MAX1221 Datasheet, PDF (10/44 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)
(AV_DD = DV_DD = 3V external V_REF = 2.5V, 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 SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
2.04
2.02
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
2.02
2.00
AV_DD = DV_DD = 5V
DAC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
1.5
AV_DD = DV_DD = 5V
EXTERNAL REFERENCE = 4.096V
1.0
2.00
1.98
0.5
1.98
1.96
AV_DD = DV_DD = 3V
0
1.96
1.94
-0.5
1.94
1.92
1.92
1.90
-1.0
1.90
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
1.88
-40 -15
10
35
60
85
TEMPERATURE (°C)
-1.5
0
1024
2048
3072
4096
OUTPUT CODE
DAC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
1.5
1.0
0.5
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
0.4
AV_DD = DV_DD = 5V
EXTERNAL REFERENCE = 4.096V
0.2
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
0.4
0.2
0
0
0
-0.5
-0.2
-0.2
-1.0
-1.5
0
1024
2048
3072
4096
OUTPUT CODE
DAC FULL-SCALE ERROR
vs. ANALOG SUPPLY VOLTAGE
1.2
1.0
0.8
0.6
0.4
0.2
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
-0.4
2047 2050 2053 2056 2059 2062
OUTPUT CODE
DAC FULL-SCALE ERROR
vs. TEMPERATURE
10
8
6
4
2
0
-2
EXTERNAL
REFERENCE = 4.096V
-4
AV_DD = DV_DD = 5V
-6
-40 -15
10
35
60
85
TEMPERATURE (°C)
-0.4
2047 2050 2053 2056 2059 2062
OUTPUT CODE
DAC FULL-SCALE ERROR
vs. TEMPERATURE
10
8
INTERNAL
REFERENCE
6
4
2
0
-2
EXTERNAL
REFERENCE = 2.5V
-4
AV_DD = DV_DD = 3V
-6
-40 -15
10
35
60
85
TEMPERATURE (°C)
10 ______________________________________________________________________________________