ADS1118_13 Datasheet, PDF (12/38 Pages) Texas Instruments – Ultra-Small, Low-Power, SPI™-Compatible, 16-Bit Analog-to-Digital Converter and Temperature Sensor with Internal Reference

ADS1118
SBAS457C – OCTOBER 2010 – REVISED FEBRUARY 2013
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TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C and VDD = 3.3 V, unless otherwise noted.
TEMPERATURE SENSOR ERROR
vs
AMBIENT TEMPERATURE (QFN)
1
Average Temperature Error
0.8
Average “ 3 sigma
0.6
Average “ 6 sigma
0.4
0.2
TEMPERATURE SENSOR ERROR HISTOGRAM (QFN)
80
T_A í °C
70 _{94 units from production.}
60
50
0
40
-0.2
30
-0.4
20
-0.6
-0.8
10
-1
0
-40 -20 0 20 40 60 80 100 120
Temperature (ƒC)
C007
Figure 32.
Temperature Error (ƒC)
C001
Figure 33.
TEMPERATURE SENSOR ERROR HISTOGRAM (QFN)
80
T_A = 0°C
70 94 units from production.
60
50
40
30
20
10
0
TEMPERATURE SENSOR ERROR HISTOGRAM (QFN)
80
T_A = +25°C
70 94 units from production.
60
50
40
30
20
10
0
Temperature Error (ƒC)
C002
Figure 34.
TEMPERATURE SENSOR ERROR HISTOGRAM (QFN)
80
T_A = +70°C
70 _{94 units from production.}
60
50
40
30
20
10
0
Temperature Error (ƒC)
C003
Figure 35.
TEMPERATURE SENSOR ERROR HISTOGRAM (QFN)
80
T_A = +125°C
70 94 units from production.
60
50
40
30
20
10
0
Temperature Error (ƒC)
C004
Figure 36.
Temperature Error (ƒC)
C006
Figure 37.
12
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