ADG738 查看數據表（PDF） - Analog Devices
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ADG738 Datasheet PDF : 20 Pages
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ADG738/ADG739
TERMINOLOGY
VDD
Most positive power supply potential.
IDD
Positive supply current.
GND
Ground (0 V) reference.
S
Source terminal. May be an input or output.
D
Drain terminal. May be an input or output.
VD (VS)
Analog voltage on Terminal D, Terminal S.
RON
Ohmic resistance between D and S.
∆RON
On resistance match between any two channels, that is, RONmax
− RONmin.
RFLAT(ON)
Flatness is defined as the difference between the maximum and
minimum value of on resistance as measured over the specified
analog signal range.
IS (Off)
Source leakage current with the switch off.
ID (Off)
Drain leakage current with the switch off.
ID, IS (On)
Channel leakage current with the switch on.
VINL
Maximum input voltage for Logic 0.
VINH
Minimum input voltage for Logic 1.
IINL (IINH)
Input current of the digital input.
Data Sheet
CS (Off)
Off switch source capacitance. Measured with reference to
ground.
CD (Off)
Off switch drain capacitance. Measured with reference to
ground.
CD, CS (On)
On switch capacitance. Measured with reference to ground.
CIN
Digital input capacitance.
tON
Delay time between the 50% and 90% points of the SYNC rising
edge and the switch on condition.
tOFF
Delay time between the 50% and 90% points of the SYNC rising
edge and the switch off condition.
tD
Off time measured between the 80% points of both switches
when switching from one switch to another.
Charge Injection
A measure of the glitch impulse transferred from the digital
input to the analog output during switching.
Off Isolation
A measure of unwanted signal coupling through an off switch.
Crosstalk
A measure of unwanted signal which is coupled through from
one channel to another as a result of parasitic capacitance.
Bandwidth
The frequency at which the output is attenuated by 3 dB.
On Response
The frequency response of the on switch.
Insertion Loss
The loss due to the on resistance of the switch.
Rev. A | Page 14 of 20
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