TMUX7211 datasheet(21/42 Pages) TI

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8.3 On-Leakage Current

Source on-leakage current is defined as the leakage current flowing into or out of the source pin when the switch

is on. This current is denoted by the symbol IS(ON).

Drain on-leakage current is defined as the leakage current flowing into or out of the drain pin when the switch is

on. This current is denoted by the symbol ID(ON).

Either the source pin or drain pin is left floating during the measurement. Figure 8-3 shows the circuit used for

measuring the on-leakage current, denoted by IS(ON) or ID(ON).

GND

Is (ON)

VDD

VSS

IS(ON)

GND

VDD

VSS

ID(ON)

ID (ON)

Is (ON)

ID (ON)

N.C.

Figure 8-3. On-Leakage Measurement Setup

8.4 tON and tOFF Time

Turn-on time is defined as the time taken by the output of the device to rise to 90% after the enable has risen

past the logic threshold. The 90% measurement is utilized to provide the timing of the device. System level

timing can then account for the time constant added from the load resistance and load capacitance. Figure 8-4

shows the setup used to measure turn-on time, denoted by the symbol tON.

Turn-off time is defined as the time taken by the output of the device to fall to 10% after the enable has fallen

past the logic threshold. The 10% measurement is utilized to provide the timing of the device. System level

timing can then account for the time constant added from the load resistance and load capacitance. Figure 8-4

shows the setup used to measure turn-off time, denoted by the symbol tOFF.

3 V

VEN

0 V

50%

tON

tOFF

10%

90%

Output

tr < 20 ns

tf < 20 ns

VDD

VSS

VDD

VSS

0.1 µF

GND

0 V

VSELx

Output

Figure 8-4. Turn-On and Turn-Off Time Measurement Setup

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TMUX7211, TMUX7212, TMUX7213

SCDS416B – OCTOBER 2020 – REVISED APRIL 2021

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