MAX1220_12 Datasheet, PDF (9/43 Pages) Maxim Integrated Products – 12-Bit, Multichannel ADCs/DACs with FIFO,Temperature Sensing, and GPIO Ports

12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
Typical Operating Characteristics
(V_AVDD = V_DVDD = 3V (MAX1257), external V_REF = 2.5V (MAX1257), V_AVDD = V_DVDD = 5V (MAX1220/MAX1258), external V_REF =
4.096V (MAX1220/MAX1258), f_CLK = 3.6MHz (50% duty cycle), f_SAMPLE = 225ksps, C_LOAD = 50pF, 0.1µF capacitor at REF,
T_A = +25°C, unless otherwise noted.)
ANALOG SHUTDOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
0.5
ANALOG SHUTDOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
0.5
ANALOG SHUTDOWN CURRENT
vs. TEMPERATURE
0.4
0.4
0.4
0.3
0.3
0.2
0.2
0.1
MAX1220/MAX1258
0
4.750 4.875 5.000
5.125
SUPPLY VOLTAGE (V)
5.250
ADC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
MAX1220/MAX1258
-1.00
0
1024
2048
3072
4096
OUTPUT CODE
ADC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
MAX1257
-1.00
0
1024
2048
3072
4096
OUTPUT CODE
0.1
MAX1257
0
2.7
3.0
3.3
3.6
SUPPLY VOLTAGE (V)
ADC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
MAX1257
-1.00
0
1024
2048
3072
4096
OUTPUT CODE
ADC OFFSET ERROR
vs. ANALOG SUPPLY VOLTAGE
1.0
0.8
0.6
0.4
0.2
MAX1220/MAX1258
0
4.750 4.875 5.000
5.125
SUPPLY VOLTAGE (V)
5.250
0.3
MAX1220/MAX1258
0.2
0.1
MAX1257
0
-40
-15
10
35
60
85
TEMPERATURE (°C)
ADC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
MAX1220/MAX1258
-1.00
0
1024
2048
3072
4096
OUTPUT CODE
ADC OFFSET ERROR
vs. ANALOG SUPPLY VOLATGE
1.0
0.8
0.6
0.4
0.2
MAX1257
0
2.7
3.0
3.3
3.6
SUPPLY VOLTAGE (V)
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