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MAX1021 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX1021
Description  10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
PDF  47 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1021 Datasheet(HTML) 4 Page - Maxim Integrated Products

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10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = 2.7V to 3.6V (MAX1021/MAX1023/MAX1057), external reference VREF = 2.5V (MAX1021/MAX1023/MAX1057), AVDD =
DVDD = 4.75V to 5.25V (MAX1020/MAX1022/MAX1058), external reference VREF = 4.096V (MAX1020/MAX1022/MAX1058), fSCLK = 4.8MHz
(50% duty cycle), TA = -40°C to +85°C, unless otherwise noted. Typical values are at AVDD = DVDD = 3V (MAX1021/MAX1023/MAX1057),
AVDD = DVDD = 5V (MAX1020/MAX1022/MAX1058), TA = +25°C. Outputs are unloaded, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VREF = 2.5V
(MAX1021/MAX1023/MAX1057),
fSAMPLE = 300ksps
25
80
VREF = 4.096V
(MAX1020/MAX1022/MAX1058),
fSAMPLE = 300ksps
40
80
REF1 Input Current (Note 9)
IREF1
Acquisition between conversions
±0.01
±1
µA
VREF = 2.5V
(MAX1021/MAX1023/MAX1057),
fSAMPLE = 300ksps
25
80
VREF = 4.096V
(MAX1020/MAX1022/MAX1058),
fSAMPLE = 300ksps
40
80
REF2 Input Current
IREF2
Acquisition between conversions
±0.01
±1
µA
DAC
DC ACCURACY (Note 10)
Resolution
10
Bits
Integral Nonlinearity
INL
±0.5
±1
LSB
Differential Nonlinearity
DNL
Guaranteed monotonic
±0.5
LSB
Offset Error
VOS
(Note 8)
±3
±10
mV
Offset-Error Drift
±10
ppm of
FS/°C
Gain Error
GE
(Note 8)
±1.25
±10
LSB
Gain Temperature Coefficient
±8
ppm of
FS/°C
DAC OUTPUT
No load
0.02
AVDD -
0.02
Output-Voltage Range
10k
Ω load to either rail
0.1
AVDD -
0.1
V
DC Output Impedance
0.5
Ω
Capacitive Load
(Note 11)
1
nF
AVDD = 2.7V, VREF = 2.5V
(MAX1021/MAX1023/MAX1057),
gain error < 1%
2000
Resistive Load to AGND
RL
AVDD = 4.75V, VREF = 4.096V
(MAX1020/MAX1022/MAX1058),
gain error < 2%
500
Ω



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