Datasheet

ADA4830-1/ADA4830-2 Data Sheet
Rev. C | Page 10 of 22
7
6
5
4
3
2
1
0
–1
–2
–3
0.1 1 10 100
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
10020-012
V
IN
= 1V p-p
R
L
= 150Ω
C
L
= 0pF
C
L
= 68pF
NO SERIES OUTPUT RESISTOR
C
L
= 47pF
C
L
= 22pF
C
L
= 10pF
Figure 12. Large Signal Frequency Response for Various Capacitor Loads
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.1 1 10 100
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
10020-014
V
IN
= 1V p-p
R
L
= 150Ω
Figure 13. 0.1 dB Flatness
–90
–80
–70
–60
–50
–40
–30
–20
0.1 1 10 100
COMMON-MODE REJECTION (dB)
FREQUENCY (MHz)
10020-042
V
IN
= 1V p-p
V
INCM
= −8V
V
INCM
= +8V
V
INCM
= 0V
Figure 14. CMR Frequency Response for Various Input Common-Mode
Voltages
–70
–65
–60
–55
–50
–45
–40
–35
–30
–25
–12 –10 –8 –6 –4 –2
0 2 4 6 8 10 12 14
COMMON-MODE REJECTION (dB)
INPUT COMMON-MODE VOLTAGE (V)
V
IN
= 200mV p-p
f = 5MHz
+V
S
= 3.3V +V
S
= 5.0V
10020-017
Figure 15. Small Signal CMR vs. V
INCM
for Various Supply Voltages
–70
–60
–50
–40
–30
–20
–10
0
0.1 1 10 100
GAIN (dB)
FREQUENCY (MHz)
10020-019
V
IN
= 1V p-p
ENA = 0V
Figure 16. Input-to-Output Isolation with Device Disabled
6
3
0
–3
–6
–9
–12
–15
0.1 1 10 100
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
10020-009
V
REF
= 200mV p-p
+V
S
= 5.0V
R
L
= 1kΩ
+V
S
= 3.3V
R
L
= 150Ω
+V
S
= 5.0V
R
L
= 150Ω
+V
S
= 3.3V
R
L
= 1kΩ
Figure 17. V
REF
to V
OUT
Frequency Response