ADS1230
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SBAS366–OCTOBER 2006
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, AVDD = DVDD = REFP = 5V, and REFN = AGND, unless otherwise noted.
INTEGRAL NONLINEARITY
vs INPUT SIGNAL
INTEGRAL NONLINEARITY
vs INPUT SIGNAL
10
5
1.0
0.5
-20°C
+25°C
+70°C
0
-20°C
0
-0.5
-1.0
-1.5
-2.0
+85°C
-40°C
+25°C
+70°C
-5
-10
PGA = 64
Data Rate = 10SPS
PGA = 128
Data Rate = 10SPS
-40°C
+85°C
-40 -30 -20 -10
0
10
20
30
40
-20 -10
0
10
20
VIN (mV)
VIN (mV)
Figure 13.
Figure 14.
ANALOG CURRENT vs TEMPERATURE
(Normal Mode)
DIGITAL CURRENT vs TEMPERATURE
(Normal Mode)
1200
1000
800
600
400
200
0
97
96
95
94
93
92
91
90
89
88
PGA = 64, 128
PGA = 128
PGA = 64
0
-50
-25
0
25
50
75
100
-50
-25
25
50
75
100
Temperature (°C)
Temperature (°C)
Figure 15.
Figure 16.
DATA RATE
vs TEMPERATURE
9.85
9.80
9.75
9.70
-50
-25
0
25
50
75
100
Temperature (°C)
Figure 17.
9
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