Data Sheet
ADA4859-3
Rev. A | Page 7 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
VS = 5 V, G = 2, RF = 550 , RL = 150 , large signal VOUT = 2 V p-p, small signal VOUT = 0.1 V p-p, and T = 25C, unless otherwise noted.
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
10
100
1000
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
FREQUENCY (MHz)
VS = 3.3V
VS = 5V
07715-
004
Figure 4. Small Signal Frequency Response vs. Supply Voltage
0.2
–0.8
–0.7
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
1
10
100
1000
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
FREQUENCY (MHz)
VS = 3.3V
VS = 5V
07715-
005
Figure 5. Large Signal 0.1 dB Flatness vs. Supply Voltage
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
1
10
D
IS
TOR
TION
(
dB
c
)
HD2
HD3
100
FREQUENCY (MHz)
07715-
006
Figure 6. Harmonic Distortion vs. Frequency
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
10
100
1000
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
FREQUENCY (MHz)
VS = 3.3V
VS = 5V
07715-
007
Figure 7. Large Signal Frequency Response vs. Supply Voltage
0.2
–0.8
–0.7
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
1
10
100
1000
NO
RM
AL
IZ
E
D
G
AI
N
(
d
B)
FREQUENCY (MHz)
CL = 10pF
CL = 14pF
CL = 16pF
CL = 10pF
07715-
008
Figure 8. Large Signal 0.1 dB Flatness vs. Capacitive Load
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
1
10
D
IS
TOR
TION
(
dB
c
)
HD2
HD3
100
FREQUENCY (MHz)
07715-
009
VS = 3.3V
Figure 9. Harmonic Distortion vs. Frequency