TMUX7411F datasheet(17/30 Pages) TI

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8.3 Off-Leakage Current

There are two types of leakage currents associated with a switch during the off state:

1. Source off-leakage current IS(OFF): the leakage current flowing into or out of the source pin when the switch is

off.

2. Drain off-leakage current ID(OFF): the leakage current flowing into or out of the drain pin when the switch is off.

Figure 8-2 shows the setup used to measure both off-leakage currents.

Is (OFF)

VDD

VSS

GND

IS(OFF)

Is (OFF)

GND

VDD

VSS

GND

ID(OFF)

GND

ID (OFF)

Figure 8-2. Off-Leakage Measurement Setup

8.4 On-Leakage Current

Source on-leakage current (IS(ON)) and drain on-leakage current (ID(ON)) denote the channel leakage currents

when the switch is in the on state. IS(ON) is measured with the drain floating, while ID(ON) is measured with the

source floating. Figure 8-3 shows the circuit used for measuring the on-leakage currents.

Is (OFF)

VDD

VSS

GND

IS(ON)

Is (OFF)

GND

N.C.

ID (OFF)

VDD

VSS

GND

ID(ON)

ID (OFF)

GND

N.C.

Figure 8-3. On-Leakage Measurement Setup

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