Datasheet

AD8000 Data Sheet
Rev. B | Page 10 of 20
–120
–110
–
100
–
90
–
80
–70
DISTORTION (dBc)
–
60
–
50
–
40
05321-051
FREQUENCY (MHz)
1
10
100
SECOND HD
THIRD HD
V
S
=
±
5V
V
OUT
= 2V p-p
G = –1
R
L
= 1k
Ω
LFCSP
Figure 29. Harmonic Distortion vs. Frequency
0.01
0.1
1
10
100
1k
IMPEDANCE (Ω)
FREQUENCY (MHz)
1
0.1 10
100
1000
05321-023
V
S
= ±
5V
V
IN
= 0.2V p-p
R
F
= 432
Ω
LFCSP
G = +1
OR G = +2
Figure 30. Output Impedance vs. Frequency
2.35
2.40
2.45
2.50
2.55
2.60
2.65
RESPONSE (V)
0 5 10 15 20 25 30 35 40 45 50
TIME (ns)
05321-072
G = +2
G = +1
V
S
= 5V
R
F
= 432Ω
R
S
= 0Ω
R
L
= 100Ω
Figure 31. Small Signal Transient Response
PSRR (dB)
FREQUENCY (MHz)
10.1 10 100
05321-021
–
75
–70
–60
–
40
–
30
–20
–15
–10
–50
–
65
–45
–35
–25
–
55
V
S
= ±5V
V
IN
= 2V p-p
R
L
= 100Ω
G = +1
R
F
= 432Ω
–PSRR
+PSRR
Figure 32. Power Supply Rejection Ratio (PSRR) vs. Frequency
CMRR (dB)
05321-031
FREQUENCY (MHz)
10.1 10 100 1000
–60
–
40
–30
–50
–65
–45
–35
–25
–55
V
S
= ±
5V
V
IN
= 1V p-p
R
L
= 100Ω
LFCSP
Figure 33. Common-Mode Rejection Ratio vs. Frequency
–0.150
–0.125
–0.075
0.025
0.075
0.125
0.150
0.175
–0.025
–0.100
0
0.050
0.100
–0.050
RESPONSE (V)
TIME (ns)
05321-066
–0.175
0
5 10 15 20 25 30 35 40 45 50
G = +1
G = +2
V
S
=
±5V
R
F
= 432
Ω
R
S
= 0Ω
R
L
= 100Ω
Figure 34. Small Signal Transient Response