Datasheet

AD8222
Rev. A | Page 11 of 24
30
0
10
20
1 10 100 1k 10k
OUTPUT VOLTAGE SWING (V p-p)
LOAD RESISTANCE (Ω)
05947-021
Figure 21. Output Voltage Swing vs. Load Resistance
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
+
V
S
–
0
–1
–2
–3
+3
+2
+1
–V
S
+0
0121110987654321
OUTPUT CURRENT (mA)
05947-022
SINKING
SOURCING
Figure 22. Output Voltage Swing vs. Output Current, G = 1
–10 –8 –6 –4 –2 0 2 4 6 8 10
V
OUT
(V)
05947-023
NONLINEARITY (1ppm/DIV)
2kΩ LOAD
600Ω LOAD
10kΩ LOAD
4
3
2
1
0
–1
–2
–3
–4
Figure 23. Gain Nonlinearity, G = 1
–10–8–6–4–20246810
V
OUT
(V)
05947-024
NONLINEARITY (10ppm/DIV)
2kΩ LOAD
600Ω LOAD
10kΩ LOAD
40
30
20
10
0
–10
–20
–30
–40
Figure 24. Gain Nonlinearity, G = 100
110
1
10
100
1k
100 1k 10k 100k
FREQUENCY (Hz)
05947-026
VOLTAGE NOISE SPECTRAL DENSITY (nV/ Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
GAIN = 1000
BW LIMIT
Figure 25. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)
05947-027
2µV/DIV 1s/DIV
Figure 26. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1)