ADG609 查看數據表（PDF） - Analog Devices
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ADG609 Datasheet PDF : 12 Pages
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ADG608/ADG609
VDD
VDD S1
A2
A1
S8
A0
ADG608
EN
GND
D
VSS
VSS
VS
RL
1kΩ
VOUT
Test Circuit 9. OFF Isolation
VDD
A2
VDD
A1
EN
2.4V
A0 ADG608
1kΩ
S1
D
S2
RL VOUT
1kΩ
S8
VS
GND VSS
VSS
Test Circuit 10. Channel-to-Channel Crosstalk
TERMINOLOGY
VDD
Most positive power supply potential.
VSS
Most negative power supply potential in dual
supplies. In single supply applications, it may
be connected to ground.
GND
Ground (0 V) reference.
RON
∆RON
Ohmic resistance between D and S.
RON variation due to a change in the analog
input voltage with a constant load current.
RON Match
Difference between the RON of any two
channels.
IS (OFF)
ID (OFF)
ID, IS (ON)
Source leakage current when the switch is off.
Drain leakage current when the switch is off.
Channel leakage current when the switch is
on.
VD, VS
CS (OFF)
Analog voltage on terminals D, S.
Channel input capacitance for “OFF”
condition.
CD (OFF)
Channel output capacitance for “OFF”
condition.
CD, CS (ON)
CIN
tON (EN)
“ON” switch capacitance.
Digital input capacitance.
Delay time between the 50% and 90% points
of the digital input and switch “ON”
condition.
tOFF (EN)
Delay time between the 50% and 90% points
of the digital input and switch “OFF”
condition.
tTRANSITION
Delay time between the 50% and 90% points
of the digital inputs and the switch “ON”
condition when switching from one address
state to another.
tOPEN
“OFF” time measured between the 80%
points of both switches when switching from
one address state to another.
VINL
VINH
IINL (IINH)
Crosstalk
Maximum input voltage for logic “0.”
Minimum input voltage for logic “1.”
Input current of the digital input.
A measure of unwanted signal which is
coupled through from one channel to another
as a result of parasitic capacitance.
Off Isolation
A measure of unwanted signal coupling
through an “OFF” channel.
Charge Injection A measure of the glitch impulse transferred
from the digital input to the analog output
during switching.
IDD
Positive supply current.
ISS
Negative supply current.
–10–
REV. A
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