<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MICROTUNE,
INC. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 12-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 JUN-30-2000
<CASH> 6,331 8,346
<SECURITIES> 13,798 13,332
<RECEIVABLES> 164 8,962
<ALLOWANCES> 0 735
<INVENTORY> 0 12,066
<CURRENT-ASSETS> 20,315 44,004
<PP&E> 3,669 14,761
<DEPRECIATION> 1,879 3,463
<TOTAL-ASSETS> 22,277 91,882
<CURRENT-LIABILITIES> 672 14,416
<BONDS> 0 0
0 0
8 12
<COMMON> 8 8
<OTHER-SE> 21,589 71,050
<TOTAL-LIABILITY-AND-EQUITY> 22,277 91,882
<SALES> 0 28,961
<TOTAL-REVENUES> 0 28,961
<CGS> 0 19,931
<TOTAL-COSTS> 0 19,931
<OTHER-EXPENSES> 9,090 32,863
<LOSS-PROVISION> 0 323
<INTEREST-EXPENSE> 0 0
<INCOME-PRETAX> (8,508) (22,806)
<INCOME-TAX> 0 750
<INCOME-CONTINUING> (8,508) (23,556)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (8,508) (23,556)
<EPS-BASIC> (1.39) (3.05)
<EPS-DILUTED> (1.39) (3.05)
</TABLE>