Datasheet

REV. C
ADG428/ADG429
–9–
TEST CIRCUITS
I
DS
V1
SD
V
S
R
ON
= V1/I
DS
Test Circuit 1. On Resistance
S1
D
S2
S8
A
EN
GND
V
DD
V
SS
V
DD
V
SS
+0.8V
V
D
V
S
I
S
(OFF)
Test Circuit 2. I
S
(OFF)
S1
D
S2
S8
A
EN
GND
V
DD
V
SS
V
DD
V
SS
+0.8V
V
D
V
S
I
D
(OFF)
Test Circuit 3. I
D
(OFF)
S1
D
S8
A
EN
GND
V
DD
V
SS
V
DD
V
SS
2.4V
V
D
V
S
I
D
(ON)
Test Circuit 4. I
D
(ON)
V
DD
V
SS
V
DD
V
SS
V
S1
V
S8
OUTPUT
ADG428*
A0
A1
A2
50V
2.4V
EN
GND
S1
S2–S7
S8
D
1MV
35pF
*SIMILAR CONNECTION FOR ADG429
RS
V
IN
WR
3V
0V
ENABLE
DRIVE – V
IN
t
TRANSITION
t
TRANSITION
OUTPUT
50% 50%
90%
90%
Test Circuit 5. Switching Time of Multiplexer, t
TRANSITION
V
DD
V
SS
V
DD
V
SS
V
S
OUTPUT
ADG428*
A0
A1
A2
50V
2.4V
EN
GND
S1
S2–S7
S8
D
1kV
35pF
*SIMILAR CONNECTION FOR ADG429
RS
V
IN
WR
3V
0V
ADDRESS
DRIVE – V
IN
OUTPUT
80%
80%
t
OPEN
Test Circuit 6. Break-Before-Make Delay, t
OPEN