ADG774ABCPZ-R2 datasheet(11/14 Pages) AD

11 / 14 page

Data Sheet

ADG774A

Rev. C | Page 11 of 14

TERMINOLOGY

VDD

Most positive power supply potential.

GND

Ground (0 V) reference.

Source terminal. May be an input or output.

Drain terminal. May be an input or output.

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.

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.

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

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