Datasheet

AD8114/AD8115
Rev. B | Page 11 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
FREQUENCY (MHz)
1
0.1
GAIN (dB)
1 10 100 1000
–1
0
–2
–3
–4
–5
–6
–7
V
O
AS SHOWN
R
L
= 150Ω
GAIN
FLATNESS
2V p-p
200mV p-p
–0.2
0.2
0.1
0
–0.1
–0.3
–0.4
–0.5
FLATNESS (dB)
–0.6
01070-012
Figure 7. AD8114 Frequency Response, R
L
= 150 Ω
FREQUENCY (MHz)
GAIN (dB)
–7
–3
1
0
–1
–2
–4
–5
–6
–0.6
–0.2
0.2
0.1
0
–0.1
–0.3
–0.4
–0.5
FLATNESS (dB)
2
3
0.1 1 10 100 1000
0.3
0.4
GAIN
FLATNESS
2V p-p
200mV p-p
V
O
AS SHOWN
R
L
= 1kΩ
01070-013
Figure 8. AD8114 Frequency Response, R
L
= 1 kΩ
FREQUENCY (MHz)
GAIN (dB)
–3
1
0
–1
–2
–4
–5
–6
2
3
0.1 1 10 100 1000
4
R
L
= 1kΩ
R
L
= 150Ω
V
O
= 200mV p-p
R
L
AS SHOWN
C
L
= 18pF
01070-014
Figure 9. AD8114 Frequency Response vs. Load Impedance

FREQUENCY (MHz)
2
0.1
GAIN (dB)
1 10 100 1000
0
1
–1
–2
–3
–4
–5
–6
–8
–7
V
O
AS SHOWN
R
L
= 150Ω
GAIN
FLATNESS
200mV p-p
2V p-p
2V p-p
200mV p-p
0
0.5
0.4
0.3
0.2
0.1
–0.1
–0.2
–0.3
–0.4
FLATNESS (dB)
–0.5
01070-015
Figure 10. AD8115 Frequency Response, R
L
= 150 Ω
FREQUENCY (MHz)
3
0.1
GAIN (dB)
1 10 100 1000
1
2
0
–1
–2
–3
–4
–5
–7
–6
V
O
AS SHOWN
R
L
= 1kΩ
GAIN
FLATNESS
200mV p-p
2V p-p
2V p-p
200mV p-p
0
0.5
0.4
0.3
0.2
0.1
–0.1
–0.2
–0.3
–0.4
FLATNESS (dB)
–0.5
01070-016
Figure 11. AD8115 Frequency Response, R
L
= 1 kΩ
FREQUENCY (MHz)
GAIN (dB)
–4
4
2
0
–2
–6
–8
–10
6
8
0.1 1 10 100 1000
10
R
L
= 1kΩ
R
L
= 150Ω
V
O
= 200mV p-p
R
L
AS SHOWN
C
L
= 18pF
01070-017
Figure 12. AD8115 Frequency Response vs. Load Impedance