Linear Technology (LLTC) 10-Q 2012 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Lothar Maier, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Linear Technology Corporation on Form 10-Q for the quarterly period ended January 1, 2012 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Linear Technology Corporation.

DATE:	February 2, 2012	By:	/s/ Lothar Maier
		Name:	Lothar Maier
		Title:	Chief Executive Officer

I, Paul Coghlan, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Linear Technology Corporation on Form 10-Q for the quarterly period ended January 1, 2012 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Linear Technology Corporation.

DATE:	February 2, 2012	By:	/s/ Paul Coghlan
		Name:	Paul Coghlan
		Title:	Chief Financial Officer