MAX12559 Datasheet, PDF (9/30 Pages) Maxim Integrated Products – Dual, 96Msps, 14-Bit, IF/Baseband ADC

Dual, 96Msps, 14-Bit, IF/Baseband ADC
Typical Operating Characteristics (continued)
(V_DD = 3.3V, OV_DD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), C_L ≈ 5pF at digital outputs, V_IN = -1dBFS (differential),
DIFFCLK/SECLK = OV_DD, PD = GND, G/T = GND, f_CLK = 96MHz (50% duty cycle), T_A = +25°C, unless otherwise noted.)
SNR, SINAD vs. ANALOG INPUT AMPLITUDE
(f_CLK = 96MHz, f_IN = 175MHz)
75
70
65
SNR
60
55
50
45
SINAD
40
35
30
25
20
15
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
A_IN (dBFS)
-THD, SFDR vs. CLOCK SPEED
(f_IN = 70MHz, A_IN = -1dBFS)
95
SFDR
90
85
80
-THD
75
70
65 _{DIV4 = OVDD}
DIV2 = GND
60
30 40 50 60 70 80
f_CLK (MHz)
90 100
SNR, SINAD vs. ANALOG SUPPLY VOLTAGE
(f_CLK = 96MHz, f_IN = 70MHz)
77
75
SNR
73
71
SINAD
69
67
3.1 3.2 3.3 3.4 3.5 3.6
V_DD (V)
-THD, SFDR vs. ANALOG INPUT AMPLITUDE
(f_CLK = 96MHz, f_IN = 175MHz)
90
85
SFDR
80
75
70
65
-THD
60
55
50
45
40
35
30
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
A_IN (dBFS)
SNR, SINAD vs. CLOCK SPEED
(f_IN = 175MHz, A_IN = -1dBFS)
76
SNR
74
72
70
SINAD
68
66
64
62 DIV4 = OV_DD
DIV2 = GND
60
30 40 50 60 70 80
f_CLK (MHz)
90 100
-THD, SFDR vs. ANALOG SUPPLY VOLTAGE
(f_CLK = 96MHz, f_IN = 70MHz)
100
SFDR
90
80
-THD
70
60
50
40
3.1 3.2 3.3 3.4 3.5 3.6
V_DD (V)
SNR, SINAD vs. CLOCK SPEED
(f_IN = 70MHz, A_IN = -1dBFS)
77
75
SNR
73
SINAD
71
69
DIV4 = OV_DD
DIV2 = GND
67
30 40 50 60 70 80 90 100
f_CLK (MHz)
-THD, SFDR vs. CLOCK SPEED
(f_IN = 175MHz, A_IN = -1dBFS)
95
90
85
SFDR
80
75
70
-THD
65
60
55 ^{DIV4 = OV}DD
DIV2 = GND
50
30 40 50 60 70 80 90 100
f_CLK (MHz)
SNR, SINAD vs. ANALOG SUPPLY VOLTAGE
(f_CLK = 96MHz, f_IN = 175MHz)
76
74
SNR
72
70
SINAD
68
66
64
62
3.1 3.2 3.3 3.4 3.5 3.6
V_DD (V)
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