AD8038/AD8039
Rev. G | Page 8 of 16
HAR
M
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
RL = 500 HD2
RL = 500 HD3
RL = 2k HD3
RL = 2k HD2
FREQUENCY (MHz)
15
4
3
2
678
9
10
02
95
1-
0
18
Figure 18. Harmonic Distortion vs. Frequency for Various Loads,
VS = 5 V, VOUT = 2 V p-p, G = +2
FREQUENCY (MHz)
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(d
Bc)
–90
–80
–70
–60
–50
G = +1 HD2
G = +2 HD2
G = +1 HD3
G = +2 HD3
–100
15
4
3
2
6789
10
02
95
1
-01
9
Figure 19. Harmonic Distortion vs. Frequency for Various Gains,
VS = ±5 V, VOUT = 2 V p-p
FREQUENCY (MHz)
HA
RM
O
N
IC
DI
S
T
O
RT
IO
N
(d
Bc)
–100
–90
–70
–60
–50
G = +1 HD2
G = +2 HD2
G = +1 HD3
G = +2 HD3
–80
15
4
3
2
678
9
10
02
95
1-
0
20
Figure 20. Harmonic Distortion vs. Frequency for Various Gains,
VS = 5 V, VOUT = 2 V p-p
AMPLITUDE (V p-p)
1
234
HAR
M
O
NI
C
DI
S
T
O
R
T
IO
N
(
d
Bc)
–100
–80
–70
–60
–50
10MHz HD2
10MHz HD3
5MHz HD2
5MHz HD3
1MHz HD2
1MHz HD3
–90
–40
0
29
51
-02
1
Figure 21. Harmonic Distortion vs. VOUT Amplitude for Various Frequencies,
VS = ±5 V, G = +2
AMPLITUDE (V p-p)
1.0
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
–85
–75
–65
–55
10MHz HD2
10MHz HD3
5MHz HD2
5MHz HD3
1MHz HD2
–95
–45
1.5
2.0
2.5
3.0
1MHz HD3
02
95
1-
0
22
Figure 22. Harmonic Distortion vs. Amplitude for Various Frequencies,
VS = 5 V, G = +2
1000
VO
L
T
A
G
E
N
O
IS
E
(n
V/
H
z)
100
10
1
10
FREQUENCY (Hz)
10M
100k
1k
100
10k
100M
1M
02
95
1-
0
23
Figure 23. Input Voltage Noise vs. Frequency