Datasheet

Data Sheet AD8421
Rev. 0 | Page 11 of 28
15
10
5
0
–15
–10
–5
–15 15105–5–10 0
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= ±15V
V
S
= ±12V
10123-009
G = 1
Figure 10. Input Common-Mode Voltage vs. Output Voltage;
V
S
= ±12 V and ±15 V (G = 1)
4
3
2
0
1
–3
–2
–1
–4 4321–3 –2 –1 0
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= ±5V
V
S
= ±2.5V
10123-010
G = 1
Figure 11. Input Common-Mode Voltage vs. Output Voltage;
V
S
= ±2.5 V and ±5 V (G = 1)
15
10
5
0
–15
–10
–5
–15 15105–5–10 0
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= ±15V
V
S
= ±12V
10123-011
G = 100
Figure 12. Input Common-Mode Voltage vs. Output Voltage;
V
S
= ±12 V and ±15 V (G = 100)
4
3
2
0
1
–3
–2
–1
–4 4321–3 –2 –1 0
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= ±5V
V
S
= ±2.5V
10123-012
G = 100
Figure 13. Input Common-Mode Voltage vs. Output Voltage;
V
S
= ±2.5 V and ±5 V (G = 100)
40
–40
–35 40
INPUT CURRENT (mA)
INPUT VOLTAGE (V)
–30
–20
–10
0
10
20
30
–30–25–20–15–10–5 0 5 101520253035
V
S
= 5V
G = 1
10123-013
Figure 14. Input Overvoltage Performance; G = 1, +V
S
= 5 V, −V
S
= 0 V
30
–30
–25 25
INPUT CURRENT (mA)
INPUT VOLTAGE (V)
–20
–10
0
10
20
–20 –15 –10 –5 0 5 10 15 20
V
S
= ±15V
G = 1
10123-014
Figure 15. Input Overvoltage Performance; G = 1, V
S
= ±15 V