<SEC-DOCUMENT>0001047469-19-002853-index.html : 20190503
<SEC-HEADER>0001047469-19-002853.hdr.sgml : 20190503
<ACCEPTANCE-DATETIME>20190503162407
ACCESSION NUMBER:		0001047469-19-002853
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20181229
FILED AS OF DATE:		20190503
DATE AS OF CHANGE:		20190503

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:			1228

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29823
		FILM NUMBER:		19796529

	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>10-K/A
<SEQUENCE>1
<FILENAME>a2238673z10-ka.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: a2238673z10-ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>a2238673zex-23_1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 2 - file: a2238673zex-23_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>a2238673zex-31_1.htm
<DESCRIPTION>EX-31.1
<TEXT>
Document 3 - file: a2238673zex-31_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>a2238673zex-31_2.htm
<DESCRIPTION>EX-31.2
<TEXT>
Document 4 - file: a2238673zex-31_2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>5
<FILENAME>a2238673zex-32_1.htm
<DESCRIPTION>EX-32.1
<TEXT>
Document 5 - file: a2238673zex-32_1.htm

</DOCUMENT>
</SEC-DOCUMENT>