AD8221
30
V
= ±15V
S
V
= ±15V
S
20
10
0
–10
–8
–6
–4
–2
0
2
4
6
8
10
1
10
100
1k
10k
OUTPUT VOLTAGE (V)
LOAD RESISTANCE (Ω)
Figure 24. Gain Nonlinearity, G = 100, RL = 10 kΩ
Figure 21. Output Voltage Swing vs. Load Resistance
+V –0
S
V
= ±15V
S
–1
–2
–3
SOURCING
+3
+2
+1
SINKING
–V +0
S
–10
–8
–6
–4
–2
0
2
4
6
8
10
0
1
2
3
4
5
6
7
8
9
10 11 12
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
Figure 22. Output Voltage Swing vs. Output Current, G = 1
Figure 25. Gain Nonlinearity, G = 1000, RL = 10 kΩ
1k
V
= ±15V
S
GAIN = 1
100
10
1
GAIN = 10
GAIN = 100
GAIN = 1000
GAIN = 1000
BW LIMIT
–10
–8
–6
–4
–2
0
2
4
6
8
10
1
10
100
1k
10k
100k
OUTPUT VOLTAGE (V)
FREQUENCY (Hz)
Figure 26. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)
Figure 23. Gain Nonlinearity, G = 1, RL = 10 kΩ
Rev. B | Page 12 of 24
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