MAX11044 datasheet(5/27 Pages) MAXIM

5 / 27 page

4-/6-/8-Channel, 16-/14-Bit,

Simultaneous-Sampling ADCs

Maxim Integrated

MAX11044/MAX11045/MAX11046/

MAX11054/MAX11055/MAX11056

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = +4.75V to +5.25V, VDVDD = +2.70V to +5.25V, VAGNDS = VAGND = VDGND = 0V, VREFIO = internal reference, CRDC = 4 x

33µF, CREFIO = 0.1µF, CAVDD = 4 x 0.1µF || 10µF, CDVDD = 3 x 0.1µF || 10µF; all digital inputs at DVDD or DGND, unless otherwise

noted, fSAMPLE = 250ksps. TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

RD Rise to CS Rise

t10

0ns

RD High Time

t11

RD Fall to Data Valid

t12

RD Rise to Data Hold Time

t13

(Note 7)

Note 1:

See the

Definitions section at the end of the data sheet.

Note 2:

Tested with alternating channels modulated at full scale and ground.

Note 3:

See the

Input Range and Protection section for more details.

Note 4:

CLOAD = 30pF on DB0–DB15 and EOC. Inputs (CH0–CH7) alternate between full scale and zero scale. fCONV = 250ksps.

All data is read out.

Note 5:

Defined as the change in positive full scale caused by a ±2% variation in the nominal supply voltage.

Note 6:

It is recommended that RD, WR, and CS are kept high for the quiet time (tQ) and conversion time (tCON).

Note 7:

Guaranteed by design.

INTEGRAL NONLINEARITY vs. CODE

(MAX1104_)

OUTPUT CODE (DECIMAL)

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1.0

-1.0

VAVDD = 5.0V

VDVDD = 3.3V

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

DIFFERENTIAL NONLINEARITY vs. CODE

(MAX1104_)

OUTPUT CODE (DECIMAL)

-0.800

-0.600

-0.400

-0.200

0.200

0.400

0.600

0.800

1.000

-1.000

VAVDD = 5.0V

VDVDD = 3.3V

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

INL AND DNL vs. ANALOG SUPPLY VOLTAGE

(MAX1104_)

VAVDD (V)

5.15

5.05

4.95

4.85

-0.6

-0.2

0.2

0.6

1.0

-1.0

4.75

5.25

VDVDD = 3.3V

fSAMPLE = 250ksps

TA = +25°C

VRDC = 4.096V

MAX INL

MAX DNL

MIN DNL

MIN INL

Typical Operating Characteristics

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

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