0.50
0.46
Gain Error (%)
8
6
4
2
0
Occurrences
0.42
0.38
0.02
0.34
0.30
0.26
0.18
0.22
0.14
Worst-Case Gain Match Relative PGA = 1 (25 Units)
0.10
0.06
-
15
-
14
Gain Drift (ppm/ C)
°
90
80
70
60
50
40
30
20
10
0
Occurrences
-
13
-
12
5
-
11
-
10
-
9
PGA = 1, 2, 4
PGA = 8, 64
-
7
-
8
-
6
25 Units Based on +20 C Intervals
Over the Range of 40 C to +85 C
°
°
°
-
PGA = 32
PGA = 16
4
3
2
1
0
-
5
-
4
-
3
-
2
-
1
-
0.10
-
0.08
Offset Drift ( V/ C)
m
°
90
80
70
60
50
40
30
20
10
0
Occurrences
-
0.06
-
0.04
0.10
-
0.02
0
0.02
PGA = 8
PGA =1
0.06
0.04
0.08
25 Units Based on
+20 C Intervals
Over the Range of
40 C to +85 C
°
°
°
-
-
1.2
-
1.1
Gain Error (%)
10
8
6
4
2
0
Occurrences
-
1.0
-
0.9
-
0.3
-
0.8
-
0.7
-
0.6
25 Units
-
0.4
-
0.5
1.0
1.5
f
(MHz)
CLK
30
25
20
15
10
5
0
Power (mW)
2.0
2.5
4.5
3.0
3.5
4.0
-
100
-
80
Offset ( V)
m
30
25
20
15
10
5
0
Occurrences
-
60
-
40
100
-
20
0
20
25 Units
PGA = 8
PGA = 1
80
60
40
SBAS418I – SEPTEMBER 2007 – REVISED MARCH 2015
Typical Characteristics (continued)
At +25°C, AVDD = +2.5V, AVSS = –2.5V, f
CLK
= 4.096MHz, VREFP = +2.5V, VREFN = –2.5V, DVDD = +3.3V, PGA = 1,
CAPN – CAPP = 10nF, and f
DATA
= 1000SPS, unless otherwise noted.
Figure 19. Power vs Clock Frequency
Figure 20. Offset Histogram
Figure 21. Gain Error Histogram
Figure 22. Offset Drift Histogram
Figure 23. Gain Drift Histogram
Figure 24. Gain Match Histogram
10
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