40Msps, 12-Bit ADC
Typical Operating Characteristics (continued)
(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), CREFOUT = 0.1µF, CL ≈ 5pF at digital outputs, VIN = -0.5dBFS
differential input, DCE = high, CLKTYP = high, PD = low, G/T = low, fCLK = 40MHz (50% duty cycle), CREFP = CREFN = 0.1µF to GND, 1µF
in parallel with 10µF between REFP and REFN, CCOM = 0.1µF in parallel with 2.2µF to GND, TA = +25°C, unless otherwise noted.)
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT POWER
75
fIN = 19.900286MHz
70
65
60
55
50
45
40
35
-30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT POWER
75
fIN = 19.900286MHz
70
65
60
55
50
45
40
35
-30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT POWER
-55
fIN = 19.900286MHz
-60
-65
-70
-75
-80
-85
-90
-95
-30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT POWER
95
fIN = 19.900286MHz
90
85
80
75
70
65
60
55
-30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
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