Datasheet

AD8422 Data Sheet
Rev. 0 | Page 16 of 24
–20
–16
–12
–8
–4
0
4
8
12
16
20
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
R
L
= 2kΩ
R
L
= 10kΩ
V
S
= ±15V
G = 100
11197-041
Figure 40. Gain Nonlinearity (G = 100)
–50
–40
–30
–20
–10
0
10
20
30
40
50
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
R
L
= 2kΩ
R
L
= 10kΩ
V
S
= ±15V
G = 1000
11197-042
Figure 41. Gain Nonlinearity (G = 1000)
1
10
100
1k
0.1 1 10 100 1k 10k 100k
VOLTAGE NOISE RTI (nV/√Hz)
FREQUENCY (Hz)
G = 1
G = 10
G = 1000
G = 100
11197-043
Figure 42. Voltage Noise Spectral Density vs. Frequency
11197-044
G = 1000, 100nV/DIV
1s/DIV
G = 1, 1µV/DIV
Figure 43. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1, G = 1000)
10
100
1k
10k
1 10 100 1k 10k
CURRENT NOISE (fA/√Hz)
FREQUENCY (Hz)
11197-045
Figure 44. Current Noise Spectral Density vs. Frequency
11197-046
1s/DIV
5pA/DIV
Figure 45. 0.1 Hz to 10 Hz Current Noise