ADG408/ADG409 Data Sheet
Rev. D | Page 10 of 15
FREQUENCY (Hz)
110
70
OFF ISOL
A
TION (dB)
90
80
100
1k 10k 100k 1M
V
DD
= +15V
V
SS
= –15V
00027-016
Figure 16. Off Isolation vs. Frequency
FREQUENCY (Hz)
110
70
CROSSTALK (dB)
90
80
100
60
V
DD
= +15V
V
SS
= –15V
00027-017
1k 10k 100k 1M
Figure 17. Crosstalk vs. Frequency
Data Sheet ADG408/ADG409
Rev. D | Page 11 of 15
TEST CIRCUITS
R
ON
=V1/I
DS
V
S
SD
V1
I
DS
00027-018
Figure 18. On Resistance
S1
D
S2
S8
A
EN
GND
0.8V
I
S
(OFF)
V
S
V
D
V
DD
V
SS
V
DD
V
SS
00027-019
Figure 19. I
S
(Off)
I
D
(OFF)
S1
D
S2
S8
A
EN
GND
0.8V
V
S
V
D
V
SS
V
DD
V
SS
V
DD
00027-020
Figure 20. I
D
(Off)
S1
D
S8
A
EN
GND
2.4V
I
D
(ON)
V
D
V
S
V
DD
V
SS
V
DD
V
SS
00027-021
Figure 21. I
D
(On)
3V
0V
OUTPUT
t
r
< 20ns
t
f
<20ns
ADDRESS
DRIVE (V
IN
)
t
TRANSITION
t
TRANSITION
50% 50%
90%
90%
OUTPUT
ADG408
1
A0
A1
A2
50
300
GND
S1
S2–S7
S8
D
35pF
V
IN
2.4V EN
V
DD
V
SS
V
DD
V
SS
V
S1
V
S8
1
SIMILAR CONNECTION FOR ADG409.
00027-022
Figure 22. Switching Time of Multiplexer, t
TRANSlTlON
OUTPUT
ADG408
1
A0
A1
A2
50
300
GND
S1
S2–S7
S8
D
35pF
V
IN
2.4V EN
V
DD
V
SS
V
DD
V
SS
V
S
1
SIMILAR CONNECTION FOR ADG409.
3V
0V
OUTPUT
80% 80%
ADDRESS
DRIVE (V
IN
)
00027-023
t
OPEN
Figure 23. Break-Before-Make Delay, t
OPEN
ADG408/ADG409 Data Sheet
Rev. D | Page 12 of 15
OUTPUT
ADG408
1
A0
A1
A2
50
300
GND
S1
S2–S8
D
35pF
V
IN
EN
V
DD
V
SS
V
DD
V
SS
V
S
1
SIMILAR CONNECTION FOR ADG409.
3V
0V
O
UTPUT
50% 50%
t
OFF
(EN)
t
ON
(EN)
0.9V
O
0.9V
O
ENABLE
D
R
IVE (V
IN
)
00027-024
Figure 24. Enable Delay, t
ON
(EN), t
OFF
(EN)
3V
V
IN
V
OUT
Q
INJ
=C
L
× V
OUT
V
OUT
DS
EN
GND
C
L
10nF
V
OUT
V
IN
R
S
V
S
DD
SS
V
DD
V
SS
A0
A1
A2
ADG408
1
1
SIMILAR CONNECTION FOR ADG409.
00027-025
Figure 25. Charge Injection
OFF ISOLATION = 20 log V
OUT
/V
IN
ADG408
A0
A1
A2
EN
GND
D
S1
S8
0V
1k
V
OUT
V
S
V
SS
V
DD
V
SS
V
DD
00027-026
Figure 26. Off Isolation
ADG408
A0
A1
A2
EN
GND
D
S1
S8
1k1k
S2
2.4V
CROSSTALK = 20 log V
OUT
/V
IN
V
SS
V
DD
V
SS
V
DD
V
OUT
V
S
0
0027-027
Figure 27. Channel-to-Channel Crosstalk

ADG409BRU

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
IC MULTIPLEXER DUAL 4X1 16TSSOP
Lifecycle:
New from this manufacturer.
Delivery:
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