Datasheet

80
85
90
95
100
105
110
10 100 1000
Frequency (Hz)
Power−Supply Rejection Ratio (dB)
G = 1
G = 2
G = 4
G = 8
G = 12
G007
−14
−12
−10
−8
−6
−4
−2
0
2
4
6
8
10
12
14
−1 −0.8 −0.6 −0.4 −0.2 0 0.2 0.4 0.6 0.8 1
Input (Normalized to Full−Scale)
Integral Nonlinearity (ppm)
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 12
G008
−130
−125
−120
−115
−110
−105
−100
−95
−90
10 100 1000
Frequency (Hz)
CMRR (dB)
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 12
Data Rate = 4 kSPS
A
IN
= AVDD − 0.3 V to AVSS + 0.3 V
G005
−95
−90
−85
−80
−75
10 100 1000
Frequency (Hz)
Total Harmonic Distortion (dB)
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 12
G006
−9 −8 −7 −6 −5 −4 −3 −2 −1
0 1 2 3 4 5 6 7 8 9
−9 −8 −7 −6 −5 −4 −3 −2 −1
0 1 2 3 4 5 6 7 8 9
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
Input−Referred Noise (µV)
Occurences
Data Rate = 1 kSPS
Gain = 1
G004
−10
−8
−6
−4
−2
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
Time (s)
Input−Referred Noise (µV)
Data Rate = 1 kSPS
Gain = 1
G003
ADS131E04
ADS131E06
ADS131E08
www.ti.com SBAS561A –JUNE 2012–REVISED APRIL 2013
TYPICAL CHARACTERISTICS
All plots are at T
A
= +25°C, AVDD = 3 V, AVSS = 0 V, DVDD = 1.8 V, internal VREFP = 2.4 V, VREFN = AVSS, external
clock = 2.048 MHz, data rate = 8 kSPS, and gain = 1, unless otherwise noted.
INPUT-REFERRED NOISE NOISE HISTOGRAM
Figure 3. Figure 4.
CMRR vs FREQUENCY THD vs FREQUENCY
Figure 5. Figure 6.
PSRR vs FREQUENCY INL vs PGA GAIN
Figure 7. Figure 8.
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