AD8221

Rev. A | Page 9 of 20

0

20

10

30

LOAD RESISTANCE (

Ω)

10

1

100

1k

10k

Figure 21. Output Voltage Swing vs. Load Resistance

+1

+2

+3

–3

–2

–1

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10

11

12

OUTPUT CURRENT (mA)

SOURCING

SINKING

Figure 22. Output Voltage Swing vs. Output Current, G = 1

–10

–8–6–4–2

0

2

4

6

8

10

OUTPUT VOLTAGE (V)

–10

–8–6–4–2

0

2

4

6

8

10

OUTPUT VOLTAGE (V)

–10

–8–6–4–2

0

2

4

6

8

10

OUTPUT VOLTAGE (V)

1

100

10

1k

1

10

100

1k

10k

100k

FREQUENCY (Hz)

GAIN = 1

GAIN = 1000

BW LIMIT

GAIN = 10

GAIN = 100

GAIN = 1000

Figure 26. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)