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| MAX12528 Datasheet, PDF (9/28 Pages) Maxim Integrated Products – Dual, 80Msps, 12-Bit, IF/Baseband ADC | |||
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Dual, 80Msps, 12-Bit, IF/Baseband ADC
Typical Operating Characteristics (continued)
(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference mode), CL â 5pF at digital outputs, AIN = -0.5dBFS,
DIFFCLK/SECLK = OVDD, PD = GND, G/T = GND, fCLK = 80MHz (50% duty cycle), TA = +25°C, unless otherwise noted.)
SNR, SINAD vs. ANALOG INPUT AMPLITUDE
(fCLK = 80MHz, fIN = 175MHz)
75
65
SNR
55
45
SINAD
35
25
-THD, SFDR vs. ANALOG INPUT AMPLITUDE
(fCLK = 80MHz, fIN = 175MHz)
90
80
SFDR
70
60
-THD
50
40
30
SNR, SINAD vs. CLOCK SPEED
(fIN = 70MHz, AIN = -0.5dBFS)
75
SNR
70
SINAD
65
60
55
15
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
AIN (dBFS)
20
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
AIN (dBFS)
50
10 20 30 40 50 60 70 80
fCLK (MHz)
-THD, SFDR vs. CLOCK SPEED
(fIN = 70MHz, AIN = -0.5dBFS)
90
SFDR
85
80
75
-THD
70
65
60
55
50
10 20 30 40 50 60 70 80
fCLK (MHz)
SNR, SINAD vs. ANALOG SUPPLY VOLTAGE
(fIN = 70MHz)
75
SNR
70
SINAD
65
60
55
50
3.0 3.1 3.2 3.3 3.4 3.5 3.6
VDD (V)
SNR, SINAD vs. CLOCK SPEED
(fIN = 175MHz, AIN = -0.5dBFS)
75
SNR
70
65
SINAD
60
55
50
10 20 30 40 50 60 70 80
fCLK (MHz)
-THD, SFDR vs. ANALOG SUPPLY VOLTAGE
(fIN = 70MHz)
90
85
SFDR
80
75
70
-THD
65
60
55
50
3.0 3.1 3.2 3.3 3.4 3.5 3.6
VDD (V)
-THD, SFDR vs. CLOCK SPEED
(fIN = 175MHz, AIN = -0.5dBFS)
90
SFDR
85
80
75
-THD
70
65
60
55
50
10 20 30 40 50 60 70 80
fCLK (MHz)
SNR, SINAD vs. ANALOG SUPPLY VOLTAGE
(fIN = 175MHz)
75
SNR
70
65
SINAD
60
55
50
3.0 3.1 3.2 3.3 3.4 3.5 3.6
VDD (V)
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