Datasheet

0
10
20
30
40
50
60
70
80
-
-
-
-
-
-
-
-
Gain (dB)
1 10 100 1k 10k
Input Frequency (Hz)
Data Rate = 8 SPS
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
−40 −20 0 20 40 60 80 100 120 140
Temperature (°C)
Power−Down Current (dB)
VDD = 2.0 V
VDD = 3.3 V
VDD = 5.0 V
G003
−0.02
−0.015
−0.01
−0.005
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
−0.02
−0.015
−0.01
−0.005
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0
50
100
150
200
Gain Error (%)
Number of Occurrences
540 units from 3 production lots
FS = ±2.048V
G000
300
250
200
150
100
50
0
Operating Current ( A)m
-40 -20 0 20 40 60 80 100 120 140
Temperature ( C)°
VDD = 5 V
VDD = 2 V
VDD = 3.3 V
0.15
0.1
0.05
0
0.05
0.1
0.15
-
-
-
Gain Error (%)
2 2.5 3 3.5 4 4.5 5 5.5
Supply Voltage (V)
FS = 256 mV±
FS = 2.048 V±
−0.05
−0.04
−0.03
−0.02
−0.01
0
0.01
0.02
0.03
0.04
0.05
−40 −20 0 20 40 60 80 100 120 140
Temperature (°C)
Gain Error (%)
FS = ±0.256V
FS = ±0.512V
FS = ±1.024V
FS = ±2.048V
FS = ±4.096V
FS = ±6.144V
G008
ADS1118
SBAS457D –OCTOBER 2010–REVISED OCTOBER 2013 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C and VDD = 3.3 V, unless otherwise noted.
GAIN ERROR vs TEMPERATURE GAIN ERROR vs SUPPLY
Figure 20. Figure 21.
GAIN ERROR HISTOGRAM OPERATING CURRENT vs TEMPERATURE
Figure 22. Figure 23.
POWER-DOWN CURRENT vs TEMPERATURE FREQUENCY RESPONSE
Figure 24. Figure 25.
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