Datasheet

AD8278/AD8279
Rev. C | Page 10 of 24
10
–10
–8
–6
–4
–2
0
2
4
6
8
–0.5 0.5 1.5 2.5 3.5 4.5 5.5
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= 5V
V
REF
= MIDSUPPLY
V
S
= 2.7V
08308-011
Figure 13. Input Common-Mode Voltage vs. Output Voltage,
5 V and 2.7 V Supplies, V
REF
= Midsupply, G = ½
12
–6
–4
–2
0
2
4
6
8
10
–0.5 0.5 1.5 2.5 3.5 4.5 5.5
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= 5V
V
S
= 2.7V
08308-012
V
REF
= 0V
Figure 14. Input Common-Mode Voltage vs. Output Voltage,
5 V and 2.7 V Supplies, V
REF
= 0 V, G = ½
30
–30
–20
–10
0
10
20
–20 –15 –10 –5 0 10 20515
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= ±5V
V
S
= ±15V
08308-013
Figure 15. Input Common-Mode Voltage vs. Output Voltage,
±15 V and ±5 V Supplies, G = 2
5
–3
–2
–1
0
1
2
3
4
–0.5 0.5 1.5 2.5 3.5 4.5 5.5
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= 5V
V
S
= 2.7V
08308-014
V
REF
= MIDSUPPLY
Figure 16. Input Common-Mode Voltage vs. Output Voltage,
5 V and 2.7 V Supplies, V
REF
= Midsupply, G = 2
6
5
–2
–1
0
1
2
3
4
–0.5 0.5 1.5 2.5 3.5 4.5 5.5
COMMON-MODE VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
S
= 5V
V
S
= 2.7V
08308-015
V
REF
= 0V
Figure 17. Input Common-Mode Voltage vs. Output Voltage,
5 V and 2.7 V Supplies, V
REF
= 0 V, G = 2
18
–36
–30
–24
–18
–12
–6
0
6
12
100 10M1M100k10k1k
GAIN (dB)
FREQUENCY (Hz)
GAIN = 2
GAIN = ½
08308-016
Figure 18. Gain vs. Frequency, ±15 V Supplies