MAX1358B Datasheet, PDF (19/71 Pages) Maxim Integrated Products – 16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor

16-Bit, Data-Acquisition System with ADC, DACs,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
Typical Operating Characteristics (continued)
(DV_DD = AV_DD = 1.8V, V_REF = +1.25V, C_CPOUT = 10µF, T_A = +25°C, unless otherwise noted.)
DAC INL vs. OUTPUT CODE
0.5
0.4
V_REF = 2.048V
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
DAC DNL vs. OUTPUT CODE
0.5
0.4
AV_DD = 1.8V
V_REF = 1.25V
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
DAC DNL vs. OUTPUT CODE
0.5
0.4
V_REF = 2.048V
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
OUTPUT CODE
OUTPUT CODE
OUTPUT CODE
0.62420
DAC OUTPUT VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
0.62415
0.62410
0.62405
0.62400
0.62395
0.62390
0.62385
V_REF = 1.25V
CODE = 0x200
R_LOAD = 10kI
0.62380
1.8 2.1 2.4 2.7 3.0 3.3 3.6
AVDD (V)
0.6250
DAC OUTPUT VOLTAGE
vs. TEMPERATURE
DAC FB_ INPUT BIAS CURRENT
vs. TEMPERATURE
250
0.6246
200
150
0.6242
0.6238
100
FB_ = AV_DD
50
V_REF = 1.25V EXTERNAL
FB_ = 0
0.6234 CODE = 0x200
R_LOAD = 10kI
0
AV_DD = DV_DD = 1.8V
0.6230
-40 -15 10
35
60
85
-50
TEMPERATURE (°C)
-40 -15
10
35
60
85
TEMPERATURE (°C)
DAC GAIN ERROR vs.TEMPERATURE
0.5
0.4
V_REF = 1.25V EXTERNAL
AV_DD = DV_DD = 1.8V
0.3
0.2
0.1
0
-0.1
V_REF = 2.5V EXTERNAL
AV_DD = DV_DD = 3.0V
-0.2
OFFSET MEASURED AT CODE 0x52
-0.3
-40 -15
10
35
60
85
TEMPERATURE (°C)
DAC OUTPUT NOISE (0.1Hz TO 10Hz)
MAX1358B toc50
REF = 1.25V
AV_DD = DV_DD = 1.8V
CODE = 0x3FF
20µV/div
AC-COUPLED
1s/div
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