Datasheet

ADG1438/ADG1439
Rev. A | Page 15 of 20
–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
08496-121
–4.0
–3.5
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
INSERTION LOSS (dB)
FREQUENCY (Hz)
10k 100k 1M 10M 100M1k
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
08496-124
Figure 21. Off Isolation vs. Frequency Figure 24. ADG1438 On Response vs. Frequency
–120
–100
–80
–60
–40
–20
0
CROSSTALK (dB)
FREQUENCY (Hz)
10k 100k 1M 10M 100M 1G
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
08496-122
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
0 5 10 15 20
THD + N (%)
FREQUENCY (kHz)
LOAD = 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
08496-026
Figure 25. THD + N vs. Frequency Figure 22. ADG1438 Crosstalk vs. Frequency
–120
–100
–80
–60
–40
–20
0
ACPSRR (dB)
FREQUENCY (Hz)
1k 1M 10M10k 100k
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
NO DECOUPLING
CAPACITORS
DECOUPLING
CAPACITORS
08496-127
–120
–100
–80
–60
–40
–20
0
CROSSTALK (dB)
FREQUENCY (Hz)
10k 100k 1M 10M 100M 1G
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
08496-123
Figure 26. ACPSRR vs. Frequency Figure 23. ADG1439 Crosstalk vs. Frequency