Datasheet

AD8227
Rev. 0 | Page 15 of 24
40
30
20
10
0
–10
–20
–30
–40
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (10ppm/DIV)
9-039
1k
100
10
1 10 100 1k 10k 100k
FREQUENCY (Hz)
NOISE (nV/
OUTPUT VOLTAGE (V)
0775
G = 10
Figure 39. Gain Nonlinearity, G = 10, R
L
≥ 2 kΩ
160
120
80
40
0
–40
–80
–120
–160
–10–8–6–4–2 0 2 4 6 8 10
NONLINEARITY (40ppm/DIV)
9-040
OUTPUT VOLTAGE (V)
0775
G = 100
Figure 40. Gain Nonlinearity, G = 100, R
L
≥ 2 kΩ
400
300
200
100
0
–100
–200
NONLINEARITY (100ppm/DIV)
–300
–400
–10–8–6–4–2 0 2 4 6 8 10
OUTPUT VOLTAGE (V)
07759-041
G = 1000
Figure 41. Gain Nonlinearity, G = 1000, R
L
≥ 2 kΩ
Hz)
07759-042
G = 5 (67nV/ Hz)
G = 10 (40nV/ Hz)
G = 100 (26nV/ Hz)
G = 1000 (25nV/ Hz)
BANDWIDTH
LIMITED
Figure 42. Voltage Noise Spectral Density vs. Frequency
G = 1000, 200nV/DIV
G = 5, 1µV/DIV
7759-0430
Figure 43. 0.1 Hz to 10 Hz RTI Voltage Noise, G = 5, G = 1000
1k
100
NOISE (fA/
10
1 10 100 1k 10k
FREQUENCY (Hz)
07759-044
Figure 44. Current Noise Spectral Density vs. Frequency
Hz)