Data Sheet

AD8222

Rev. B | Page 11 of 24

30

0

10

20

1

10

100

1k

10k

LOAD RESISTANCE (Ω)

Figure 22. Output Voltage Swing vs. Load Resistance

–1

–2

–3

+3

+2

+1

012

11

10

9

8

7

6

5

4

3

2

1

OUTPUT CURRENT (mA)

SINKING

SOURCING

Figure 23. Output Voltage Swing vs. Output Current, G = 1

–10

–8

–6

–4

–2

0

2

4

6

8

10

2kΩ LOAD

600Ω LOAD

10kΩ LOAD

4

3

2

1

0

–1

–2

–3

–4

Figure 24. Gain Nonlinearity, G = 1

–10

–8

–6

–4

–2

02468

10

2kΩ LOAD

600Ω LOAD

10kΩ LOAD

40

30

20

10

0

–10

–20

–30

–40

Figure 25. Gain Nonlinearity, G = 100

110

1

10

100

1k

100

1k

10k

100k

FREQUENCY (Hz)

GAIN = 1

GAIN = 10

GAIN = 100

GAIN = 1000

GAIN = 1000

BW LIMIT

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

2µV/DIV

1s/DIV

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