Datasheet

140
120
100
80
60
40
20
0
Power-SupplyandCommon-ModeFrequency(Hz)
PSRandCMR(dB)
1M10 100 1k 10k 100k
CMR
DVDD
AVDD,AVSS
DVDD
CMR
AVDD
AVSS
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
Temperature( C)°
Power-SupplyCurrent(mA)
125
DVDD
-55 -35 -15 5 25 45 65 85 105
AVDD,AVSS(InternalReferenceOn)
2.501
2.500
2.499
2.498
2.497
2.496
Temperature( C)°
InternalReferenceVoltage(V)
125-50 -25 0 25 50 75 100
ADS1259B
2.504
2.502
2.500
2.498
2.496
2.494
Temperature( C)°
InternalReferenceVoltage(V)
125-55 -35 -15 5 25 45 65 85 105
ADS1259
2.0
1.6
1.2
0.8
0.4
0
0.4
0.8
1.2
1.6
2.0
-
-
-
-
-
Temperature( C)°
ThresholdError(%)
125-55 -35 -15 5 25 45 65 85 105
5Units
18
16
14
12
10
8
6
4
2
0
ThresholdError(%)
Occurrences
2.0
Relativeto 105%
30Units
±
0.4
0
-0.4
-0.8
-1.2
-1.6
-2.0
-1.8
-1.4
-1.0
-0.6
-0.2
0.2
0.6
1.0
1.4
1.8 0.8
1.2
1.6
ADS1259
SBAS424D –JUNE 2009– REVISED AUGUST 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = 3.3V, V
REF
= 2.5V, VREFN = AVSS, f
CLK
= 7.3728MHz, and
f
DATA
= 60SPS, unless otherwise noted.
POWER-SUPPLY AND COMMON-MODE REJECTION vs
FREQUENCY POWER-SUPPLY CURRENT vs TEMPERATURE
Figure 20. Figure 21.
INTERNAL REFERENCE VOLTAGE vs TEMPERATURE INTERNAL REFERENCE VOLTAGE vs TEMPERATURE
Figure 22. Figure 23.
OUT-OF-RANGE THRESHOLD DISTRIBUTION
HISTOGRAM OUT-OF-RANGE THRESHOLD vs TEMPERATURE
Figure 24. Figure 25.
10 Copyright © 2009–2011, Texas Instruments Incorporated