Datasheet

AD8422 Data Sheet
Rev. 0 | Page 14 of 24
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
–
40 – 25 –
10 5 20 35 50 65 80 95 110 125
INPUT OFFSET CURRENT (nA)
INPUT BIAS CURRENT (nA)
TEMPERATURE (°C)
V
S
= ±15V
NORMALIZED AT 25°C
11197-027
Figure 28. Input Bias Current and Input Offset Current vs. Temperature
–100
–80
–60
–40
–20
0
20
40
60
80
100
–40 –25 –10 5 20 35 50 65 80 95 110 125
GAIN ERROR (µV/V)
TEMPERATURE (°C)
REPRESENTATIVE SAMPLES
NORMALIZED AT 25°C
11197-028
Figure 29. Gain vs. Temperature (G = 1)
–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 SAMPLE
NORMALIZED AT 25°C
Figure 30. 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 95 110 125
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
11197-030
Figure 31. 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 CURRENT (mA)
TEMPERATURE (°C)
I
SHORT
+
I
SHORT
–
11197-031
Figure 32. 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 33. Input Voltage Limit vs. Supply Voltage