<SEC-DOCUMENT>0001104659-19-032437-index.html : 20190529
<SEC-HEADER>0001104659-19-032437.hdr.sgml : 20190529
<ACCEPTANCE-DATETIME>20190529163532
ACCESSION NUMBER:		0001104659-19-032437
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20181231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20181231
</ITEM>
</RULE>
FILED AS OF DATE:		20190529
DATE AS OF CHANGE:		20190529

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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29823
		FILM NUMBER:		19862475

	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>SD
<SEQUENCE>1
<FILENAME>a19-10587_1sd.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: a19-10587_1sd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>a19-10587_1ex1d01.htm
<DESCRIPTION>EX-1.01
<TEXT>
Document 2 - file: a19-10587_1ex1d01.htm

</DOCUMENT>
</SEC-DOCUMENT>