Datasheet

−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2.7 3.2 3.7 4.2 4.7 5.2 5.7
Maximum DNL
Minimum DNL
AVDD (V)
Differential Nonlinearity (LSB)
G013
−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
±2.5V ±5V ±10V 0−5V 0−10V
Maximum DNL
Minimum DNL
Signal Range
Differential Nonlinearity (LSB)
G014
−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2 2.2 2.4 2.6 2.8 3
Maximum DNL
Minimum DNL
Reference Voltage (V)
Differential Nonlinearity (LSB)
G015
−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0 1 2 3 4 5 6 7
Maximum DNL
Minimum DNL
Channel Number
Differential Nonlinearity (LSB)
G016
−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
−40 −25 −10 5 20 35 50 65 80 95 110 125
Maximum DNL
Minimum DNL
Free-Air Temperature (°C)
Differential Nonlinearity (LSB)
G017
−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2.5 5 7.5 10 12.5 15
Maximum DNL
Minimum DNL
HVDD, Positive High-Voltage Supply (V)
Differential Nonlinearity (LSB)
G018
ADS8634
ADS8638
SBAS541A –MAY 2011– REVISED AUGUST 2011 www.ti.com
TYPICAL CHARACTERISTICS
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.
DNL vs ANALOG SUPPLY VOLTAGE DNL vs SIGNAL RANGE
Figure 3. Figure 4.
DNL vs REFERENCE VOLTAGE DNL vs CHANNEL NUMBER
Figure 5. Figure 6.
DNL vs FREE-AIR TEMPERATURE DNL vs POSITIVE HIGH-VOLTAGE SUPPLY
Figure 7. Figure 8.
10 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): ADS8634 ADS8638