Datasheet

AD8138
Rev. F | Page 9 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, Gain = 1, R
G
= R
F
= R
L, dm
= 499 V, T
A
= 25°C; refer to Figure 39 for test setup.
FREQUENCY (MHz)
GAIN (dB)
–9
0
–6
–3
3
6
1 10 100 1000
V
IN
=0.2Vp-p
C
F
=0pF
V
S
=+5V
V
S
=±5V
01073-005
Figure 5. Small Signal Frequency Response
FREQUENCY (MHz)
GAIN (dB)
–9
0
–6
–3
3
6
1 10 100 1000
V
S
=±5V
V
IN
=0.2Vp-p
C
F
=0pF
C
F
=1pF
0
1073-006
Figure 6. Small Signal Frequency Response
GAIN (dB)
–0.5
0.1
–0.3
–0.1
0.3
0.5
V
S
=±5V
V
IN
=0.2Vp-p
C
F
=0pF
C
F
=1pF
FREQUENCY (MHz)
1 10 100
01073-007
Figure 7. 0.1 dB Flatness vs. Frequency
FREQUENCY (MHz)
GAIN (dB)
–9
0
–6
–3
3
6
V
IN
=2Vp-p
C
F
=0pF
1 10 100 1000
V
S
=+5V
V
S
=±5V
01073-008
Figure 8. Large Signal Frequency Response
FREQUENCY (MHz)
GAIN (dB)
–9
0
–6
–3
3
6
V
IN
=2Vp-p
V
S
=±5V
C
F
=0pF
C
F
=1pF
1 10 100 1000
01073-009
Figure 9. Large Signal Frequency Response
FREQUENCY (MHz)
GAIN (dB)
–10
10
0
20
30
V
S
=±5V
C
F
=0pF
V
OUT, dm
=0.2Vp-p
R
G
= 499Ω
G = 10, R
F
= 4.99kΩ
G=5,R
F
= 2.49kΩ
G=2,R
F
=1kΩ
G=1,R
F
=499Ω
1 10 100 1000
0
1073-010
Figure 10. Small Signal Frequency Response for Various Gains