Datasheet

Data Sheet ADG1421/ADG1422/ADG1423
Rev. A | Page 11 of 16
–120
–100
–80
–60
–40
–20
0
OFF ISOL
A
TION (dB)
FREQUENCY (Hz)
10k 100k 1M 10M 100M 1G1k
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
08487-008
Figure 18. Off Isolation vs. Frequency
–4.0
–3.5
–3.0
–2.5
–1.5
–1.0
–0.5
0
INSERTION LOSS (dB)
FREQUENCY (Hz)
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
10k 100k 1M 10M 100M 1G
–2.0
08487-007
Figure 19. On Response vs. Frequency
–120
–100
–80
–60
–40
–20
0
CROSSTALK (dB)
FREQUENCY (Hz)
10k 100k 1M 10M 100M 1G
08487-012
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
Figure 20. Crosstalk vs. Frequency
0
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
0 5M 10M 15M 20M
THD + N (%)
FREQUENCY (Hz)
R
L
= 110Ω
T
A
= 25°C
V
DD
= 5V, V
SS
= 5V, V
S
= 5V p-p
V
DD
= 15V, V
SS
= 15V, V
S
= 10V p-p
08487-011
Figure 21. THD + N vs. Frequency
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
ACPSRR (dB)
FREQUENCY (Hz)
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
DECOUPLING
CAPACITORS
1k 1M 10M10k 100k
08487-009
NO DECOUPLING
CAPACITORS
Figure 22. ACPSRR vs. Frequency
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