Datasheet

0
8
NumberofChannelsEnabled
Power(mW)
1 5
AVDD=3V
AVDD=5V
9
8
7
6
5
4
3
2
1
0
6 7432
10
1k
Frequency(Hz)
Power-SupplyRejectionRatio(dB)
100
f =4kSPS
DR
105
100
95
90
85
80
75
70
Gain=1
Gain=2
Gain=3
Gain=4
Gain=6
Gain=8
Gain=12
3.61
ErrorCurrent(nA)
NumberofOccurrences
-2 1.51
Mean=0.78
=0.92s
140
120
100
80
60
40
20
0
2.21 2.910.820.12-1.3 -0.6
0.1
3.1
InputCommon-ModeVoltage(V)
InputLeakageCurrent(pA)
2.6
120
100
80
60
40
20
0
2.11.61.10.6
0
70
Temperature( C)°
LeakageCurrent(pA)
60
1000
900
800
700
600
500
400
300
200
100
0
40302010 50
ADS1194, ADS1196
ADS1198
SBAS471C –APRIL 2010– REVISED NOVEMBER 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
All plots at T
A
= +25°C, AVDD = 3V, AVSS = 0V, DVDD = 1.8V, internal VREFP = 2.4V, VREFN = AVSS, external
clock = 2.048MHz, data rate = 500SPS, and gain = 6, unless otherwise noted.
PSRR vs FREQUENCY ADS1198 CHANNEL POWER
Figure 9. Figure 10.
16nA LEADOFF CURRENT ACCURACY DISTRIBUTION INPUT LEAKAGE vs INPUT VOLTAGE
Figure 11. Figure 12.
INPUT LEAKAGE CURRENT vs TEMPERATURE
Figure 13.
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