Datasheet
MAX1020/MAX1022/MAX1057/MAX1058
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
_______________________________________________________________________________________ 9
0
0.1
0.3
0.2
0.4
0.5
ANALOG SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX1020 toc01
SUPPLY VOLTAGE (V)
ANALOG SHUTDOWN CURRENT (µA)
4.750 5.0004.875 5.125 5.250
MAX1020/MAX1022/MAX1058
0
0.1
0.3
0.2
0.4
0.5
ANALOG SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX1020 toc02
SUPPLY VOLTAGE (V)
MAX1057
ANALOG SHUTDOWN CURRENT (µA)
2.7 3.33.0 3.6
0.4
0.3
0.2
0.1
0
-40 10-15 35 60 85
ANALOG SHUTDOWN CURRENT
vs. TEMPERATURE
MAX1020 toc03
TEMPERATURE (
°
C)
ANALOG SHUTDOWN CURRENT (µA)
MAX1020/MAX1022/MAX1058
MAX1057
ADC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX1020 toc04
OUTPUT CODE
INTEGRAL NONLINEARITY (LSB)
768512256
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
01024
MAX1020/MAX1022/MAX1058
ADC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX1020 toc05
OUTPUT CODE
INTEGRAL NONLINEARITY (LSB)
768512256
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
0 1024
MAX1057
ADC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX1020 toc06
OUTPUT CODE
DIFFERENTIAL NONLINEARITY (LSB)
768512256
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
0 1024
MAX1020/MAX1022/MAX1058
ADC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX1020 toc07
OUTPUT CODE
DIFFERENTIAL NONLINEARITY (LSB)
768512256
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
0 1024
MAX1057
0.4
0.3
0.2
0.1
0
4.750 5.0004.875 5.125 5.250
ADC OFFSET ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1020 toc08
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
MAX1020/MAX1022/MAX1058
0.4
0.3
0.2
0.1
0
2.7 3.33.0 3.6
ADC OFFSET ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1020 toc09
SUPPLY VOLTAGE (V)
MAX1057
OFFSET ERROR (LSB)
Typical Operating Characteristics
(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.)