MAX31850 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX31850 Datasheet PDF : 25 Pages
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MAX31850/MAX31851
Cold-Junction Compensated, 1-Wire
Thermocouple-to-Digital Converters
(VCC = +3.3V, TA = +25NC, unless otherwise noted.)
Typical Operating Characteristics
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE
1400
VCC = 3.7V
1200
1000
800
600
400
200
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
STANDBY SUPPLY CURRENT
vs. TEMPERATURE
0.50
VCC = 3.7V
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
INTERNAL TEMPERATURE
SENSOR ACCURACY
0.5
VCC = 3.3V
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
ADC ACCURACY vs. ADC INPUT VOLTAGE
ACROSS TEMPERATURE
2.0
VCC = 3.3V
1.5
1.0
TA = +125°C
0.5
TA = -40°C
0
-0.5
0
TA = +85°C
TA = +25°C
20
40
60
ADC INPUT VOLTAGE (mV)
ADC ACCURACY vs. ADC INPUT
VOLTAGE ACROSS VCC
0.20
INTERNAL TEMPERATURE = +25°C
0.15
0.10
0.05
VCC = 3.7V
0
-0.05
-0.10
VCC = 3.3V
-0.15
VCC = 3.0V
-0.20
-0.25
-0.30
0
20
40
60
ADC INPUT VOLTAGE (mV)
Maxim Integrated
7
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