MAX11055(2011) Просмотр технического описания (PDF) - Maxim Integrated
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MAX11055 Datasheet PDF : 27 Pages
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MAX11044/MAX11045/MAX11046/
MAX11054/MAX11055/MAX11056
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
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
RD Rise to CS Rise
RD High Time
RD Fall to Data Valid
RD Rise to Data Hold Time
SYMBOL
t10
t11
t12
t13
(Note 7)
CONDITIONS
MIN
TYP
MAX UNITS
0
ns
10
ns
35
ns
5
ns
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
See the Definitions section at the end of the data sheet.
Tested with alternating channels modulated at full scale and ground.
See the Input Range and Protection section for more details.
CLOAD = 30pF on DB0–DB15 and EOC. Inputs (CH0–CH7) alternate between full scale and zero scale. fCONV = 250ksps.
All data is read out.
Defined as the change in positive full scale caused by a ±2% variation in the nominal supply voltage.
It is recommended that RD, WR, and CS are kept high for the quiet time (tQ) and conversion time (tCON).
Guaranteed by design.
Typical Operating Characteristics
(VAVDD = 5V, VDVDD = 3.3V, TA = +25°C, fSAMPLE = 250ksps, internal reference, unless otherwise noted.)
INTEGRAL NONLINEARITY vs. CODE
(MAX1104_)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
VAVDD = 5.0V
VDVDD = 3.3V
-0.6
fSAMPLE = 250ksps
-0.8
TA = +25°C
VRDC = 4.096V
-1.0
OUTPUT CODE (DECIMAL)
DIFFERENTIAL NONLINEARITY vs. CODE
(MAX1104_)
1.000
0.800
0.600
0.400
0.200
0
-0.200
-0.400
-0.600
-0.800
-1.000
VAVDD = 5.0V
VDVDD = 3.3V
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
OUTPUT CODE (DECIMAL)
INL AND DNL vs. ANALOG SUPPLY VOLTAGE
(MAX1104_)
1.0
0.6
MAX INL
0.2
MAX DNL
VDVDD = 3.3V
fSAMPLE = 250ksps
MIN INL
TA = +25°C
-0.2
VRDC = 4.096V
-0.6
MIN DNL
-1.0
4.75 4.85 4.95 5.05 5.15 5.25
VAVDD (V)
Maxim Integrated
5
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