Datasheet

ADA4896-2/ADA4897-1/ADA4897-2 Data Sheet
Rev. | Page 12 of 28
–3
–2
–1
0
1
2
3
4
0.1 1 10 100
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
V
S
= +5V
G = +2
R
L
= 100
V
OUT
= 20mV p-p
C
L
= 0pF
C
L
= 20pF
C
L
= 39pF
09447-007
Figure 15. Small Signal Frequency Response vs. Capacitive Load
–
50
FREQUENCY (MHz)
0.1 1 5
–60
–70
–90
–80
–100
–110
–120
R
L
= 100, THIRD
R
L
= 1k, SECOND
R
L
= 1k, THIRD
R
L
= 100, SECOND
DISTORTION (dBc)
09447-021
V
S
= +5V
V
OUT
= 2V p-p
G = +1
Figure 16. Harmonic Distortion vs. Frequency, G = +1
–110
–100
–90
–80
–70
–60
–50
–
40
0.1 1
DISTORTION (dBc)
5
FREQUENCY (MHz)
V
S
= +5V
V
OUT
= 2V p-p
G = +5
R
L
= 1k, SECOND
R
L
= 1k, THIRD
R
L
= 100, THIRD
R
L
= 100, SECOND
09447-041
Figure 17. Harmonic Distortion vs. Frequency, G = +5
–110
–100
–90
–80
–70
–60
–50
–
30
–40
0.1 1
DISTORTION (dBc)
5
FREQUENCY (MHz)
V
S
= +5V
V
OUT
= 2V p-p
G = +10
R
L
= 1k, SECOND
R
L
= 1k, THIRD
R
L
= 100, SECOND
09447-070
R
L
= 100, THIRD
Figure 18. Harmonic Distortion vs. Frequency, G = +10
–
50
FREQUENCY (MHz)
0.1 1
5
–60
–70
–80
–90
–100
–110
–120
09447-026
DISTORTION (dBc)
8V p-p, THIRD
8V p-p, SECOND
4V p-p, SECOND
4V p-p, THIRD
V
S
= ±5V
G = +1
R
L
= 1k
2V p-p, SECOND
2V p-p, THIRD
Figure 19. Harmonic Distortion vs. Frequency for Various Output Voltages
0.1 1 5
–130
–120
–110
–100
–90
–80
–70
–60
–
50
DISTORTION (dBc)
G = +2
R
L
= 1k
FREQUENCY (MHz)
V
S
= +3V,
SECOND
V
S
= +3V,
THIRD
V
S
= ±5V,
THIRD
V
S
= +5V,
SECOND
V
S
= +5V,
THIRD
V
S
= ±5V,
SECOND
09447-045
Figure 20. Harmonic Distortion vs. Frequency for Various Supplies
B