Datasheet

AD8221
Rev. C | Page 13 of 24
OUTPUT VOLTAGE SWING (V p-p)
0
20
10
30
LOAD RESISTANCE (Ω)
101 100 1k 10k
03149-021
V
S
= ±15V
Figure 22. Output Voltage Swing vs. Load Resistance
–V
S
+0
+1
+2
+3
–3
–2
–1
+V
S
–0
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (mA)
03149-022
SOURCING
SINKING
Figure 23. Output Voltage Swing vs. Output Current, G = 1
–10 –8 –6 –4 –2 0 2 4 6 8 10
V
S
= ±15V
03149-023
ERROR (1ppm/DIV)
OUTPUT VOLTAGE (V)
Figure 24. Gain Nonlinearity, G = 1, R
L
= 10 kΩ
V
S
= ±15V
03149-024
–10 –8 –6 –4 –2 0 2 4 6 8 10
ERROR (10ppm/DIV)
OUTPUT VOLTAGE (V)
Figure 25. Gain Nonlinearity, G = 100, R
L
= 10 kΩ
V
S
= ±15V
03149-025
–10 –8 –6 –4 –2 0 2 4 6 8 10
ERROR (100ppm/DIV)
OUTPUT VOLTAGE (V)
Figure 26. Gain Nonlinearity, G = 1000, R
L
= 10 kΩ
VOLTAGE NOISE RTI (nV/ Hz)
1
100
10
1k
1 10 100 1k 10k 100k
FREQUENCY (Hz)
03149-026
GAIN = 1
GAIN = 1000
BW LIMIT
GAIN = 10
GAIN = 100
GAIN = 1000
Figure 27. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)