Datasheet

AD8420 Data Sheet
Rev. 0 | Page 10 of 28
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
0.4
0.3
0.2
0.1
0
–0.1
–5 0 5 10 15 20 25 30 35 40
OUTPUT VOLTAGE (V)
INPUT CURRENT (mA)
INPUT VOLTAGE (V)
V
S
= +5V
G = 1
V
OUT
I
IN
09945-309
Figure 9. Input Overvoltage Performance, G = 1
3
2
1
0
–1
–2
–3
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–20 –15 –10 –5 0 5 10 15 20 25
OUTPUT VOLTAGE (V)
INPUT CURRENT (mA)
INPUT VOLTAGE (V)
V
S
= ±15V
G = 1
V
OUT
I
IN
09945-310
Figure 10. Input Overvoltage Performance, G = 1, V
S
= ±15 V
6
5
4
3
2
1
0
0.5
0.4
0.3
0.2
0.1
0
–0.1
–5 0 5 10 15 20 25 30 35 40
OUTPUT VOLTAGE (V)
INPUT CURRENT (mA)
INPUT VOLTAGE (V)
V
S
= 5V
G = 100
V
OUT
I
IN
09945-311
Figure 11. Input Overvoltage Performance, G = 100
15
10
5
0
–5
–10
–15
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–20 –15 –10 –5 0 5 10 15 20 25
OUTPUT VOLTAGE (V)
INPUT CURRENT (mA)
INPUT VOLTAGE (V)
V
S
= ±15V
G = 100
V
OUT
I
IN
09945-312
Figure 12. Input Overvoltage Performance, G = 100, V
S
= ±15 V
15
10
5
0
–5
–10
–20
–15
–1.2 –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 1.2
INPUT COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
0.0V, +12.8V
0.0V, –15.1V
–1.0V, +12.3V
–1.0V, –14.6V +1.0V, –14.6V
+1.0V, +12.3V
09945-313
Figure 13. Input Common-Mode Voltage vs. Output Voltage,
G = 1, V
S
= ±15 V
3.0
2.5
2.0
1.5
1.0
0.5
–0.5
0
–0.2 0 0.2 0.4 0.6 0.8 1.0 1.2
INPUT COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
+4mV, +2.8V
+4mV, –0.1V
+1.0V, +0.4V
+1.0V, +2.3V
09945-314
Figure 14. Input Common-Mode Voltage vs. Output Voltage, G = 1, V
S
= 5 V