Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



We consent to the  incorporation  by  reference in the  Registration  Statements
(Form S-8 Nos.  33-8306,  33-27367,  33-37432,  333-40595,  33-57330,  33-58745,
333-84149,  333-60946 and  333-102542)  pertaining  to the 1986  Employee  Stock
Purchase Plan,  1981 Incentive  Stock Option Plan,  1988 Incentive  Stock Option
Plan, 1996 Incentive Stock Option Plan, and 2001 Nonstatutory  Stock Option Plan
and Form of Stock  Option  Agreement  of Linear  Technology  Corporation  of our
report  dated  August  31,  2005,  with  respect to the  consolidated  financial
statements  and schedule of Linear  Technology  Corporation,  Linear  Technology
Corporation  management's  assessment of the  effectiveness  of internal control
over  financial  reporting,  and the  effectiveness  of  internal  control  over
financial reporting of Linear Technology  Corporation included in this Amendment
No.1 to the Annual Report (Form 10-K/A) for the year ended July 3, 2005.


                                                           /s/ Ernst & Young LLP


San Jose, California
September 8, 2005



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