Datasheet
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OffsetDrift(nV/ C)°
-50
-40
-30
-20
-10
0
10
20
30
40
50
30
25
20
15
10
5
0
Counts
PGA=128
DataRate=10SPS
90Samplesfrom3Lots
OffsetDrift(nV/ C)°
-
30
-
25
-
20
-
15
-
10
-5
0
5
10
15
20
25
30
20
18
16
14
12
10
8
6
4
2
0
Counts
PGA=128
DataRate=10SPS
90Samplesfrom3Lots
GainDrift(ppm/ C)°
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
25
20
15
10
5
0
Counts
PGA=128
DataRate=10SPS
90Samplesfrom3Lots
GainDrift(ppm/ C)°
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
20
18
16
14
12
10
8
6
4
2
0
Counts
PGA=128
DataRate=10SPS
90Samplesfrom3Lots
Temperature (
_
C)
Offset (nV)
1000
500
0
−
500
−
1000
110
−
50
−
30
−
10 10 30 50 70 90
PGA = 128
Data Rate = 10SPS
Temperature (
_
C)
Gain Error (%)
0.04
0.03
0.02
0.01
0
−
0.01
−
0.02
110
−
50
−
30
−
10 10 30 50 70 90
PGA = 128
Data Rate = 10SPS
ADS1232
ADS1234
SBAS350F – JUNE 2005 – REVISED FEBRUARY 2008
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25 ° C, AVDD = DVDD = VREFP = 5V, and VREFN = AGND, unless otherwise noted.
OFFSET DRIFT ( – 40 ° C to +25 ° C) OFFSET DRIFT (+25 ° C to +105 ° C)
Figure 13. Figure 14.
GAIN DRIFT ( – 40 ° C to +25 ° C) GAIN DRIFT (+25 ° C to +105 ° C)
Figure 15. Figure 16.
OFFSET vs TEMPERATURE GAIN ERROR vs TEMPERATURE
Figure 17. Figure 18.
10 Copyright © 2005 – 2008, Texas Instruments Incorporated
Product Folder Link(s): ADS1232 ADS1234