Datasheet

ADA4927-1/ADA4927-2
Rev. A | Page 10 of 24
3
0
–3
–6
–9
–12
1 10 100 1k 10k
4-013
FREQUENCY (MHz)
0757
3
0
–3
–6
–9
–12
1 10 100 1k 10k
FREQUENCY (MHz)
CLOSED-LOOP GAIN (dB)
07574-016
V
OUT
,
dm
= 100mV p-p V
OUT
,
dm
= 2V p-p
R
L
= 200Ω
R
L
= 1kΩ
CLOSED-LOOP GAIN (dB)
R
L
= 1kΩ
R
L
= 200Ω
Figure 13. Small Signal Frequency Response for Various Loads
3
0
–3
–6
–9
–12
1 10 100 1k 10k
CLOSED-LOOP GAIN (dB)
4-014
FREQUENCY (MHz)
0757
V
OUT
,
dm
= 100mV p-p
V
OCM
= –4V
V
OCM
= –3.5V
V
OCM
= 0V
V
OCM
= +3.5V
V
OCM
= +4V
Figure 14. Small Signal Frequency Response at Various V
OCM
Levels
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
RMALIZED CLOSED-LOOP GAIN (dB)
Figure 16. Large Signal Frequency Response for Various Loads
3
0
–3
–6
–9
–12
1 10 100 1k 10k
FREQUENCY (MHz)
CLOSED-LOOP GAIN (dB)
07574-017
–0.4
–0.5
1 10 100 1k
FREQUENCY (MHz)
NO
07574-015
V
OUT
,
dm
= 100mV p-p
V
S
= ±5V, R
L
= 1kΩ
V
S
= ±2.5V, R
L
= 1kΩ
V
S
= ±5V, R
L
= 200Ω
V
S
= ±2.5V, R
L
= 200Ω
Figure 15. 0.1 dB Flatness Small Signal Frequency Response for Various
Loads and Supplies
V
OCM
= –3.5V
V
OCM
= 0V
V
OCM
= +3.5V
V
OUT
,
dm
= 2V p-p
Figure 17. Large Signal Frequency Response at Various V
OCM
Levels
3
0
–3
–6
–9
–12
1 10 100 1k 5k
NORMALIZED CLOSED-LOOP GAIN (dB)
574-018
V
OUT
,
cm
= 100mV p-p
V
OCM
= 0V dc
V
OCM
= +2.5V dc
V
OCM
= +4.1V dc
V
OCM
= –2.5V dc
V
OCM
= –4.1V dc
FREQUENCY (MHz)
07
Figure 18. V
OCM
Small Signal Frequency Response at Various DC Levels