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ADG798HFZ
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
ADG798
Data Sheet
Rev. 0 | Page 12 of 20
SOURCE VOLTAGE (V)
–3
20
Q
INJ
(pC)
–1
1
2
5
T
A
= 25°C
10
0
–10
–20
–40
3
–30
4
0
–2
V
DD
= +
2.5
V
V
SS
= –2
.5V
V
DD
= +3V
V
SS
= 0V
V
DD
= +5V
V
SS
= 0V
14880-019
Figure 22. Charge I
njection (Q
INJ
) vs. Source Voltag
e
6
7
8
9
10
11
12
13
14
–55
–35
–15
5
25
45
65
85
105
125
145
165
185
205
BREAK-BE
FO
RE-
MAKE T
IM
E (n
s)
TE
MPERATURE
(°C)
V
DD
= 5V
, V
SS
= 0V
V
DD
= 3V
, V
SS
= 0V
V
DD
= +2.5V, V
SS
= –2
.5V
14880-122
Figure 23. Break-Before-M
ake Time vs. Temp
erature
Data Sheet
ADG798
Rev. 0 | Page 13 of 20
TEST CIRCUITS
R
ON
= V1/I
DS
V
S
V1
I
DS
D
Sx
14880-0
20
Figure 24. On Resistance
A
0.8V
D
I
S
(OFF)
S1
S2
S8
EN
GND
V
S
V
D
V
SS
V
DD
V
SS
V
DD
14880-021
Figure 25. I
S
(Off)
V
S
A
0.8V
D
I
D
(OFF)
V
SS
V
DD
V
SS
V
DD
S1
S2
S8
EN
GND
V
D
14880-022
Figure 26. I
D
(Off)
V
S
V
SS
V
DD
A
2.4V
D
I
D
(ON)
S1
S8
EN
GND
V
D
V
SS
V
DD
14880-023
Figure 27. I
D
(On)
V
SS
V
DD
V
SS
V
DD
V
S8
3V
50%
t
TRANSITIO
N
10%
90%
ADDRESS
DRIVE
(V
IN
)
50%
0V
V
S1
V
OUT
t
TRANSITIO
N
A2
D
A1
A0
EN
GND
ADG798
S1
S8
S2 TO S7
V
IN
V
INH
+0.1V
50
Ω
V
S1
V
S8
R
L
300
Ω
C
L
35pF
V
OU
T
14880-024
Figure 28. Swit
ching Time
of Multiplex
er, t
TRANSITIO
N
t
OPE
N
3V
90%
90%
ADDRESS
DRIVE (V
IN
)
0V
V
OUT
A2
D
A1
A0
EN
GND
ADG79
8
S1
S8
S2 TO S7
V
IN
V
INH
+0.1V
50
Ω
V
DD
V
DD
V
SS
V
SS
V
S
R
L
300
Ω
C
L
35pF
V
OUT
14880-025
Figure 29. Break-Before-M
ake Delay, t
OPEN
ADG798
Data Sheet
Rev. 0 | Page 14 of 20
OUTPU
T
3V
50%
ENABL
E
DRIV
E (V
IN
)
50%
0V
V
OUT
t
ON
(EN)
0V
0.9V
OU
T
0.9V
OU
T
t
OFF
(EN)
A2
D
A1
A0
EN
GND
ADG798
S1
S2 TO S8
V
IN
35pF
V
DD
V
SS
V
DD
V
SS
V
S
300
Ω
R
L
C
L
V
OUT
50
Ω
14880-026
Figure 30. Enable De
lay, t
ON
(EN), t
OFF
(EN)
LOGIC INPU
T
(V
IN
)
3
V
0V
V
OUT
Q
INJ
= C
L
×
∆
V
OU
T
A2
V
OU
T
V
DD
D
A1
A0
EN
GND
ADG79
8
C
L
1nF
V
DD
Sx
V
IN
R
S
V
SS
V
SS
V
S
∆
V
OU
T
14880-027
Figure 31. Charge I
njection
V
S
V
OUT
50
Ω
NET
WO
RK
ANALYZ
ER
R
L
50
Ω
GND
Sx
D
V
S
OFF ISOL
A
T
ION =
20 log
V
OUT
0.1µF
V
DD
A2
A1
A0
EN
2
.4V
0.1
µF
V
SS
V
DD
V
SS
50
Ω
14880-02
8
Figure 32. Off Isolatio
n
V
OU
T
V
S
A2
D
A1
A0
EN
GND
ADG798
S1
S2
S8
2.4V
NETW
O
RK
ANALYZ
ER
NET
WO
RK
ANALY
ZE
R
R
L
50
Ω
V
OUT
0.1µF
0.1µF
V
DD
V
SS
V
DD
V
SS
50
Ω
V
S
50
Ω
CHANNEL
T
O CHANNE
L C
RO
SST
ALK =
20 lo
g
14880-029
Figure 33. Channel to
Channel Crosstalk
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
ADG798HFZ
Mfr. #:
Buy ADG798HFZ
Manufacturer:
Analog Devices Inc.
Description:
Multiplexer Switch ICs Latchup Proof, 20V, 15V,+12V,+36V 8-1MUX
Lifecycle:
New from this manufacturer.
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