AD8138
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.
6
V
IN
= 0.2V p-p
C
F
= 0pF
3
V
S
= +5V
6
V
IN
= 2V p-p
C
F
= 0pF
3
V
S
= +5V
0
V
S
= ±5V
–3
GAIN (dB)
V
S
= ±5V
–3
–6
GAIN (dB)
0
–6
01073-005
1
10
100
FREQUENCY (MHz)
1000
1
10
100
FREQUENCY (MHz)
1000
Figure 5. Small Signal Frequency Response
6
V
S
= ±5V
V
IN
= 0.2V p-p
3
C
F
= 0pF
3
6
Figure 8. Large Signal Frequency Response
V
IN
= 2V p-p
V
S
= ±5V
C
F
= 0pF
GAIN (dB)
C
F
= 1pF
–3
GAIN (dB)
0
0
C
F
= 1pF
–3
–6
–6
01073-006
1
10
100
FREQUENCY (MHz)
1000
1
10
100
FREQUENCY (MHz)
1000
Figure 6. Small Signal Frequency Response
0.5
V
S
= ±5V
V
IN
= 0.2V p-p
0.3
C
F
= 0pF
20
30
Figure 9. Large Signal Frequency Response
G = 10, R
F
= 4.99kΩ
G = 5, R
F
= 2.49kΩ
V
S
= ±5V
C
F
= 0pF
V
OUT, dm
= 0.2V p-p
R
G
= 499Ω
GAIN (dB)
GAIN (dB)
0.1
10
G = 2, R
F
= 1kΩ
G = 1, R
F
= 499Ω
–0.1
C
F
= 1pF
–0.3
0
01073-007
1
10
FREQUENCY (MHz)
100
1
10
100
FREQUENCY (MHz)
1000
Figure 7. 0.1 dB Flatness vs. Frequency
Figure 10. Small Signal Frequency Response for Various Gains
Rev. F | Page 9 of 24
01073-010
–0.5
–10
01073-009
–9
–9
01073-008
–9
–9
AD [ ANALOG DEVICES ]
