Datasheet

8
6
4
2
0
2
4
6
8
-
-
-
-
INL(LSB)
-2.0-2.5 -1.5 -1.0 -0.5
0 0.5 1.0 1.5 2.0 2.5
DifferentialInputVoltage(V)
- °40 C
+25°C
+85°C
+105°C
4
3
2
1
0
1
2
3
4
-
-
-
-
INLMatch(LSB)
-2.0-2.5 -1.5 -1.0 -0.5
0 0.5 1.0 1.5 2.0 2.5
DifferentialInputVoltage(V)
- °40 C
+25°C
+85°C
+105°C
8
6
4
2
0
2
4
6
8
-
-
-
-
INL(LSB)
-40
125
Temperature( )°C
-25
110958065503520
-10
5
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
-
-
-
-
-
-
OffsetError(mV)
4.64.5 4.7 4.8 4.9
5.0 5.1 5.2 5.3 5.4 5.5
AVDD(V)
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
-
-
-
-
-
-
OffsetErrorandMatch(mV)
-40
125
Temperature( )°C
-25
110958065503520
-10
5
OffsetMatch
Offset
0.5
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
-
-
-
-
-
GainErrorandMatch(%FSR)
-40
125
Temperature( )°C
-25
110958065503520
-10
5
GainMatch
Gain
ADS1209
SBAS491 –FEBRUARY 2010 www.ti.com
TYPICAL CHARACTERISTICS
At AVDD = 5V, BVDD = 3V, CHx+ = +0.2V to +4.8V, CHx– = +2.5V, V
REFIN
= V
REFOUT
= 2.5V (internal), CLKSEL = 1, and
16-bit Sinc
3
filter, with OSR = 256, unless otherwise noted.
INTEGRAL NONLINEARITY INTEGRAL NONLINEARITY MATCH
vs INPUT SIGNAL VOLTAGE vs INPUT SIGNAL
Figure 2. Figure 3.
INTEGRAL NONLINEARITY OFFSET ERROR
vs TEMPERATURE vs ANALOG SUPPLY VOLTAGE
Figure 4. Figure 5.
OFFSET ERROR AND MATCH GAIN ERROR AND MATCH
vs TEMPERATURE vs TEMPERATURE
Figure 6. Figure 7.
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