MAX11044 datasheet(8/19 Pages) MAXIM

8 / 19 page

4-/6-/8-Channel, 16-Bit,

Simultaneous-Sampling ADCs

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-104

-103

-102

-101

-100

-99

-105

TOTAL HARMONIC DISTORTION

vs. ANALOG SUPPLY VOLTAGE

fIN = 10kHz

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

VIN = -0.025dB FROM FS

VAVDD (V)

5.15

5.05

4.95

4.85

4.75

5.25

SIGNAL-TO-NOISE AND DISTORTION

RATIO vs. FREQUENCY

FREQUENCY (kHz)

0.1

100

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

VIN = -0.025dB FROM FS

FREQUENCY (kHz)

-110

-105

-100

-95

-90

-85

-80

-115

0.1

100

THD vs. INPUT FREQUENCY

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

VIN = -0.025dB FROM FS

Typical Operating Characteristics (continued)

(AVDD = 5V, DVDD = 3.3V, TA = +25°C, fSAMPLE = 250ksps, internal reference, unless otherwise noted.)

OUTPUT NOISE HISTOGRAM WITH

INPUT CONNECTED TO GND

OUTPUT CODE (DECIMAL)

50,000

100,000

150,000

200,000

VCHX = 0V

VAVDD = 5.0V

fSAMPLE = 250ksps

TA = +25°C

CONVERSION TIME vs. TEMPERATURE

2.93

2.94

2.95

2.96

2.98

2.97

2.99

3.00

2.92

TEMPERATURE (°C)

-15

-40

CROSSTALK vs. FREQUENCY

-130

-120

-110

-100

-90

-140

FREQUENCY (kHz)

0.1

100

fIN = 60kHz

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

VIN = -0.025dB FROM FS

INACTIVE CHANNEL AT GND

CONVERSION TIME

vs. ANALOG SUPPLY VOLTAGE

2.93

2.94

2.95

2.96

2.98

2.97

2.99

3.00

2.92

VAVDD (V)

5.15

5.05

4.95

4.85

4.75

5.25

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