Datasheet
AD8420 Data Sheet
Rev. 0 | Page 16 of 28
1k
100
10
1 10 100 100k10k1k
NOISE (fA/ Hz)
FREQUENCY (Hz)
09945-348
Figure 45. Current Noise Spectral Density vs. Frequency
0
9945-147
1.5pA/DIV 1s/DIV
Figure 46. 0.1 Hz to 10 Hz Current Noise
30
0
3
6
9
12
15
18
21
24
27
1 10 100 1k 10k 100k 1M
OUTPUT VOLTAGE (V p-p)
FREQUENCY (Hz)
09945-148
V
S
= ±15V, G = 15V/V
V
S
= +5V, G = 5V/V
Figure 47. Large Signal Frequency Response
0.02%/DIV
1V/DIV
20µs/DIV
V
S
= ±5V
1.78µs TO 0.1%
3.31µs TO 0.01%
09945-149
Figure 48. Large Signal Pulse Response and Settling Time, G = 1
0.02%/DIV
4.5V/DIV
200µs/DIV
V
S
= ±5V
67µs TO 0.1%
138µs TO 0.01%
09945-150
Figure 49. Large Signal Pulse Response and Settling Time, G = 10
0.02%/DIV
4.5V/DIV
20ms/DIV
V
S
= ±5V
600ms TO 0.1%
1.04ms TO 0.01%
09945-151
Figure 50. Large Signal Pulse Response and Settling Time, G = 100