ADG1208 datasheet(14/20 Pages) AD

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ADG1208/ADG1209

Rev. 0 | Page 14 of 20

TERMINOLOGY

RON

Ohmic resistance between D and S.

ΔRON

Difference between the RON of any two channels.

IS (Off)

Source leakage current when the switch is off.

ID (Off)

Drain leakage current when the switch is off.

ID, IS (On)

Channel leakage current when the switch is on.

VD (VS)

Analog voltage on terminals D, S.

CS (Off)

Channel input capacitance for off condition.

CD (Off)

Channel output capacitance for off condition.

CD, CS (On)

On switch capacitance.

CIN

Digital input capacitance.

tON (EN)

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.

TBBM

Off time measured between the 80% point of both switches

when switching from one address state to another.

VINL

Maximum input voltage for Logic 0.

VINH

Minimum input voltage for Logic 1.

IINL (IINH)

Input current of the digital input.

IDD

Positive supply current.

ISS

Negative supply current.

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.

Bandwidth

The frequency at which the output is attenuated by 3 dB.

On Response

The frequency response of the on switch.

THD + N

The ratio of the harmonic amplitude plus noise of the signal to

the fundamental.

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