Datasheet

84
84.5
85
85.5
86
86.5
87
87.5
88
0 1 2 3 4 5 6 7
Channel Number
Spurious-Free Dynamic Range (dB)
G061
82
83
84
85
86
87
88
−40 −25 −10 5 20 35 50 65 80 95 110 125
Free-Air Temperature (°C)
Spurious-Free Dynamic Range (dB)
G062
82
83
84
85
86
87
88
2.5 5 7.5 10 12.5 15
HVDD, Positive High-Voltage Supply (V)
Spurious-Free Dynamic Range (dB)
G063
84
85
86
87
88
89
90
0 15 30 45 60 75 90 105
f
IN
, Input Frequency (kHz)
Spurious-Free Dynamic Range (dB)
G064
−120
−110
−100
−90
−80
−70
0 15 30 45 60 75 90 105
Memory Crosstalk
Isolation Crosstalk
f
IN
, Input Frequency (kHz)
Crosstalk (dB)
G065
1
1.5
2
2.5
3
3.5
2.7 3.2 3.7 4.2 4.7 5.2 5.7
AVDD (V)
AVDD Dynamic Current (mA)
HVDD = 15V
HVSS = −15V
G001
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.
SFDR vs CHANNEL NUMBER SFDR vs FREE-AIR TEMPERATURE
Figure 51. Figure 52.
SFDR vs POSITIVE HIGH-VOLTAGE SUPPLY SFDR vs INPUT FREQUENCY
Figure 53. Figure 54.
ANALOG SUPPLY CURRENT (Dynamic)
CROSSTALK vs INPUT FREQUENCY vs ANALOG SUPPLY VOLTAGE
Figure 55. Figure 56.
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