Datasheet

Data Sheet AD8421
Rev. 0 | Page 19 of 28
–
40
–120
10 10k1k100
AMPLITUDE (dBc)
FREQUENCY (Hz)
10123-075
–110
–100
–90
–80
–70
–60
–50
V
OUT
= 10V p-p
NO LOAD
R
L
= 2kΩ
R
L
= 600Ω
Figure 58. Second Harmonic Distortion vs. Frequency (G = 1000)
–
40
–120
10 10k1k100
AMPLITUDE (dBc)
FREQUENCY (Hz)
10123-076
–110
–100
–90
–80
–70
–60
–50
V
OUT
= 10V p-p
R
L
≥ 600Ω
Figure 59. Third Harmonic Distortion vs. Frequency (G = 1000)
–
20
–140
10 10k1k100
AMPLITUDE (dBc)
FREQUENCY (Hz)
10123-077
–110
–120
–130
–100
–90
–80
–70
–60
–50
–40
–30
G = 1
G = 10
G = 100
G = 1000
V
OUT
= 10V p-p
R
L
= 2kΩ
Figure 60. THD vs. Frequency
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