AD8422 Data Sheet
–50
–40
–30
–20
–10
0
10
20
30
40
50
–40 –25
–10
5
20
35 50
65 80
95
110
125
CMRR (µV/V)
TEMPERATURE ( °C)
11197-029
REPRESENTATIVE S
A
MP
L
E
N
O
RM
ALI
Z
ED
AT
2
5°C
Figure 28. CMRR vs. Temperature (G = 1), Normalized at 25°C
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
–40 –25 –10
5
20 35 50 65 80 95 1
10
125
SUPPLY CURRENT ( mA)
TEMPERATURE ( °C)
11197-030
Figure 29. Supply Current vs. Temperature (G = 1)
–30
–20
–10
0
10
20
30
40
50
60
70
–40 –25 –10 5 20 35 50 65 80 95 110 125
SHORT-CIRCUIT CURRE NT (mA)
TEMPERATURE ( °C)
I
SHORT
+
I
SHORT
–
11197-031
Figure 30. Short-Circuit Current vs. Temperature (G = 1)
0 2 4 6 8 10 12 14 16 18
INPUT VOLTAGE (V)
REFERRED TO SUPPLY VOLTAGES
SUPPLY VOLTAGE (±V
S
)
+V
S
–0.5
–1.0
–1.5
–V
S
+0.5
+1.0
+1.5
–40°C
+25°C
+85°C
+105°C
+125°C
11197-034
Figure 31. Input Voltage Limit vs. Supply Voltage
0
2 4
6 8
10
12 14 16 18
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY
VOLTAGES
SUPPLY VOLTAGE (±V
S
)
+12
5
°
C
+85
°C
+2
5
°C
–40
°C
+V
S
–0.1
–0.2
–0.3
–V
S
+0.1
+0.2
+0.3
11197-035
R
L
=
10kΩ
Figure 32. Output Voltage Swing vs. Supply Voltage, R
L
= 10 kΩ
0
2 4 6 8
10 12 14 16 18
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPL
Y VOLT
AGES
SUPPLY VOLT
AGE (±V
S
)
+V
S
–0.2
–0.4
–0.8
–0.6
–V
S
+0.4
+0.2
+0.6
+0.8
11197-036
+125°C
+85°C
+25°C
–40°C
R
L
= 2kΩ
Figure 33. Output Voltage Swing vs. Supply Voltage, R
L
= 2 kΩ
Rev. A | Page 14 of 24
