Datasheet

AD8057/AD8058 Data Sheet
Rev. D | Page 8 of 16
5V
1V/DIV
–5V
4ns/DIV
01064-020
Figure 18. Large Signal Step Response G = –1, R
L
= 1 kΩ ,
See Figure 42 for Test Circuit
FREQUENCY (MHz)
1 100010
GAIN (dB)
100
5
4
–5
3
2
1
0
–1
–2
–3
–4
G = +2
G = +10
G = +5
G = +1
01064-021
Figure 19. Small Signal Frequency Response, V
OUT
= 0.2 V p-p
FREQUENCY (MHz)
1 100010
GAIN (dB)
100
5
4
–5
3
2
1
0
–1
–2
–3
–4
G = +2
G = +10
G = +1
G = +5
01064-022
Figure 20. Large Signal Frequency Response, V
OUT
= 2 V p-p
FREQUENCY (MHz)
1 1000
10
GAIN (dB)
100
5
4
–5
3
2
1
0
–1
–2
–3
–4
G = –2
G = –10
G = –5
G = –1
01064-023
Figure 21. Large Signal Frequency Response
FREQUENCY (MHz)
1
100010
GAIN (dB)
100
0.5
0.4
–0.5
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
V
OUT
= 0.2V
G = +2
R
L
= 1.0kΩ
R
F
= 1.0kΩ
01064-024
Figure 22. 0.1 dB Flatness G = +2
FREQUENCY (MHz)
1 100010
DISTORTION (dBc)
100
–50
–60
–110
–70
–80
–90
–100
THD
SECOND
THIRD
01064-025
Figure 23. Distortion vs. Frequency, R
L
= 150 Ω