TMP112
SBOS473B–MARCH 2009–REVISED JUNE 2009 ......................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS
At TA = +25°C and V+ = 3.3V, unless otherwise noted.
TEMPERATURE ERROR AT +25°C
ACCURACY vs SUPPLY
Temperature Error (°C)
Accuracy vs Supply (°C/V)
Figure 1.
Figure 2.
QUIESCENT CURRENT vs TEMPERATURE
(Four Conversions per Second)
TEMPERATURE ERROR vs TEMPERATURE
1.0
0.8
20
18
16
14
12
10
8
0.6
0.4
0.2
0
3.6V Supply
-0.2
-0.4
-0.6
-0.8
-1.0
6
4
1.4V Supply
2
0
-50
-25
0
25
50
75
100
125
-60 -40 -20
0
20 40 60 80 100 120 140 160
Temperature (°C)
Temperature (°C)
Figure 3.
Figure 4.
QUIESCENT CURRENT vs BUS FREQUENCY
(Temperature at 3.3V Supply)
SHUTDOWN CURRENT vs TEMPERATURE
10
9
8
7
6
5
4
3
2
1
0
100
90
80
70
60
50
40
30
20
10
0
3.6V Supply
1.4V Supply
+125°C
+25°C
-55°C
-60 -40 -20
0
20 40 60 80 100 120 140 160
1k
10k
100k
1M
10M
Temperature (°C)
Bus Frequency (Hz)
Figure 5.
Figure 6.
4
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