DS1854 Ver la hoja de datos (PDF) - Maxim Integrated
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DS1854 Datasheet PDF : 22 Pages
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Dual Temperature-Controlled Resistors with
Two Monitors
ANALOG RESISTOR CHARACTERISTICS
(VCC = 3.0V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
Position 00h Resistance
Position FFh Resistance
Absolute Linearity
Relative Linearity
Temperature Coefficient
High-Z Resistor Current
SYMBOL
IRHIZ
TA = +25°C
TA = +25°C
(Note 6)
(Note 7)
(Note 8)
RHIZ = VCC
CONDITIONS
MIN TYP MAX UNITS
0.7
1.0 1.25
kΩ
40
50
60
kΩ
-2
+2
LSB
-1
+1
LSB
50
ppm/°C
0.1
µA
ANALOG VOLTAGE MONITORING
(VCC = 3.0V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
Input Resolution
Supply Resolution
Input/Supply Accuracy
SYMBOL
∆VMON
∆VCC
ACC
CONDITIONS
Update Rate for MON1, MON2,
Temp, or VCC
tframe
MIN TYP MAX UNITS
610
µV
1.6
mV
0.25 0.5
% FS
(full scale)
20
30
ms
DIGITAL THERMOMETER
(VCC = 3.0V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
Thermometer Error
SYMBOL
CONDITIONS
TERR -40°C to +95°C
TYP
MAX
UNITS
±3.0
°C
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