ADA4861-3
Rev. A | Page 6 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
RL = 150 Ω and CL = 4 pF, unless otherwise noted.
1
–6
–5
–4
–3
–2
–1
0
0.1
1
10
100
1000
0
57
08-
038
N
O
R
M
A
L
IZ
E
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
G = +1,
RF = 499
G = +2, RF = RG = 301
G = –1, RF = RG = 301
G = +5, RF = 200, RG = 49.9
G = +10, RF = 200, RG = 22.1
VS = ±5V
VOUT = 0.2V p-p
1
–6
–5
–4
–3
–2
–1
0
0.1
1
10
100
1000
0
57
08-
037
N
O
R
M
A
L
IZ
E
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
VS = 5V
VOUT = 0.2V p-p
G = +1, RF = 499
G = +2, RF = RG = 301
G = –1, RF = RG = 301
G = +5, RF = 200, RG = 49.9
G = +10, RF = 200, RG = 22.1
Figure 4. Small Signal Frequency Response for Various Gains
Figure 7. Small Signal Frequency Response for Various Gains
1
–6
–5
–4
–3
–2
–1
0
0.1
1
10
100
1000
0
57
08-
028
N
O
R
M
A
L
IZ
E
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
G = –1, RF G = 301
G = +5, RF = 200, RG = 49.9
G = +2, RF = RG = 301
G = +1, RF = 499
G = +10, RF = 200, RG = 22.1
VS = ±5V
VOUT = 2V p-p
1
–6
–5
–4
–3
–2
–1
0
0.1
1
10
100
1000
0
57
08-
027
N
O
R
M
A
L
IZ
E
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
G = –1, RF = RG = 301
G = +5, RF = 200, RG = 49.9
G = +2, RF = RG = 301
G = +1, RF = 499
G = +10, RF = 200, RG = 22.1
VS = 5V
VOUT = 2V p-p
Figure 8. Large Signal Frequency Response for Various Gains
Figure 5. Large Signal Frequency Response for Various Gains
7
0
1
2
3
4
5
6
0.1
1
10
100
1000
0
57
08-
029
C
L
OS
E
D
-L
OOP
G
A
IN
(
d
B
)
FREQUENCY (MHz)
VS = ±5V
G = +2
VOUT = 1V p-p
VOUT = 2V p-p
VOUT = 4V p-p
6.1
6.0
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
0.1
1
10
100
1000
0
57
08-
011
C
L
OS
E
D
-L
OOP
G
A
IN
(
d
B
)
FREQUENCY (MHz)
G = +2
VOUT = 2V p-p
RF = RG = 301
VS = +5V
VS = ±5V
Figure 6. Large Signal 0.1 dB Flatness
Figure 9. Large Signal Frequency Response for Various Output Levels