Datasheet

ADG438F/ADG439F
Rev. E | Page 9 of 16
TEST CIRCUITS
I
DS
S
R
ON
= V
1
/I
DS
V1
V
S
D
00468-021
Figure 17. On Resistance
S1
S2
S8
V
D
I
S
(OFF)
V
S
V
DD
V
SS
V
DD
V
SS
D
0.8VEN
A
00468-022
Figure 18. I
S
(Off)
S1
S2
S8
V
S
I
D
(OFF)
V
D
V
DD
V
SS
V
DD
V
SS
D
0.8VEN
A
00468-023
Figure 19. I
D
(Off)
SD
A
V
D
I
D
(ON)
NC
NC = NO CONNECT
00468-025
Figure 20. I
D
(On)
S1
S2
S8
V
S
V
D
V
DD
V
SS
V
DD
V
SS
D
0.8VEN
A
00468-026
Figure 21. Input Leakage Current (with Overvoltage)
A2
0
V
0
V
V
DD
V
SS
V
S
D
0V
A1
A0
EN
GND
ADG438F*
S1
S8
A
*SIMILAR CONNECTION FOR ADG439F.
00468-027
Figure 22. Input Leakage Current (with Power Supplies Off)
V
IN
A2
V
DD
V
DD
D
V
SS
V
SS
A1
A0
GND
ADG438F*
S1
S8
*SIMILAR CONNECTION FOR ADG439F.
V
OUT
R
L
50Ω
00468-034
Figure 23. Off Isolation
CHANNEL-TO-CHANNEL CROSSTALK = 20 log
V
OUT
GND
S1
D
S2
V
OUT
NETWORK
ANALYZER
R
L
50Ω
R
50Ω
V
S
V
S
V
DD
V
SS
0.1µF
V
DD
0.1µF
V
SS
00468-200
Figure 24. Channel-to-Channel Crosstalk