Datasheet
2.985
2.99
2.995
3
3.005
3.01
3.015
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
VREF (V)
G025
14
18
22
26
30
34
38
42
46
50
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
IAVDD (mA)
f
DATA
= MAX
f
DATA
= 250kSPS (Auto-Sleep)
G026
0
5
10
15
20
25
30
35
40
45
50
0 51 102 153 204 255 306 357 408 459 510
Sample Rate (kSPS)
IAVDD (mA)
Normal Operation
Auto-Sleep Mode
G027
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
IDVDD (mA)
f
DATA
= MAX
f
DATA
= 250kSPS (Auto-Sleep)
G028
1
1.5
2
2.5
3
3.5
4
4.5
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
IHVxx (mA)
IHVDD (f
DATA
= MAX)
IHVSS (f
DATA
= MAX)
IHVDD (f
DATA
= 250kSPS, Auto-Sleep)
IHVSS (f
DATA
= 250kSPS, Auto-Sleep)
G029
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5 6 7 8 9 10 11 12 13 14 15
HVDD, HVSS (V)
IHVxx (mA)
IHVDD (f
DATA
= MAX)
IHVSS (f
DATA
= MAX)
IHVDD (f
DATA
= 250kSPS, Auto-Sleep)
IHVSS (f
DATA
= 250kSPS, Auto-Sleep)
G030
ADS8528
ADS8548
ADS8568
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SBAS543A –AUGUST 2011– REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS (continued)
Graphs are valid for all devices of the family, at T
A
= +25°C, HVDD = 15V, HVSS = –15V, AVDD = 5V, and DVDD = 3.3V,
VREF = 2.5V (internal), V
IN
= ±10V, and f
DATA
= maximum, unless otherwise noted.
INTERNAL REFERENCE VOLTAGE vs TEMPERATURE
(3.0V Mode) ADS8568 ANALOG SUPPLY CURRENT vs TEMPERATURE
Figure 29. Figure 30.
ADS8568 ANALOG SUPPLY CURRENT vs DATA RATE BUFFER I/O SUPPLY CURRENT vs TEMPERATURE
Figure 31. Figure 32.
ADS8568 INPUT SUPPLY CURRENT vs INPUT SUPPLY
ADS8568 INPUT SUPPLY CURRENT vs TEMPERATURE VOLTAGE
Figure 33. Figure 34.
Copyright © 2011, Texas Instruments Incorporated 23
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