EXHIBIT 23.1

                        CONSENT OF INDEPENDENT AUDITORS

    We consent to the reference to our firm under the caption "Experts" and to
the use of our report dated January 11, 2000, in Amendment No. 1 to the
Registration Statement (Form S-1 No. 333-94853) and related Prospectus of
Silicon Laboratories Inc. filed with the Securities and Exchange Commission on
or about February 24, 2000.

                                          /s/ ERNST & YOUNG LLP

Austin, Texas
February 23, 2000