Datasheet

0
0.1
0.2
0.3
0.4
0.5
0 0.2 0.4 0.6 0.8 1
f
SAMPLE
, Sample Rate (MSPS)
HVDD Dynamic Current (mA)
HVDD = 15V
HVSS = −15V
G008
−0.5
−0.45
−0.4
−0.35
−0.3
−0.25
−0.2
2.7 3.2 3.7 4.2 4.7 5.2 5.7
AVDD (V)
HVSS Dynamic Current (mA)
G009
−0.5
−0.45
−0.4
−0.35
−0.3
−40 −25 −10 5 20 35 50 65 80 95 110 125
Free-Air Temperature (°C)
HVSS Dynamic Current (mA)
HVDD = 15V
G010
−0.5
−0.45
−0.4
−0.35
−0.3
−0.25
−0.2
−0.15
−0.1
−0.05
0
−15 −12 −9 −6 −3 0
HVSS, Negative High-Voltage Supply (V)
HVSS Dynamic Current (mA)
G011
−0.5
−0.4
−0.3
−0.2
−0.1
0
0 0.2 0.4 0.6 0.8 1
f
SAMPLE
, Sample Rate (MSPS)
HVSS Dynamic Current (mA)
HVDD = 15V
HVSS = −15V
G012
−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
0 512 1024 1536 2048 2560 3072 3584 4095
ADC Output Code (LSB)
Differential Nonlinearity (LSB)
G066
ADS8634
ADS8638
SBAS541A –MAY 2011– REVISED AUGUST 2011 www.ti.com
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.
POSITIVE HIGH-VOLTAGE SUPPLY CURRENT (Dynamic) NEGATIVE HIGH-VOLTAGE SUPPLY CURRENT (Dynamic)
vs SAMPLE RATE vs ANALOG SUPPLY VOLTAGE
Figure 63. Figure 64.
NEGATIVE HIGH-VOLTAGE SUPPLY CURRENT (Dynamic) NEGATIVE HIGH-VOLTAGE SUPPLY CURRENT (Dynamic)
vs FREE-AIR TEMPERATURE vs NEGATIVE HIGH-VOLTAGE SUPPLY
Figure 65. Figure 66.
NEGATIVE HIGH-VOLTAGE SUPPLY CURRENT (Dynamic)
vs SAMPLE RATE DNL
Figure 67. Figure 68.
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