Typical Operating Characteristics (continued)
(AVDD = +5V, DVDD = +3V, AGND = DGND = 0V, VREF = VREFMS = +2.5V (external reference), see the Typical Operating Circuits sec-
tion, fCLK = 10MHz, 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, TA = +25°C, unless otherwise noted.)
FFT
MAX1316
toc13
FREQUENCY (MHz)
AMPLITUDE
(dB)
0.20
0.15
0.10
0.05
-120
-100
-80
-60
-40
-20
0
-140
0
0.25
fANALOG_IN = 103kHz
fSAMPLE = 490kHz
fCLK = 10MHz
SINAD = 76.7dB
SNR = 77.0dB
THD = -88.3dB
SFDR = 91.0dB
SIGNAL-TO-NOISE RATIO
vs. CLOCK FREQUENCY
MAX1316
toc14
fCLK (MHz)
SNR
(dB)
18
16
14
12
10
71
72
73
74
75
76
77
78
79
80
70
820
fIN = 100kHz
SIGNAL-TO-NOISE PLUS DISTORTION
vs. CLOCK FREQUENCY
MAX1316
toc15
fCLK (MHz)
SINAD
(dB)
18
16
14
12
10
71
72
73
74
75
76
77
78
79
80
70
820
fIN = 100kHz
EFFECTIVE NUMBER OF BITS
vs. CLOCK FREQUENCY
MAX1316
toc16
fCLK (MHz)
ENOB
(BITS)
18
16
14
12
10
820
11.0
11.5
12.0
12.5
13.0
13.5
10.5
fIN = 100kHz
TOTAL HARMONIC DISTORTION
vs. CLOCK FREQUENCY
MAX1316
toc17
fCLK (MHz)
THD
(dB)
18
16
14
12
10
820
-95
-90
-85
-80
-75
-70
-100
SPURIOUS-FREE DYNAMIC RANGE
vs. CLOCK FREQUENCY
MAX1316
toc17b
fCLK (MHz)
SFDR
(dB)
18
16
14
12
10
820
65
70
75
80
85
90
95
100
60
MAX1316–MAX1318/MAX1320–MAX1322/MAX1324–MAX1326
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
8
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