Datasheet

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MAX31826
1-Wire Digital Temperature Sensor
with 1Kb Lockable EEPROM
Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= -40°C, unless otherwise noted.)
Pin Configuration Pin Description
PIN NAME FUNCTION
1 V
DD
Optional V
DD
. V
DD
must be grounded for
operation in parasite-power mode.
2 DQ
Data Input/Output. Open-drain 1-Wire
interface pin. Also provides power to
the device when used in parasite-power
mode (see the Parasite Power section.)
3 N.C. No Connection. Not internally connected.
4 GND Ground
5 AD0
Location Address Input (Least Significant
Bit)
6 AD1 Location Address Input
7 AD2 Location Address Input
8 AD3
Location Address Input (Most Significant
Bit)
MAX31826 TYPICAL ERROR CURVE
MAX31826 toc01
TEMPERATURE (˚C)
THERMOMETER ERROR (˚C)
807050 60-10 0 10 20 30 40-30 -20
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
-40 90
-3s ERROR
+3s ERROR
MEAN ERROR
µMAX
TOP VIEW
27AD2DQ
18AD3
+
V
DD
AD1N.C. 36
AD0GND 45
MAX31826