Datasheet

100
75
50
25
0
25
50
75
-
-
-
Temperature( C)°
Offset( V)m
125
5Units
-55 -35 -15 5 25 45 65 85 105
500
400
300
200
100
0
100
200
300
400
500
-
-
-
-
-
Temperature( C)°
GainError(ppm)
125
5Units
-55 -35 -15 5 25 45 65 85 105
20
16
12
8
4
0
GainDrift(ppm/ C)°
Occurrences
2.6
60UnitsFromTwoProductionLots
2.4
2.0
1.6
1.2
0.8
0.4
0
0.2
0.6
1.0
1.4
1.8
2.2
30
25
20
15
10
5
0
OffsetDrift( V/ C)m °
Occurrences
0.26
60UnitsFromTwoProductionLots
0.24
0.20
0.16
0.12
0.08
0.04
0
0.02
0.06
0.10
0.14
0.18
0.22
3.0
2.5
2.0
1.5
1.0
0.5
0
ReferenceVoltage(V)
INL(ppm)
5.50 0.5 1.0 2.0 2.5 3.0 3.5 4.0
4.5
1.5 5.0
50
40
30
20
10
0
10
20
30
40
50
-
-
-
-
-
ReferenceVoltage(V)
GainError(ppm)
5.50 0.5 1.0 2.0 2.5 3.0 3.5 4.0
4.5
1.5 5.0
150
100
50
0
50
100
150
-
-
-
Offset( V)m
ADS1259
www.ti.com SBAS424D –JUNE 2009– REVISED AUGUST 2011
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = 3.3V, V
REF
= 2.5V, VREFN = AVSS, f
CLK
= 7.3728MHz, and
f
DATA
= 60SPS, unless otherwise noted.
OFFSET vs TEMPERATURE GAIN vs TEMPERATURE
Figure 14. Figure 15.
OFFSET DRIFT DISTRIBUTION HISTOGRAM GAIN DRIFT DISTRIBUTION HISTOGRAM
Figure 16. Figure 17.
INTEGRAL NONLINEARITY vs REFERENCE VOLTAGE GAIN ERROR AND OFFSET vs REFERENCE VOLTAGE
Figure 18. Figure 19.
Copyright © 2009–2011, Texas Instruments Incorporated 9