MC33978AAE

丝印：33978；Package：LQFP-EP；22 channel multiple switch detection interface with programmable wetting current

The33978isdesignedtodetecttheclosingandopeningofupto22switchcontacts.Theswitchstatus,eitheropenorclosed,istransferredtothemicroprocessorunit(MCU)throughaserialperipheralinterface(SPI).ThisSMARTMOSdevicealsofeaturesa24-to-1analogmultiplexerforreadingth

ETC

MC33978AAE

22-channel multiple switch detection interface with programmable wetting current

Featuresandbenefits Fullyfunctionaloperationfrom4.5Vto36V •Fullparametricoperationfrom6.0Vto28V •Low-powermodecurrentIBATP=30μAandIDDQ=10μA •22Switchdetectionchannels –14Switch-to-Ground(SG)inputs –8Programmableswitch(SP)inputs –Switch-to-Ground

ETC

MC33978AAE

22 I/O MSDI可编程电流模拟复用器;

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