MAX1438 Datasheet, PDF (6/22 Pages) Maxim Integrated Products – Octal, 12-Bit, 65Msps, 1.8V ADC with Serial LVDS Outputs Serial LVDS Outputs

Octal, 12-Bit, 65Msps, 1.8V ADC
with Serial LVDS Outputs
Typical Operating Characteristics (continued)
(V_AVDD = 1.8V, V_OVDD = 1.8V, V_CVDD = 3.3V, V_GND = 0V, internal reference, differential input at -0.5dBFS, f_IN = 5.3MHz, f_CLK = 65MHz
(50% duty cycle), V_DT = 0V, C_LOAD = 10pF, T_A = +25°C, unless otherwise noted.)
TWO-TONE INTERMODULATION DISTORTION
(16,384-POINT DATA RECORD)
0
-10
f_IN(IN1) = 5.296593MHz
f_IN(IN2) = 6.299991MHz
-20
A_IN1 = -6.5dBFS
-30
A_IN2 = -6.5dBFS
IMD = 89.3dBc
-40
IM3 = 97.5dBc
-50
-60
-70
-80
-90
-100
-110
0 5 10 15 20 25 30
FREQUENCY (MHz)
SIGNAL-TO-NOISE PLUS DISTORTION
vs. ANALOG INPUT FREQUENCY
73
72
71
70
69
68
67
66
65
0
20 40 60 80 100 120
f_IN (MHz)
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT POWER
72
f_IN = 5.304814MHz
67
62
57
52
47
42
37
32
-30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
1
BANDWIDTH
vs. ANALOG INPUT FREQUENCY
FULL-POWER
BANDWIDTH
-0.5dBFS
SMALL-SIGNAL
BANDWIDTH
-20.5dBFS
10
100
1000
ANALOG INPUT FREQUENCY (MHz)
-55
-60
-65
-70
-75
-80
-85
-90
-95
-100
0
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
20 40 60 80 100 120
f_IN (MHz)
SIGNAL-TO-NOISE PLUS DISTORTION
vs. ANALOG INPUT POWER
72
f_IN = 5.304814MHz
67
62
57
52
47
42
37
32
-30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
73
72
71
70
69
68
67
66
65
0
20 40 60 80 100 120
f_IN (MHz)
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
100
95
90
85
80
75
70
65
60
55
0
20 40 60 80 100 120
f_IN (MHz)
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT POWER
-50
-55 ^{fIN = 5.304814MHz}
-60
-65
-70
-75
-80
-85
-90
-95
-100
-30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
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