Datasheet

ADA4922-1
Rev. 0 | Page 8 of 20
3
–30
1
1000
05681-019
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
10 100
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
V
O
, dm = 0.2V p-p
V
S
= ± 5V, C
L, dm
= 10pF
V
S
= ± 5V, C
L, dm
= 20pF
V
S
= ± 12V, C
L, dm
= 0pF
V
S
= ± 12V, C
L, dm
= 20pF
Figure 11. Small Signal Frequency Response for Various Capacitive Loads
3
–33
1
1000
05681-020
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
10 100
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
–30
10V p-p
12V p-p
16V p-p
0.2V p-p
2V p-p
Figure 12. Frequency Response for Various Output Amplitudes, V
S
= ±5 V
–50
–120
1000
05681-011
FREQUENCY (MHz)
ISOLATION (dB)
1 10 100
–60
–70
–80
–90
–100
–110
V
IN
= 0.1V p-p
DIS = LOW
V
S
= ± 12V
V
S
± 5V
Figure 13. Isolation vs. Frequency—Disabled
3
–30
1
100
05681-050
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
10
V
S
= ± 5V, V
IN
= 12V p-p, C
L, dm
= 0pF
V
S
= ± 12V, V
IN
= 40V p-p, C
L, dm
= 0pF
V
S
= ± 5V, V
IN
= 12V p-p, C
L, dm
= 20pF
V
S
= ± 12V, V
IN
= 40V p-p, C
L, dm
= 20pF
Figure 14. Large Signal Frequency Response for Various Capacitive Loads
3
–33
1
1000
05681-023
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
10 100
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
–30
0.2V p-p
2V p-p
40V p-p
20V p-p
10V p-p
Figure 15. Frequency Response for Various Output Amplitudes, V
S
= ±12 V
3
–30
1
1000
05681-024
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
10 100
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
V
REF
= 0.1V p-p
V
S
= ± 5V
V
S
= ± 12V
Figure 16. REF Small Signal Frequency Response for Various Power Supplies