Datasheet

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0
20
40
60
80
100
120
140
160
180
200
2.7 3.2 3.7 4.2 4.7 5.2
ADS7829
V
ref
= 2.5 V
ADS7827
V
CC
− Supply Voltage − V
Delta From 2.7 V − Aµ
ADS7826
0
0.2
0.4
0.6
0.8
1
1.2
2.7 3.2 3.7 4.2 4.7 5.2
ADS7826
ADS7827
ADS7829
V
CC
− Supply Voltage − V
Delta From 2.7 V − LSB
V
ref
= 2.5 V
Sample Rate − kHz
15
10
5
0 25 50 75 100 125 150
Reference Current −
20
30
175 200 225 250
25
0
Aµ
Reference Voltage - V
0.2
0
-0.4
1 2 3
Change in Offset - LSB
0.6
0.8
1.2
4 5
1
-0.2
-0.8
0.4
-0.6
V
CC
= 5 V
Reference Voltage - V
5
4
2
0.1 1
Peak-To-Peak Noise - LSB
6
8
10
10
9
3
1
7
V
CC
= 5 V
0
Reference Voltage - V
0.5
0
-1
0 2 3
Change in Gain - dB
1
1.5
2.5
4 5
2
-0.5
-1.5
V
CC
= 5 V
ADS7826
ADS7827
ADS7829
SLAS388–JUNE 2003
TYPICAL CHARACTERISTICS (continued)
At T
A
= 25°C, V
CC
= 2.7 V, V
ref
= 25 V, (unless otherwise specified)
CHANGE IN GAIN CHANGE IN QUIESCENT CURRENT
vs vs
SUPPLY VOLTAGE SUPPLY VOLTAGE
Figure 19.
Figure 20.
ADS7829
REFERENCE CURRENT CHANGE IN OFFSET ERROR
vs vs
SAMPLE RATE REFERENCE VOLTAGE
Figure 21.
Figure 22.
ADS7829 ADS7829
CHANGE IN GAIN ERROR PEAK-TO-PEAK NOISE
vs vs
REFERENCE VOLTAGE REFERENCE VOLTAGE
Figure 23.
Figure 24.
10