MAX1220_12 Datasheet, PDF (11/43 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 (continued)
(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.)
DAC INTEGRAL NONLINEARITY
DAC INTEGRAL NONLINEARITY
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
vs. OUTPUT CODE
vs. OUTPUT CODE
1.5
1.5
0.4
1.0
1.0
0.2
0.5
0.5
0
0
0
-0.5
-1.0
MAX1220/MAX1258
-1.5
0
1024
2048
3072
4096
OUTPUT CODE
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
0.4
-0.5
-1.0
MAX1257
-1.5
0
1024
2048
3072
4096
OUTPUT CODE
DAC FULL-SCALE ERROR
vs. ANALOG SUPPLY VOLTAGE
1.2
-0.2
MAX1220/MAX1258
-0.4
2047 2050 2053 2056 2059 2062
OUTPUT CODE
DAC FULL-SCALE ERROR
vs. ANALOG SUPPLY VOLTAGE
1.2
0.2
0
-0.2
MAX1257
-0.4
2047 2050 2053 2056 2059 2062
OUTPUT CODE
DAC FULL-SCALE ERROR
vs. TEMPERATURE
10
8
INTERNAL
6
REFERENCE
4
2
0
EXTERNAL
-2
REFERENCE = 4.096V
-4
MAX1220/MAX1258
-6
-40 -15
10
35
60
85
TEMPERATURE (°C)
1.0
1.0
0.8
0.8
0.6
0.6
0.4
0.4
MAX1220/MAX1258
MAX1257
EXTERNAL REFERENCE = 4.096V
EXTERNAL REFERENCE = 2.5V
0.2
0.2
4.750 4.875 5.000 5.125 5.250
2.7
3.0
3.3
3.6
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
DAC FULL-SCALE ERROR
vs. TEMPERATURE
10
8
INTERNAL
REFERENCE
6
4
2
0
EXTERNAL
-2
REFERENCE = 2.5V
-4
MAX1257
-6
-40 -15
10
35
60
85
TEMPERATURE (°C)
DAC FULL-SCALE ERROR
vs. REFERENCE VOLTAGE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
MAX1220/MAX1258
-1.00
0
1
2
3
4
5
REFERENCE VOLTAGE (V)
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