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| MAX1358B Datasheet, PDF (15/71 Pages) Maxim Integrated Products – 16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor | |||
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16-Bit, Data-Acquisition System with ADC, DACs,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
Typical Operating Characteristics (continued)
(DVDD = AVDD = 1.8V, VREF = +1.25V, CCPOUT = 10µF, TA = +25°C, unless otherwise noted.)
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
2.60
2.55
FLL ENABLED
2.50
2.45
2.40
2.35
2.30
FLL DISABLED
2.25
2.20
1.8
CLK = 2.4576MHz
2.1 2.4 2.7 3.0 3.3 3.6
AVDD, DVDD SUPPLY VOLTAGE (V)
2.0496
REFERENCE OUTPUT VOLTAGE
vs. OUTPUT CURRENT
2.0494
2.0492
2.0490
2.0488
VREF = 2.048V
2.0486
-50 50 150 250 350 450 550
OUTPUT CURRENT (µA)
REFERENCE OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
3.0
50kI LOAD
VREF = 2.50V
2.5
2.0
VREF = 1.25V
1.5
VREF = 2.048V
1.0
1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
2.4970
REFERENCE OUTPUT VOLTAGE
vs. OUTPUT CURRENT
2.4968
2.4966
2.4964
2.4962
VREF = 2.5V
2.4960
-50 50 150 250 350 450 550
OUTPUT CURRENT (µA)
1.2502
REFERENCE OUTPUT VOLTAGE
vs. OUTPUT CURRENT
1.2500
1.2498
1.2496
1.2494
VREF = 1.25V
1.2492
-50 50 150 250 350 450 550
OUTPUT CURRENT (µA)
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
1.251
1.250
1.249
1.248
1.247
1.246
VREF = 1.25V
1.245
-40 -15
10
35
60
85
TEMPERATURE (°C)
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
2.052
2.050
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
2.500
2.497
REFERENCE DRIFT (0ËC TO 50ËC)
VREF = 1.25V
BOX METHOD
2.048
2.494
2.046
2.491
2.044
VREF = 2.048V
2.042
-40 -15
10
35
60
85
TEMPERATURE (°C)
2.488
VREF = 2.5V
2.485
-40 -15
10
35
60
85
TEMPERATURE (°C)
6
11
16
21
26
ABSOLUTE DRIFT (ppm/NC)
______________________________________________________________________________________ 15
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