Datasheet

ADA4937-1/ADA4937-2 Data Sheet
Rev. D | Page 10 of 28
6
–9
–6
–3
0
3
1 10 100 1000
CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
R
L
= 1kΩ
R
L
= 100Ω
R
L
= 200Ω
06591-013
Figure 13. Small Signal Frequency Response for Various Loads,
V
OUT, dm
= 100 mV p-p
–15
–12
–9
–6
–3
0
3
6
1 10 100 1000
06591-077
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
V
S
= 3.3V, G = +1, R
F
= 200Ω
V
S
= 3.3V, G = +2, R
F
= 402Ω
V
S
= 3.3V, G = +5, R
F
= 402Ω
Figure 14. Small Signal Frequency Response for Various Gains,
V
S
= 3.3 V, V
OUT, dm
= 100 mV p-p
–15
–12
–9
–6
–3
0
3
6
1 10 100 1000
06591-078
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
G = +1, R
F
= 348Ω
G = +2, R
F
= 348Ω
G = +5, R
F
= 348Ω
Figure 15. Small Signal Frequency Response for Various Gains,
V
OUT, dm
= 100 mV p-p, R
F
= 348 Ω
6
–9
–6
–3
0
3
1 10 100 1000
CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
R
L
= 1kΩ
R
L
= 100Ω
R
L
= 200Ω
06591-016
Figure 16. Large Signal Frequency Response for Various Loads
–15
–12
–9
–6
–3
0
3
6
1 10 100 1000
06591-079
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
V
S
= 3.3V, G = +1, R
F
= 200Ω
V
S
= 3.3V, G = +2, R
F
= 402Ω
V
S
= 3.3V, G = +5, R
F
= 402Ω
Figure 17. Large Signal Frequency Response for Various Gains, V
S
= 3.3 V
–15
–12
–9
–6
–3
0
3
6
1 10 100 1000
06591-080
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
G = +1, R
F
= 348Ω
G = +2, R
F
= 348Ω
G = +5, R
F
= 348Ω
Figure 18. Large Signal Frequency Response for Various Gains, R
F
= 348 Ω