MAX1211 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1211 Datasheet PDF : 30 Pages
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65Msps, 12-Bit, IF Sampling 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, differential
input at -0.5dBFS, DCE = high, CLKTYP = high, PD = low, G/T = low, fCLK ≈ 65MHz (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. SAMPLING RATE
70.0
69.5 fIN ≈ 32.1MHz
69.0
DIFFERENTIAL CLOCK
68.5
68.0
67.5
67.0 SINGLE-ENDED CLOCK
66.5
66.0
65.5
65.0
30 35 40 45 50 55 60 65 70
fCLK (MHz)
SIGNAL-TO-NOISE + DISTORTION
vs. SAMPLING RATE
70.0
69.5 fIN ≈ 32.1MHz
69.0
DIFFERENTIAL CLOCK
68.5
68.0
67.5
67.0 SINGLE-ENDED CLOCK
66.5
66.0
65.5
65.0
30 35 40 45 50 55 60 65 70
fCLK (MHz)
TOTAL HARMONIC DISTORTION
vs. SAMPLING RATE
-70
fIN ≈ 32.1MHz
-75
-80
SINGLE-ENDED CLOCK
-85
-90
-95
DIFFERENTIAL CLOCK
-100
30 35 40 45 50 55 60 65 70
fCLK (MHz)
SPURIOUS-FREE DYNAMIC RANGE
vs. SAMPLING RATE
100
fIN ≈ 32.1MHz
DIFFERENTIAL CLOCK
95
90
SINGLE-ENDED CLOCK
85
80
75
70
30 35 40 45 50 55 60 65 70
fCLK (MHz)
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