Datasheet

AD8221
Rev. C | Page 14 of 24
1s/DIV2µV/DIV
03149-027
Figure 28. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1)
1s/DIV0.1µV/DIV
03149-028
Figure 29. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1000)
CURRENT NOISE (fA/ Hz)
10
100
1k
FREQUENCY (Hz)
101 100 1k 10k
03149-029
Figure 30. Current Noise Spectral Density vs. Frequency
1s/DIV5pA/DIV
03149-030
Figure 31. 0.1 Hz to 10 Hz Current Noise
0
5
10
15
20
25
30
OUTPUT VOLTAGE (V p-p)
FREQUENCY (Hz)
1k 100k10k 1M
03149-031
GAIN = 1 GAIN = 10, 100, 1000
V
S
= ±15V
Figure 32. Large Signal Frequency Response
20µs/DIV
0.002%/DIV
7.9µs TO 0.01%
8.5µs TO 0.001%
5V/DIV
03149-032
Figure 33. Large Signal Pulse Response and Settling Time (G = 1), 0.002%/DIV