
DS1921G
Thermochron iButton Device
Minimum Product Lifetime vs. Sample Rate at Different Temperatures
11.00
10.00
9.00
8.00
7.00
+15 ° C
-20 ° C
-40 ° C
+40 ° C
+45 ° C
6.00
+50 ° C
5.00
4.00
3.00
2.00
1.00
0.00
+55 ° C
+60 ° C
+70 ° C
+85 ° C
1
10
100
1000
MINUTES BETWEEN SAMPLES
Accuracy Limits
2.0
1.5
UPPER LIMIT
1.0
0.5
0
-0.5
LOWER LIMIT
-1.0
-1.5
-2.0
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
TEMPERATURE ( ° C)
6
Maxim Integrated