Datasheet

Temperature( C)°
-50 -25 0 25 50 75 100
6
5
4
3
2
1
0
1
2
3
4
5
6
-
-
-
-
-
-
D Offset(LSBrelativeto+25 C)°
VA=VBD=5.0V
V =4.096V
REF
VA=VBD=2.7V
V =2.500V
REF
Temperature( C)°
-50 -25 0 25 50 75 100
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1.0
-
-
-
-
-
DIA(mArelativeto+25 C)°
VA=VBD=2.7V
V =2.500V
REF
VA=VBD=5.0V
V =4.096V
REF
VA(V)
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
12.2
11.7
11.2
10.7
10.2
Frequency(MHz)
V =2.500V
REF
V =4.096V
REF
Temperature( C)°
-50 -25 0 25 50 75 100
4
3
2
1
0
1
2
3
4
-
-
-
-
D Gain(LSBrelativeto+25 C)°
VA=VBD=5.0V
V =4.096V
REF
VA=VBD=2.7V
V =2.500V
REF
SamplingRate(kHz)
0 50 250 300 350 400 450
8
7
6
5
4
3
2
1
0
IA(mA)
100 150 200
VA=VBD=5.0V
V =4.096V
REF
VA=VBD=2.7V
V =2.500V
REF
Temperature(°C)
-50 -25 0 25 50 75 100
120
100
80
60
40
20
0
DeepPower-DownCurrent(nA)
VA=VBD=2.7V
V =2.500V
REF
VA=VBD=5.0V
V =4.096V
REF
ADS8331
ADS8332
www.ti.com SBAS363C –DECEMBER 2009–REVISED MAY 2012
TYPICAL CHARACTERISTICS: DC Performance (continued)
At T
A
= +25°C, V
REF
(REF+ – REF–) = 4.096V when VA = VBD = 5V or V
REF
(REF+ – REF–) = 2.5V when VA = VBD = 2.7V,
f
SCLK
= 21MHz, and f
SAMPLE
= 500kSPS, unless otherwise noted.
ANALOG SUPPLY CURRENT DEEP POWER-DOWN CURRENT
vs SAMPLING RATE IN AUTO-NAP MODE vs TEMPERATURE
Figure 11. Figure 12.
INTERNAL CLOCK FREQUENCY CHANGE IN GAIN
vs ANALOG SUPPLY VOLTAGE vs TEMPERATURE
Figure 13. Figure 14.
CHANGE IN OFFSET CHANGE IN ANALOG SUPPLY CURRENT
vs TEMPERATURE vs TEMPERATURE
Figure 15. Figure 16.
Copyright © 2009–2012, Texas Instruments Incorporated 13