Datasheet

AD8027/AD8028
Rev. C | Page 9 of 24
FREQUENCY (MHz)
0.1 1 10 100 1000
CLOSED-LOOP GAIN (dB)
G = +1
V
OUT
= 200mV p-p
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
4
C
L
= 0pF
C
L
= 20pF
C
L
= 5pF
03327-A-009
Figure 10. AD8027 Small Signal Frequency Response for Various C
LOAD
FREQUENCY (MHz)
0.1 1 10 100 1000
–4
–3
–2
–1
0
1
2
3
4
5
6
7
8
CLOSED-LOOP GAIN (dB)
G = +2
V
OUT
= 200mV p-p
V
OUT
= 2V p-p
V
OUT
= 4V p-p
03327-A-010
Figure 11. Frequency Response for Various Output Amplitudes
FREQUENCY (MHz)
0.1 1 10 100 1000
–8
–7
–6
–5
–4
–3
–2
–1
1
0
2
CLOSED-LOOP GAIN (dB)
+125°C
–40°C
+25°C
03327-A-011
G = +1
V
OUT
= 200mV p-p
Figure 12. AD8027 Small Signal Frequency Response vs. Temperature
FREQUENCY (MHz)
0.1 1 10 100 1000
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
3
2
CLOSED-LOOP GAIN (dB)
03327-A-012
C
L
= 0pF
C
L
= 20pF
C
L
= 5pF
G = +1
V
OUT
= 200mV p-p
Figure 13. AD8028 Small Signal Frequency Response for Various C
LOAD
FREQUENCY (MHz)
0.1 1 10 100 1000
–4
–3
–2
–1
0
1
2
3
5
4
6
7
8
CLOSED-LOOP GAIN (dB)
G = +2
V
OUT
= 0.2V p-p
R
L
= 1k Ω
V
OUT
= 2.0V p-p
R
L
= 1k Ω
V
OUT
= 2.0V p-p
R
L
= 150 Ω
V
OUT
= 0.2V p-p
R
L
= 150 Ω
03327-A-013
Figure 14. Small Signal Frequency Response for Various R
LOAD
Values
FREQUENCY (MHz)
0.1 1 10 100 1000
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
CLOSED-LOOP GAIN (dB)
G = +1
V
OUT
= 200mV p-p
03327-A-014
+25°C
–40°C
+125°C
Figure 15. AD8028 Small Signal Frequency Response vs. Temperature