
3V
EN
VOUT
QINJ = CL ؋ ⌬VOUT
⌬VOUT
VS
RS
VIN
ADG428/ADG429
VDD
VSS
VDD
VSS
A0
RS
A1
A2 ADG428*
S
D
EN
GND WR
2.4V
VOUT
CL
10nF
*SIMILAR CONNECTION FOR ADG429
Test Circuit 10. Charge Injection
VDD
VSS
VDD
VSS
A0
RS
A1
A2
ADG428
S1
D
2.4V
VOUT
VS
S8
1k⍀
0V
EN
GND WR
1k⍀
VS
VDD
VSS
VDD
VSS
A0
EN
A1
RS
A2 ADG428
S1
D
S2
S8
GND WR
2.4V
VOUT
1k⍀
Test Circuit 11. OFF Isolation
Test Circuit 12. Crosstalk
REV. C
–11–