Maxim MAX12557 -THD, SFDR vs. ANALOG SUPPLY VOLTAGE, SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE, -THD, SFDR vs. DIGITAL SUPPLY VOLTAGE, SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE, -THD, SFDR vs. DIGITAL SUPPLY VOLTAGE, PDISS, IVDD (ANALOG) vs. ANALOG SUPPLY VOLTAGE, PDISS, IOVDD (DIGITAL) vs. DIGITAL SUPPLY VOLTAGE, SNR, SINAD vs. CLOCK DUTY CYCLE, -THD, SFDR vs. CLOCK DUTY CYCLE

MAX12557
Dual, 65Msps, 14-Bit, IF/Baseband ADC
10 ______________________________________________________________________________________
60
65
75
70
80
85
3.0 3.23.1 3.3 3.4 3.5 3.6
-THD, SFDR vs. ANALOG SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 175MHz)
MAX12557 toc22
VDD (V)
-THD, SFDR (dBc)
SFDR
-THD
60
64
72
68
76
80
1.5 2.11.8 2.4 2.7 3.0 3.3
SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 70MHz)
MAX12557 toc23
OVDD (V)
SNR, SINAD (dB)
SNR
SINAD
3.6
60
70
65
80
75
90
85
95
1.5 2.1 2.41.8 2.7 3.0 3.3 3.6
MAX12557 toc24
OVDD (V)
-THD, SFDR (dBc)
-THD, SFDR vs. DIGITAL SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 70MHz)
SFDR
-THD
60
63
69
66
72
75
1.5 2.11.8 2.4 2.7 3.0 3.3
SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 175MHz)
MAX12557 toc25
OVDD (V)
SNR, SINAD (dB)
SNR
SINAD
3.6
60
64
72
68
76
80
1.5 2.11.8 2.4 2.7 3.0 3.3
-THD, SFDR vs. DIGITAL SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 175MHz)
MAX12557 toc26
OVDD (V)
-THD, SFDR (dBc)
SFDR
-THD
3.6
0
200
100
500
400
300
800
700
600
900
3.0 3.23.1 3.3 3.4 3.5 3.6
PDISS, IVDD (ANALOG) vs. ANALOG SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 175MHz)
MAX12557 toc27
VDD (V)
PDISS, IVDD (mW, mA)
PDISS (ANALOG)
IVDD
0
20
10
40
30
70
60
50
80
1.5 2.11.8 2.4 2.7 3.0 3.3 3.6
MAX12557 toc28
OVDD (V)
PDISS, IOVDD (DIGITAL)
vs. DIGITAL SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 175MHz)
PDISS, IOVDD (mW, mA)
PDISS (DIGITAL)
CL ≈ 5pF
IOVDD
60
64
62
68
66
70
72
25 4535 55 65 75
SNR, SINAD vs. CLOCK DUTY CYCLE
(fIN = 70MHz, AIN = -0.5dBFS)
MAX12557 toc29
CLOCK DUTY CYCLE (%)
SNR, SINAD (dB)
SINGLE-ENDED CLOCK DRIVE
SNR
SINAD
60
70
65
80
75
85
90
25 4535 55 65 75
-THD, SFDR vs. CLOCK DUTY CYCLE
(fIN = 70MHz, AIN = -0.5dBFS)
MAX12557 toc30
CLOCK DUTY CYCLE (%)
-THD, SFDR (dBc)
SINGLE-ENDED CLOCK DRIVE
SFDR
-THD
Typical Operating Characteristics (continued)
(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference mode), CL≈5pF at digital outputs, VIN = -0.5dBFS,
DIFFCLK/SECLK= OVDD, PD = GND, G/T= GND, fCLK = 65MHz (50% duty cycle), TA= +25°C, unless otherwise noted.)