AD8222
30
40
30
OUTPUT VOLTAGE SWING (V p-p)
NONLINEARITY (10ppm/DIV)
20
10
0
–10
–20
–30
2kΩ LOAD
20
600Ω LOAD
10
10kΩ LOAD
05947-021
1
10
100
LOAD RESISTANCE (Ω)
1k
10k
–8
–6
–4
–2
0
V
OUT
(V)
2
4
6
8
10
Figure 21. Output Voltage Swing vs. Load Resistance
+V
S
–0
–1
–2
–3
SOURCING
1k
Figure 24. Gain Nonlinearity, G = 100
VOLTAGE NOISE SPECTRAL DENSITY (nV/ Hz)
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
GAIN = 1
100
GAIN = 10
GAIN = 100
GAIN = 1000
+3
+2
SINKING
+1
10
05947-022
0
1
2
3
4
5
6
7
8
9
10
11
12
1
10
100
1k
10k
100k
OUTPUT CURRENT (mA)
FREQUENCY (Hz)
Figure 22. Output Voltage Swing vs. Output Current, G = 1
4
3
Figure 25. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)
NONLINEARITY (1ppm/DIV)
2
1
0
2kΩ LOAD
–1
–2
05947-027
10kΩ LOAD
600Ω LOAD
–3
–4
–10
05947-023
–8
–6
–4
–2
0
V
OUT
(V)
2
4
6
8
10
2µV/DIV
1s/DIV
Figure 23. Gain Nonlinearity, G = 1
Figure 26. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1)
Rev. A | Page 11 of 24
05947-026
–V
S
+0
1
GAIN = 1000
BW LIMIT
05947-024
0
–40
–10
AD [ ANALOG DEVICES ]
