ADS1230
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SBAS366–OCTOBER 2006
TYPICAL CHARACTERISTICS
At TA = +25°C, AVDD = DVDD = REFP = 5V, and REFN = AGND, unless otherwise noted.
NOISE PLOT
NOISE PLOT
4
3
2
1
0
3
2
PGA = 64
Data Rate = 10SPS
PGA = 64
Data Rate = 80SPS
1
0
-1
-2
-3
-4
-5
-6
0
200
400
600
800
1000
0
200
400
600
800
1000
Time (Reading Number)
Time (Reading Number)
Figure 1.
Figure 2.
NOISE HISTOGRAM
NOISE HISTOGRAM
900
800
700
600
500
400
300
200
100
0
400
350
300
250
200
150
100
50
PGA = 64
Data Rate = 10SPS
PGA = 64
Data Rate = 80SPS
0
1
2
3
-5
-4
-3
-2
-1
0
1
2
Output Code (LSB)
Output Code (LSB)
Figure 3.
Figure 4.
NOISE PLOT
NOISE PLOT
0
-1
-2
-3
-4
-5
-6
8
6
PGA = 128
Data Rate = 10SPS
PGA = 128
Data Rate = 80SPS
4
2
0
-2
-4
-6
-8
-10
0
200
400
600
800
1000
0
200
400
600
800
1000
Time (Reading Number)
Time (Reading Number)
Figure 5.
Figure 6.
7
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