Datasheet

1
2
3
4
5
6
7
8
9
10
−40 −20 0 20 40 60 80 100 120
Temperature (°C)
RMS Noise (µV)
FS = ±2.048V
Data Rate = 8SPS
G019
0
2.5
5
7.5
10
12.5
15
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Voltage (V)
Integral Nonlinearity (ppm)
FS = ±0.256V
FS = ±0.512V
FS = ±2.048V
FS = ±6.144V
G010
0
2
4
6
8
10
−0.5 −0.4 −0.3 −0.2 −0.1 0 0.1 0.2 0.3 0.4 0.5
DR = 8SPS
DR = 128SPS
DR = 860SPS
Input Voltage (V)
RMS Noise (µV)
FS = ±0.512V
G017
0
5
10
15
20
25
30
35
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
DR = 8SPS
DR = 128SPS
DR = 860SPS
Supply Voltage (V)
RMS Noise (µV)
FS = ±2.048V
G018
Total Error (mV)
4
3
2
1
0
1
2
3
4
-
-
-
-
-2.048 -1.024 0 1.024 2.048
Input Signal (V)
Includes noise, offset, and gain error.
FS = 2.048 V
Data Rate = 860 SPS
Differential Inputs
±
−4
−3
−2
−1
0
1
2
3
4
−60 −40 −20 0 20 40 60 80 100 120 140
Temperature (°C)
Data Rate Error (%)
VDD = 2.0 V
VDD = 3.3 V
VDD = 5.0 V
G028
ADS1118
www.ti.com SBAS457D –OCTOBER 2010–REVISED OCTOBER 2013
TYPICAL CHARACTERISTICS
At T
A
= +25°C and VDD = 3.3 V, unless otherwise noted.
TOTAL ERROR vs INPUT SIGNAL DATA RATE vs TEMPERATURE
Figure 2. Figure 3.
NOISE vs INPUT SIGNAL NOISE vs SUPPLY VOLTAGE
Figure 4. Figure 5.
NOISE vs TEMPERATURE INL vs SUPPLY VOLTAGE
Figure 6. Figure 7.
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