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Figure 1. ISO7131, ISO7140, ISO7141, and ISO7142 Pinout

EVM Schematics of the Triple and Quad Isolators

This multifunctional EVM is designed with the signal paths displayed in Figure 2 throughFigure 5 for the

evaluation of the ISO7131, ISO7140, ISO7141 and ISO7142.

Note that each input channel has a 50-Ω load resistor to ground. Each output channel has a 4.7-pf load

capacitor to ground. These are not populated by default. Instead, there are pads on the board for the user

to install either a resistor or capacitor, depending on the desired configuration.

SLLU179–March 2013 ISO71xx EVM User’s Guide

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