Datasheet

AD8027/AD8028
Rev. C | Page 11 of 24
OUTPUT VOLTAGE (V p-p)
01234567891
–140
–120
–100
–80
–60
–40
–20
DISTORTION (dB)
0
G = +1 (R
F
= 24.9Ω)
FREQUENCY = 100kHz
R
L
= 1kΩ
V
S
= ±5V
V
S
= +3V
V
S
= +5V
SECOND HARMONIC: SOLID LINE
THIRD HARMONIC: DASHED LINE
03327-A-021
Figure 22. Harmonic Distortion vs. Output Amplitude
INPUT COMMON-MODE VOLTAGE (V)
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
DISTORTION (dB)
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
G = +1 (R
F
= 24.9Ω)
V
OUT
= 1.0V p-p @ 100kHz
R
L
= 1kΩ
SECOND HARMONIC: SOLID LINE
THIRD HARMONIC: DASHED LINE
V
S
= +3V
V
S
= +5V
03327-A-022
Figure 23. Harmonic Distortion vs. Input Common-Mode Voltage,
SELECT = High
FREQUENCY (MHz)
0.1 1 10 20
DISTORTION (dB)
–140
–120
–100
–80
–60
–40
–20
G = +1 (R
F
= 24.9Ω)
V
OUT
= 2.0V p-p
SECOND HARMONIC: SOLID LINE
THIRD HARMONIC: DASHED LINE
R
L
= 150Ω
R
L
= 1kΩ
03327-A-023
Figure 24. Harmonic Distortion vs. Frequency and Load
INPUT COMMON-MODE VOLTAGE (V)
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
DISTORTION (dB)
–125
–115
–105
–95
–85
–75
–65
–55
–45
G = +1 (R
F
= 24.9Ω)
V
OUT
= 1.0V p-p @ 2MHz
SELECT = HIGH
SELECT = TRI
SELECT = TRI
SELECT = HIGH
SECOND HARMONIC: SOLID LINE
THIRD HARMONIC: DASHED LINE
03327-A-024
Figure 25. Harmonic Distortion vs. Input Common-Mode Voltage, V
S
= 5 V
INPUT COMMON-MODE VOLTAGE (V)
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
DISTORTION (dB)
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
G = +1 (R
F
= 24.9Ω)
V
OUT
= 1.0V p-p @ 100kHz
SECOND HARMONIC: SOLID LINE
THIRD HARMONIC: DASHED LINE
V
S
= +3V
V
S
= +5V
03327-A-025
Figure 26. Harmonic Distortion vs. Input Common-Mode Voltage,
SELECT = Three-State or Open
FREQUENCY (MHz)
0.1 1 10 20
DISTORTION (dB)
–140
–120
–100
–80
–60
–40
–20
V
S
= +5
V
OUT
= 2.0V p-p
SECOND HARMONIC: SOLID LINE
THIRD HARMONIC: DASHED LINE
G = +2
G = +1
G = +10
03327-A-026
Figure 27. Harmonic Distortion vs. Frequency and Gain