ADG774A 查看數據表（PDF） - Analog Devices
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ADG774A Datasheet PDF : 16 Pages
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TERMINOLOGY
VDD
Most positive power supply potential.
GND
Ground (0 V) reference.
S
Source terminal. May be an input or output.
D
Drain terminal. May be an input or output.
IN
Logic control input.
EN
Logic control input.
RON
Ohmic resistance between D and S.
∆RON
On resistance match between any two channels, that is,
RON max − RON min.
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.
ADG774A
VD (VS)
Analog voltage on the D and S terminals.
CS (OFF)
Off switch source capacitance.
CD (OFF)
Off switch drain capacitance.
CD, CS (ON)
On switch capacitance.
tON
Delay between applying the digital control input and the output
switching on. See Figure 22.
tOFF
Delay between applying the digital control input and the output
switching off.
tD
Off time or on time measured between the 80% points of both
switches when switching from one address state to another. See
Figure 23.
Crosstalk
A measure of unwanted signal that is coupled through from one
channel to another because of parasitic capacitance.
Off Isolation
A measure of unwanted signal coupling through an off switch.
Bandwidth
Frequency response of the switch in the on state measured at
3 dB down.
Distortion
RFLAT(ON)/RL
Rev. B | Page 11 of 16
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