Datasheet

AD8270
Rev. 0 | Page 8 of 20
6
4
2
0
–2
–4
–6
–5 –4 –3 –2 –1 0 1 2 3 4 5
OUTPUT VOLTAGE (V)
COMMON-MODE INPUT VOLTAGE (V)
06979-010
(0, +5)
(0, –5)
(–4.3, +2.85)
(+4.3, +2.85)(–4.3, +2.85)
(–4.3, –2.85) (+4.3, –2.85)
(–1.6, –1.7) (+1.6, –1.7)
(–1.6, +1.7) (+1.6, +1.7)
(0, +2.5)
(0, –2.5)
V
S
= ±2.5 V
S
= ±5
Figure 10. Common-Mode Input Voltage vs. Output Voltage,
Gain = 1, ±5 V and ±2.5 V Supplies
20
15
10
5
0
–5
–10
–15
–20
–20 –15 –10 –5 0 5 10 15 20
OUTPUT VOLTAGE (V)
COMMON-MODE INPUT VOLTAGE (V)
06979-011
(0, +15)
(0, –15)
(+14.3, +11.4)
(+14.3, –11.4)(–14.3, –11.4)
(–14.3, +11.4)
Figure 11. Common-Mode Input Voltage vs. Output Voltage,
Gain = 2, ±15 V Supplies
6
4
2
0
–2
–4
–6
–5 –4 –3 –2 –1 0 1 2 3 4 5
OUTPUT VOLTAGE (V)
COMMON-MODE INPUT VOLTAGE (V)
06979-012
(0, +5)
(0, –5)
(–4, +4) (+4, +4)
(–4, –4) (+4, –4)
(–1.6, –2.1) (+1.6, –2.1)
(–1.6, +2.1) (+1.6, +2.1)
(0, +2.5)
(0, –2.5)
V
S
= ±2.5 V
S
= ±5
Figure 12. Common-Mode Input Voltage vs. Output Voltage,
Gain = 2, ±5 V and ±2.5 V Supplies
140
120
100
80
60
40
20
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
POSITIVE PSRR (dB)
06979-015
GAIN = 2, 0.5
GAIN = 1
Figure 13. Positive PSRR vs. Frequency
140
120
100
80
60
40
20
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
NEGATIVE PSRR (dB)
06979-016
GAIN = 2, 0.5
GAIN = 1
Figure 14. Negative PSRR vs. Frequency
32
28
24
20
16
12
8
4
0
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
OUTPUT VOLTAGE SWING (V p-p)
06979-017
V
S
= ±15V
V
S
= ±5V
Figure 15. Output Voltage Swing vs. Large Signal Frequency Response