MAX1021(2008) 查看數據表（PDF） - Maxim Integrated
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MAX1021
(Rev.:2008)
(Rev.:2008)
Maxim Integrated
MAX1021 Datasheet PDF : 40 Pages
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10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
Typical Operating Characteristics (continued)
(AVDD = DVDD = 3V, external VREF = 2.5V, fCLK = 3.6MHz (50% duty cycle), fSAMPLE = 225ksps, CLOAD = 50pF, 0.1µF capacitor at
REF, TA = +25°C, unless otherwise noted.)
ADC GAIN ERROR
vs. TEMPERATURE
1.0
ADC EXTERNAL REFERENCE
INPUT CURRENT vs. SAMPLING RATE
60
ANALOG SUPPLY CURRENT
vs. SAMPLING RATE
3.0
50
2.5
0.5
40
2.0
0
30
1.5
20
1.0
-0.5
10
0.5
-1.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
2.04
2.02
2.00
1.98
1.96
1.94
1.92
1.90
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
DAC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
0.3
0.2
0.1
0
0
0 50 100 150 200 250 300
SAMPLING RATE (ksps)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
2.02
2.00
AVDD = DVDD = 5V
1.98
1.96
1.94
1.92
AVDD = DVDD = 3V
1.90
1.88
-40 -15
10
35
60
85
TEMPERATURE (°C)
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
0.10
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
0.05
0
0 50 100 150 200 250 300
SAMPLING RATE (ksps)
DAC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
0.3
AVDD = DVDD = 5V
0.2 EXTERNAL REFERENCE = 4.096V
0.1
0
-0.1
-0.2
-0.3
0
256
512
768
1024
OUTPUT CODE
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
0.10
0.05
0
0
-0.1
-0.2
-0.3
0
-0.05
-0.05
-0.10
-0.10
256
512
768
1024
1023 1026 1029 1032 1035 1038
1023 1026 1029 1032 1035 1038
OUTPUT CODE
OUTPUT CODE
OUTPUT CODE
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