Rainbow-electronics MAX1211 Manuel d'utilisateur télécharger pdf (Page 12)

MAX1211

65Msps, 12-Bit, IF Sampling ADC

12 ______________________________________________________________________________________

-40 -25 -20-35 -30 -15 -10 -5 0

SIGNAL-TO-NOISE RATIO

vs. ANALOG INPUT POWER

MAX1211 toc21

ANALOG INPUT POWER (dBFS)

SNR (dB)

= 32.1271954MHz

-40 -25 -20-35 -30 -15 -10 -5 0

SIGNAL-TO-NOISE + DISTORTION

vs. ANALOG INPUT POWER

MAX1211 toc22

ANALOG INPUT POWER (dBFS)

SINAD (dB)

= 32.1271954MHz

-90

-80

-85

-65

-70

-75

-50

-55

-60

-45

-40 -25 -20-35 -30 -15 -10 -5 0

TOTAL HARMONIC DISTORTION

vs. ANALOG INPUT POWER

MAX1211 toc23

ANALOG INPUT POWER (dBFS)

THD (dBc)

= 32.1271954MHz

-95

100

-40 -25 -20-35 -30 -15 -10 -5 0

SPURIOUS-FREE DYNAMIC RANGE

vs. ANALOG INPUT POWER

MAX1211 toc24

ANALOG INPUT POWER (dBFS)

SFDR (dBc)

= 32.1271954MHz

Typical Operating Characteristics (continued)

= 3.3V, OV

= 2.0V, GND = 0, REFIN = REFOUT (internal reference), C

REFOUT

= 0.1µF, C

≈ 5pF at digital outputs, differential

input at -0.5dBFS, DCE = high, CLKTYP = high, PD = low, G/T = low, f

CLK

≈ 65MHz (50% duty cycle), C

REFP

= C

REFN

= 0.1µF to GND,

1µF in parallel with 10µF between REFP and REFN, C

COM

= 0.1µF in parallel with 2.2µF to GND, T

= +25°C, unless otherwise noted.)

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Rainbow-electronics MAX1211 Manuel d'utilisateur Page 12

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