Datasheet

−8
−6
−4
−2
0
2
4
6
8
2.7 3.2 3.7 4.2 4.7 5.2 5.7
AVDD (V)
Gain Error (LSB)
G031
−8
−6
−4
−2
0
2
4
6
8
±2.5V ±5V ±10V 0−5V 0−10V
Signal Range
Gain Error (LSB)
G032
−8
−6
−4
−2
0
2
4
6
8
2 2.2 2.4 2.6 2.8 3
Reference Voltage (V)
Gain Error (LSB)
G033
−8
−6
−4
−2
0
2
4
6
8
0 1 2 3 4 5 6 7
Channel Number
Gain Error (LSB)
G034
−8
−6
−4
−2
0
2
4
6
8
−40 −25 −10 5 20 35 50 65 80 95 110 125
Free-Air Temperature (°C)
Gain Error (LSB)
G035
−8
−6
−4
−2
0
2
4
6
8
2.5 5 7.5 10 12.5 15
HVDD, Positive High-Voltage Supply (V)
Gain Error (LSB)
G036
ADS8634
ADS8638
www.ti.com SBAS541A –MAY 2011– REVISED AUGUST 2011
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, internal reference = 2.5V, channel 0, range = ±2.5V, AVDD = 2.7V, DVDD = 1.8V, HVDD = 10V, HVSS
= –10V, and f
SAMPLE
= 1MSPS, unless otherwise noted.
GAIN ERROR vs ANALOG SUPPLY VOLTAGE GAIN ERROR vs SIGNAL RANGE
Figure 21. Figure 22.
GAIN ERROR vs REFERENCE VOLTAGE GAIN ERROR vs CHANNEL NUMBER
Figure 23. Figure 24.
GAIN ERROR vs FREE-AIR TEMPERATURE GAIN ERROR vs POSITIVE HIGH-VOLTAGE SUPPLY
Figure 25. Figure 26.
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