Datasheet

3
2
1
0
1
2
3
-
-
-
Time(sec)
Input-ReferredNoise( V)m
1 20 103 4 5 6 7 8 9
Peak-to-PeakOver10sec=5 Vm
1600
1400
1200
1000
800
600
400
200
0
Input-ReferredNoise( V)m
Occurrences
-2.88
-2.35
-1.85
-1.35
-0.84
-0.34
0.17 1.17 2.18 0.67 1.68
2.408
2.406
2.404
2.402
2.4
2.398
2.396
-40
85
Temperature( C)°
InternalReference(V)
-15 10
6035
-130
125
120
115
110
105
100
95
90
85
-
-
-
-
-
-
-
-
-
10
1k
Frequency(Hz)
Common-ModeRejectionRatio(dB)
100
Gain=1
DataRate=4kSPS
AIN=AVDD 0.3VtoAVSS+0.3V-
Gain=2
Gain=3
Gain=4
Gain=6
Gain=8
Gain=12
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
0.3
4.8
InputVoltage(V)
InputLeakageCurrent(nA)
2.3
AVDD AVSS=5V
PGA=1
-
1.81.30.8 2.8 3.3 3.8 4.3
1200
1000
800
600
400
200
0
-40
85
Temperature( C)°
LeakageCurrent(pA)
3510-15 60
ADS1294, ADS1294R
ADS1296, ADS1296R
ADS1298, ADS1298R
SBAS459I –JANUARY 2010–REVISED JANUARY 2012 www.ti.com
TYPICAL CHARACTERISTICS
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, High-Resolution mode, and gain = 6, unless otherwise noted.
INPUT-REFERRED NOISE NOISE HISTOGRAM
Figure 3. Figure 4.
INTERNAL REFERENCE vs TEMPERATURE CMRR vs FREQUENCY
Figure 5. Figure 6.
LEAKAGE CURRENT vs INPUT VOLTAGE LEAKAGE CURRENT vs TEMPERATURE
Figure 7. Figure 8.
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