ADG2108BCPZ-R2 datasheet(17/28 Pages) AD

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ADG2108

Rev. 0 | Page 17 of 28

TERMINOLOGY

On Resistance (RON)

The series on-channel resistance measured between the

X input/output and the Y input/output.

On Resistance Match (ΔRON)

The channel-to-channel matching of on resistance when

channels are operated under identical conditions.

On Resistance Flatness (RFLAT(ON))

The variation of on resistance over the specified range produced

by the specified analog input voltage change with a constant

load current.

Channel Off Leakage (IOFF)

The sum of leakage currents into or out of an off channel input.

Channel On Leakage (ION)

The current loss/gain through an on-channel resistance,

creating a voltage offset across the device.

Input Leakage Current (IIN)

The current flowing into a digital input when a specified low

level or high level voltage is applied to that input.

Input Off Capacitance (COFF)

The capacitance between an analog input and ground when the

switch channel is off.

Input/Output On Capacitance (CON)

The capacitance between the inputs or outputs and ground

when the switch channel is on.

Digital Input Capacitance (CIN)

The capacitance between a digital input and ground.

Output On Switching Time (tON)

The time required for the switch channel to close. The time is

measured from 50% of the logic input change to the time the

output reaches 10% of the final value.

Output Off Switching Time (tOFF)

The time required for the switch to open. This time is measured

from 50% of the logic input change to the time the output

reaches 90% of the switch off condition.

Total Harmonic Distortion + Noise (THD + N)

The ratio of the harmonic amplitudes plus noise of a signal to

the fundamental.

−3 dB Bandwidth

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

Off Isolation

The measure of unwanted signal coupling through an off switch.

Crosstalk

The measure of unwanted signal that is coupled through from

one channel to another as a result of parasitic capacitance.

Differential Gain

The measure of how much color saturation shift occurs when

the luminance level changes. Both attenuation and amplification

can occur; therefore, the largest amplitude change between any

two levels is specified and is expressed as a percentage of the

largest chrominance amplitude.

Differential Phase

The measure of how much hue shift occurs when the luminance

level changes. It can be a negative or positive value and is

expressed in degrees of subcarrier phase.

Charge Injection

The measure of the glitch impulse transferred from the digital

input to the analog output during on/off switching.

Input High Voltage (VINH)

The minimum input voltage for Logic 1.

Input Low Voltage (VINL)

The maximum input voltage for Logic 0.

Output Low Voltage (VOL)

The minimum input voltage for Logic 1.

Input Low Voltage (VINL)

The maximum output voltage for Logic 0.

IDD

Positive supply current.

ISS

Negative supply current.

ADG2108BCPZ-R2 数据表(PDF) 17 Page - Analog Devices

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