MAX11047 datasheet(8/18 Pages) MAXIM

8 / 18 page

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

Simultaneous-Sampling ADCs

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Typical Operating Characteristics (continued)

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

SIGNAL-TO-NOISE AND DISTORTION

RATIO (SINAD) vs. FREQUENCY

FREQUENCY (kHz)

10.0

1.0

0.1

100.0

VAVDD = 5.0V

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

VIN = -0.025dB FROM FS

THD vs. INPUT FREQUENCY

-115

-110

-105

-100

-95

-90

-85

-120

VAVDD = 5.0V

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

VIN = -0.025dB FROM FS

FREQUENCY (kHz)

10.0

1.0

0.1

100.0

CROSSTALK vs. FREQUENCY

FREQUENCY (kHz)

10.0

1.0

-120

-115

-110

-105

-100

-95

-125

0.1

100.0

VAVDD = 5.0V

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

VIN = -0.025dB FROM FS

INACTIVE CHANNEL

AT GND

OUTPUT NOISE HISTOGRAM WITH

INPUT CONNECTED TO 2.5V

OUTPUT CODE (DECIMAL)

4000

8000

12,000

16,000

20,000

24,000

VCHX = 2.500270V

VAVDD = 5.0V

fSAMPLE = 250ksps

TA = +25°C

CONVERSION TIME

vs. ANALOG SUPPLY VOLTAGE

2.93

2.94

2.95

2.96

2.98

2.97

2.99

3.00

2.92

5.15

5.05

4.95

4.85

4.75

5.25

VAVDD (V)

CONVERSION TIME vs. TEMPERATURE

2.93

2.94

2.95

2.96

2.98

2.97

2.99

3.00

2.92

-15

-40

TEMPERATURE (°C)

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