Data Sheet AD8422
–15
–10
–5
0
5
10
15
100
1k
10k 100k
OUTPUT VOLTAGE SWING (V)
LOAD RESISTANCE (Ω)
11197-037
–40°C
+25°C
+85°C
+105°C
+125°C
Figure 34. Output Voltage Swing vs. Load Resistance
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
OUTPUT CURRE NT (A)
–0
.
2
+0
.2
–
0.4
+
0.
4
–
0.
6
+
0.6
–
0
.8
+
0.
8
100µ
1m
10m
+V
S
–V
S
–
40°C
+
2
5°C
+
85
°C
+
1
05
°C
+1
2
5°C
11197-038
Figure 35. Output Voltage Swing vs. Output Current
–5
–4
–3
–2
–1
0
1
2
3
4
5
–10
–8 –6 –4 –2
0 2 4
6 8
10
GAIN NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
R
L
= 2kΩ
R
L
= 10kΩ
V
S
= ±15V
G = 1
11197-039
Figure 36. Gain Nonlinearity (G = 1)
–10
–8
–6
–4
–2
0
2
4
6
8
10
–10
–8 –6
–4
–2
0 2
4
6 8
10
GAIN NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
R
L
= 2kΩ
R
L
= 10kΩ
V
S
= ±15V
G = 10
11197-040
Figure 37. Gain Nonlinearity (G = 10)
–20
–16
–12
–8
–4
0
4
8
12
16
20
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
R
L
= 2kΩ
R
L
= 10kΩ
V
S
= ±15V
G = 100
11197-041
Figure 38. Gain Nonlinearity (G = 100)
–50
–40
–30
–20
–10
0
10
20
30
40
50
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
R
L
= 2kΩ
R
L
= 10kΩ
V
S
= ±15V
G = 1000
11197-042
Figure 39. Gain Nonlinearity (G = 1000)
Rev. A | Page 15 of 24
