ADS7041 Datasheet, PDF (9/37 Pages) Texas Instruments – Ultra-Low Power, Ultra-Small Size, 10-Bit, 1-MSPS, SAR ADC

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ADS7041
SBAS675A – NOVEMBER 2014 – REVISED NOVEMBER 2014
Typical Characteristics (continued)
At T_A = 25°C, AVDD = 3 V, DVDD = 1.8 V, and f_SAMPLE = 1 MSPS, unless otherwise noted.
8
8
6
6
4
4
2
2
Calibrated
Calibrated
0
0
-2
-2
-4
-4
Un-Calibrated
-6
-6
Un-Calibrated
-8
±40
±7
26
59
92
125
Free-Air Temperature (^oC)
C013
-8
1.8
2.1
2.4
2.7
3
3.3
3.6
Reference Voltage (V)
C014
Figure 14. Offset Error vs Free-Air Temperature
0.1
0.075
0.05
0.025
0
-0.025
-0.05
-0.075
-0.1
±40
±7
26
59
92
125
Free-Air Temperature (^oC)
C015
Figure 15. Offset Error vs Reference Voltage (AVDD)
0.1
0.075
0.05
0.025
0
-0.025
-0.05
-0.075
-0.1
1.8
2.1
2.4
2.7
3
3.3
3.6
Reference Voltage (V)
C016
Figure 16. Gain Error vs Free-Air Temperature
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
0
128 256 384 512 640 768 896 1024
Code
C017
AVDD = 3 V
Figure 18. Typical DNL
Figure 17. Gain Error vs Reference Voltage (AVDD)
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
0
128 256 384 512 640 768 896 1024
Code
C01
AVDD = 3 V
Figure 19. Typical INL
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