-120
50 75 100 125 150 175 200 225
f_SAMPLE (MHz)
SFDR/(-THD) vs. SAMPLE FREQUENCY
(f_IN = 65MHz, A_IN = -1dBFS)
100
95
90
SFDR
85
80
75
70
-THD
65
60
55
50
50 75 100 125 150 175 200 225
f_SAMPLE (MHz)
SNR/SINAD, SFDR vs. TEMPERATURE
(f_IN = 10MHz, A_IN = -1dBFS)
88
84
80
SFDR
76
72
SNR
68
SINAD
64
-40 -15
10
35
60
85
TEMPERATURE (°C)
IMD FFT PLOT
-1.2
f_IN1 = 97MHz
f_IN2 = 100MHz
-26.0
-7dBFS
PER TONE
-50.7
IMD = 83dBc
-75.5 ^{2fIN1 - fIN2}
2f_IN2 - f_IN1
-100.2
-125.0
FREQUENCY
IMD FFT PLOT
0
f_IN1 = 29MHz
f_IN2 = 31MHz
-25
-7dBFS
PER TONE
-50
IMD = 87dBc
-75
2f_IN1 - f_IN2
2f_IN2 - f_IN1
-100
-125
FREQUENCY
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