AD8221

Rev. A | Page 10 of 20

1s/DIV

2

µV/DIV

Figure 27. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1)

1s/DIV

0.1

µV/DIV

Figure 28. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1000)

10

100

1k

FREQUENCY (Hz)

10

1

100

1k

10k

Figure 29. Current Noise Spectral Density vs. Frequency

1s/DIV

5pA/DIV

Figure 30. 0.1 Hz to 10 Hz Current Noise

0

5

10

15

20

25

30

FREQUENCY (Hz)

1k

100k

10k

1M

GAIN = 1

GAIN = 10, 100, 1000

Figure 31. Large Signal Frequency Response

20

µs/DIV

10mV/DIV

7.9

µs TO 0.01%

8.5

µs TO 0.001%

5V/DIV

Figure 32. Large Signal Pulse Response and Settling Time (G = 1), 0.002%/div