ADS1226 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADS1226 Datasheet PDF : 24 Pages
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ADS1225
ADS1226
SBAS346 – MAY 2006
TYPICAL CHARACTERISTICS (continued)
At TA = –40°C to +85°C, AVDD = +5V, DVDD = +3V, and VREF = +5V, unless otherwise noted.
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INTEGRAL NONLINEARITY vs INPUT VOLTAGE
15
-40°C
10
Buffer Off
-10°C
5
+25°C
0
-5
+105°C
+55°C
-10
+85°C
-15
-5 -4 -3 -2 -1 0 1 2 3 4 5
Input Voltage, VIN (V)
Figure 7.
INTEGRAL NONLINEARITY vs INPUT VOLTAGE
10
-40°C
8
-10°C
6
+25°C
4
Buffer On
2
0
+55°C
-2
+85°C
-4
+105°C
-6
-8
-10
-3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5
Input Voltage, VIN (V)
Figure 8.
OFFSET vs TEMPERATURE
20
0.002
GAIN ERROR vs TEMPERATURE
10
0.001
0
-10
0
-20
-0.001
-30
-40
-50 -25
0
25
50
75 100 125
Temperature (°C)
Figure 9.
-0.002
-50 -25
0
25
50
75
Temperature (°C)
100 125
Figure 10.
NOISE vs INPUT VOLTAGE
3.5
High-Speed Mode
3.0 Buffer Off
2.5
2.0
1.5
1.0
0.5
0
-5 -4 -3 -2 -1 0 1 2 3 4 5
Input Voltage, VIN (V)
Figure 11.
NOISE vs INPUT VOLTAGE
3.0
High-Speed Mode
2.5 Buffer On
2.0
1.5
1.0
0.5
0
-3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5
Input Voltage, VIN (V)
Figure 12.
8
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