<SEC-DOCUMENT>0001571049-15-001778-index.html : 20150309
<SEC-HEADER>0001571049-15-001778.hdr.sgml : 20150309
<ACCEPTANCE-DATETIME>20150309160609
ACCESSION NUMBER:		0001571049-15-001778
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20150309
DATE AS OF CHANGE:		20150309
EFFECTIVENESS DATE:		20150309

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:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29823
		FILM NUMBER:		15685262

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>t81584a_defa14a.htm
<DESCRIPTION>DEFINITIVE ADDITIONAL MATERIALS
<TEXT>
Document 1 - file: t81584a_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>t81584001_v1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: t81584001_v1.jpg

</DOCUMENT>
</SEC-DOCUMENT>