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    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		13
    CONFORMED PERIOD OF REPORT:	20180419
    FILED AS OF DATE:		20180308
    DATE AS OF CHANGE:		20180308
    EFFECTIVENESS DATE:		20180308

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SILICON LABORATORIES INC
    		CENTRAL INDEX KEY:			0001038074
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		IRS NUMBER:				742793174
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1230

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    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-29823
    		FILM NUMBER:		18676581

    	BUSINESS ADDRESS:
    		STREET 1:		400 W CESAR CHAVEZ
    		CITY:			AUSTIN
    		STATE:			TX
    		ZIP:			78701
    		BUSINESS PHONE:		5124168500

    	MAIL ADDRESS:
    		STREET 1:		400 W CESAR CHAVEZ
    		CITY:			AUSTIN
    		STATE:			TX
    		ZIP:			78701
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