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ManualsBrandsMAXIM INTEGRATED ManualsData collecting ICsData acquisition IC - ADC/DAC 10 Bit TQFN 48
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MAX1020/MAX1022/MAX1057/MAX1058
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
10 ______________________________________________________________________________________
1.0
0.5
0
-0.5
-1.0
-40 10-15 35 60 85
ADC OFFSET ERROR
vs. TEMPERATURE
MAX1020 toc10
OFFSET ERROR (LSB)
MAX1020/MAX1022/MAX1058
MAX1057
TEMPERATURE
(
°C
)
0.50
0.25
0
-0.25
-0.50
4.750 5.0004.875 5.125 5.250
ADC GAIN ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1020 toc11
SUPPLY VOLTAGE (V)
GAIN ERROR (LSB)
MAX1020/MAX1022/MAX1058
0.50
0.25
0
-0.25
-0.50
2.7 3.33.0 3.6
ADC GAIN ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1020 toc12
SUPPLY VOLTAGE (V)
GAIN ERROR (LSB)
1.0
0.5
0
-0.5
-1.0
-40 10-15 35 60 85
ADC GAIN ERROR
vs. TEMPERATURE
MAX1020 toc13
TEMPERATURE (
°
C)
GAIN ERROR (LSB)
MAX1020/MAX1022/MAX1058
MAX1057
ADC EXTERNAL REFERENCE
INPUT CURRENT vs. SAMPLING RATE
MAX1020 toc14
SAMPLING RATE (ksps)
ADC EXTERNAL REFERENCE INPUT CURRENT (µA)
25020015010050
10
20
30
40
50
60
0
0 300
MAX1020/MAX1022/MAX1058
MAX1057
ANALOG SUPPLY CURRENT
vs. SAMPLING RATE
MAX1020 toc15
SAMPLING RATE (ksps)
ANALOG SUPPLY CURRENT (mA)
25020015010050
0.5
1.0
1.5
2.0
2.5
3.0
0
0300
MAX1020/MAX1022/MAX1058
MAX1057
1.90
1.94
1.92
1.98
1.96
2.02
2.00
2.04
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1020 toc16
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
4.750 4.875 5.000 5.125 5.250
MAX1020/MAX1022/MAX1058
1.90
1.94
1.92
1.98
1.96
2.02
2.00
2.04
2.7 3.0 3.3 3.6
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1020 toc17
SUPPLY VOLTAGE (V)
MAX1057
SUPPLY CURRENT (mA)
1.88
1.92
1.90
1.96
1.94
2.00
1.98
2.02
-40 10-15 35 60 85
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1020 toc18
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT (mA)
MAX1020/MAX1022/MAX1058
MAX1057
Typical Operating Characteristics (continued)
(V
AVDD
= V
DVDD
= 3V (MAX1057), external V
REF
= 2.5V (MAX1057), V
AVDD
= V
DVDD
= 5V (MAX1020/MAX1022/MAX1058), external
V
REF
= 4.096V (MAX1020/MAX1022/MAX1058), f
CLK
= 3.6MHz (50% duty cycle), f
SAMPLE
= 225ksps, C
LOAD
= 50pF, 0.1µF capaci-
tor at REF, T
A
= +25°C, unless otherwise noted.)