AD8221-EP Enhanced Product
Rev. 0 | Page 10 of 14
–V
S
+0
+1
+2
+3
–3
–2
–1
+
S
–0
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
0123456789101112
OUTPUT CURRENT (mA)
SOURCING
SINKING
13702-022
Figure 22. Output Voltage Swing vs. Output Current, G = 1
–10–8–6–4–2 0 2 4 6 8 10
V
S
= ±15V
ERROR (1ppm/DIV)
OUTPUT VOLTAGE (V)
13702-023
Figure 23. Gain Nonlinearity, G = 1, R
L
= 10 kΩ
V
S
= ±15V
–10 –8 –6 –4 –2 0 2 4 6 8 10
ERROR (10ppm/DIV)
OUTPUT VOLTAGE (V)
13702-024
Figure 24. Gain Nonlinearity, G = 100, R
L
= 10 kΩ
V
S
= ±15V
–10–8–6–4–2 0 2 4 6 8 10
ERROR (100ppm/DIV)
OUTPUT VOLTAG E (V)
13702-025
Figure 25. Gain Nonlinearity, G = 1000, R
L
= 10 kΩ
VOLTAGE NOISE SPECTR
L DENSI
Y RTI (nV/
Hz)
1
100
10
1k
1 10 100 1k 10k 100k
FREQUENCY (Hz)
GAIN = 1
GAIN = 1000
BW LIMIT
GAIN = 10
GAIN = 100
GAIN = 1000
13702-026
Figure 26. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)
1s/DIV2µV/DIV
13702-027
Figure 27. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1)