UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549

                                SCHEDULE 13G

                 Under the Securities Exchange Act of 1934

                         SILICON LABORATORIES INC.
- --------------------------------------------------------------------------------
                              (Name of Issuer)

                       COMMON STOCK, PAR VALUE $.0001
- --------------------------------------------------------------------------------
                       (Title of Class of Securities)

                               826919 10 2
                     ----------------------------------
                              (CUSIP Number)

                             December 31, 2001
- --------------------------------------------------------------------------------
               (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

     / / Rule 13d-1(b)

     / / Rule 13d-1(c)

     /X/ Rule 13d-1(d)


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CUSIP No. 826919 10 2
          -----------

- -------------------------------------------------------------------------------
 (1) Names of Reporting Persons.
     I.R.S. Identification Nos. of above persons (entities only).

     Navdeep S. Sooch
- -------------------------------------------------------------------------------
 (2) Check the Appropriate Box if a Member   (a)  / /
     of a Group                              (b)  /X/
- -------------------------------------------------------------------------------
 (3) SEC Use Only

- -------------------------------------------------------------------------------
 (4) Citizenship or Place of Organization
     United States of America
- -------------------------------------------------------------------------------
 Number of Shares             (5) Sole Voting Power
 Beneficially                       6,698,228
 Owned by                    --------------------------------------------------
 Each Reporting               (6) Shared Voting Power
 Person With:                       479,500
                             --------------------------------------------------
                              (7) Sole Dispositive Power
                                    6,698,228
                             --------------------------------------------------
                              (8) Shared Dispositive Power
                                    479,500
- -------------------------------------------------------------------------------
 (9) Aggregate Amount Beneficially Owned by Each Reporting Person
     7,177,728
- -------------------------------------------------------------------------------
(10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares     / /

- -------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
     14.7%
- -------------------------------------------------------------------------------
(12) Type of Reporting Person (See Instructions)
     IN
- -------------------------------------------------------------------------------


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ITEM 1.

    (a)   Name of Issuer
          Silicon Laboratories Inc.
          ---------------------------------------------------------------------
    (b)   Address of Issuer's Principal Executive Offices
          4635 Boston Lane Austin, TX 78735
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ITEM 2.

    (a)   Name of Person Filing
          Navdeep S. Sooch
          ---------------------------------------------------------------------
    (b)   Address of Principal Business Office or, if none, Residence
          4635 Boston Lane, Austin, TX 78735
          ---------------------------------------------------------------------
    (c)   Citizenship
          United States of America
          ---------------------------------------------------------------------
    (d)   Title of Class of Securities
          Common Stock, par value $0.0001 per share
          ---------------------------------------------------------------------
    (e)   CUSIP Number
          826919 10 2
          ---------------------------------------------------------------------

ITEM 3.  IF THIS STATEMENT IS FILED PURSUANT TO SECTIONS 240.13d-1(b) OR
         240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

Not Applicable. This statement on Schedule 13G is not being filed pursuant to
Rule 13d-1(b), 13d-2(b), or 13d-2(c).

ITEM 4.  OWNERSHIP

Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned:

As of December 31, 2001, Navdeep S. Sooch is the record owner of 6,644,395
shares of Common Stock and is deemed to beneficially own an additional
53,833 shares of Common Stock which he may acquire within 60 days of
December 31, 2001 through the exercise of a stock option and he may also be
deemed to beneficially own an additional 479,500 shares of Common Stock of
which 76,500 shares are held of record by the David T. Sooch Trust, 76,500
shares are held of record by the Kelly A. Sooch Trust, 76,500 shares are held
of record by the Kevin S. Sooch Trust (collectively, the Trusts) and 250,000
shares are held of record by Libra II, L.P. Mr. Sooch and his wife, Janet H.
Sooch, serve as co-trustees of each of the Trusts and are the sole officers
of the corporate general partner of Libra II, L.P., and in such capacities
hold the shared power to vote and dispose of the shares owned by such Trusts
and by Libra II, L.P. Therefore, Mr. Sooch may be deemed to own beneficially
an aggregate of 7,177,728 shares of Common Stock as of December 31, 2001. Mr.
Sooch disclaims beneficial ownership of all shares held by such Trusts and
Libra II, L.P.

    ---------------------------------------------------------------------------

    (b) Percent of class:
        14.7%
    ---------------------------------------------------------------------------

    (c) Number of shares as to which the person has:

          (i) Sole power to vote or to direct the vote
              6,698,228
              -----------------------------------------------------------------
         (ii) Shared power to vote or to direct the vote
              479,500
              -----------------------------------------------------------------
        (iii) Sole power to dispose or to direct the disposition of
              6,698,228
              -----------------------------------------------------------------
         (iv) Shared power to dispose or to direct the disposition of
              479,500
              -----------------------------------------------------------------

ITEM 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

Not Applicable.

ITEM 6.  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

Not Applicable.

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ITEM 7.  IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
         THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY

Not Applicable.

ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

Not Applicable.

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP

Not Applicable.

ITEM 10. CERTIFICATION

                                   SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.

                                     2/5/02
                    ----------------------------------------
                                      DATE


                              /s/ NAVDEEP S. SOOCH
                    ----------------------------------------
                                    SIGNATURE


                     NAVDEEP S. SOOCH, CHAIRMAN AND C.E.O.
                    ----------------------------------------
                                    NAME/TITLE

The original statement shall be signed by each person on whose behalf the
statement is filed or his authorized representative. If the statement is
signed on behalf of a person by his authorized representative other than an
executive officer or general partner of the filing person, evidence of the
representative's authority to sign on behalf of such person shall be filed
with the statement, provided, however, that a power or attorney for this
purpose which is already on file with the Commission may be incorporated by
reference. The name and any title of each person who signs the statement
shall be typed or printed beneath his signature.

     ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE
FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001)


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