Datasheet

AD8038/AD8039
Rev. G | Page 7 of 16
FREQUENCY (MHz)
GAIN (dB)
0
–4
1
2
3
4
C
L
= 15pF
C
L
= 10pF
C
L
= 5pF
–5
–3
–2
–1
5
1000110010
0
2951-012
Figure 12. Small Signal Frequency Response for Various C
L
,
V
OUT
= 500 mV p-p, V
S
= ±5 V, G = +1
FREQUENCY (MHz)
GAIN (dB)
1
3
C
L
= 10pF
C
L
= 5pF
–5
–3
–1
5
7
C
L
= 15pF
1000110010
02951-013
Figure 13. Small Signal Frequency Response for Various C
L
,
V
OUT
= 500 mV p-p, V
S
= 5 V, G = +1
FREQUENCY (MHz)
GAIN (dB)
0.1
–6
1
V
OUT
= 500mV
2
V
OUT
= 200mV
V
OUT
= 2V
V
OUT
= 1V
–5
–4
–3
–2
–1
0
10001 10010
02951-014
Figure 14. Frequency Response for Various Output Voltage Levels
FREQUENCY (MHz)
OPEN-LOOP GAIN (dB)
0
0.01
10
0.1
GAIN
20
30
40
50
60
70
80
PHASE
0
PHASE (Degrees)
–10
–20
180
45
–45
135
90
1 10 100 1000
02951-015
Figure 15. Open-Loop Gain and Phase, V
S
= ±5 V
FREQUENCY (MHz)
GAIN (dB)
0
6
9
3
–3
–40°C
+85°C
+25°C
0.1 1 10 100 1000
02951-016
Figure 16. Frequency Response vs. Temperature,
Gain = +2, V
S
= ±5 V, V
OUT
= 2 V p-p
FREQUENCY (MHz)
1
5432678
HARMONIC DISTORTION (dBc)
–90
–85
–80
–75
–70
–65
–60
–55
–
50
9
10
R
L
= 500Ω HD2
R
L
= 500Ω HD3
R
L
= 2kΩ HD3
R
L
= 2kΩ HD2
02951-017
Figure 17. Harmonic Distortion vs. Frequency for Various Loads,
V
S
= ±5 V, V
OUT
= 2 V p-p, G = +2