

<!-- RR Donnelley Xcelerate Taxonomy Schema, based on XBRL 2.1  http://www.rrdonnelley.com/ -->
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<!-- Round: 5 -->
<!-- Creation date: 2014-04-30T18:29:54Z -->
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        <link:definition>158 - Disclosure - Segment, Customers, and Geographic Information - Major Customers' as Percentage of Net Revenue (Parenthetical) (Detail)</link:definition>
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        <link:definition>160 - Disclosure - Segment, Customers, and Geographic Information - Major Customer Accounts Receivable as Percentage of Accounts Receivable (Parenthetical) (Detail)</link:definition>
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        <link:definition>163 - Disclosure - Acquisition of Validity - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail)</link:definition>
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        <link:definition>164 - Disclosure - Acquisition of Validity - Summary of Financial Information Presents Combined Results of Operations for Acquisition (Detail)</link:definition>
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        <link:definition>165 - Disclosure - Acquisition of Validity - Pro Forma Adjustments Used to Arrive at Pro Forma Net Income (Detail)</link:definition>
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        <link:definition>166 - Disclosure - Acquired Intangibles - Summary of Life, Gross Carrying Value of Acquired Intangible Assets, and Related Accumulated Amortization (Detail)</link:definition>
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      <link:roleType roleURI="http://synaptics.com/taxonomy/role/DisclosureAcquiredIntangiblesAdditionalInformation" id="DisclosureAcquiredIntangiblesAdditionalInformation">
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  <element name="DeferredStockUnitsMember" id="syna_DeferredStockUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeliveryOfTargetedSharesInPercentageDeliveredByEntity" id="syna_DeliveryOfTargetedSharesInPercentageDeliveredByEntity" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DenominatorAbstract" id="syna_DenominatorAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentAndEntityInformationAbstract" id="syna_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueDisclosuresLineItems" id="syna_FairValueDisclosuresLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueDisclosuresTable" id="syna_FairValueDisclosuresTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="FairValueInputsUnequallyWeightedCashFlowScenarios" id="syna_FairValueInputsUnequallyWeightedCashFlowScenarios" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueMeasurementsTransfersIntoOrOutOfLevelOne" id="syna_FairValueMeasurementsTransfersIntoOrOutOfLevelOne" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueMeasurementsTransfersIntoOrOutOfLevelThree" id="syna_FairValueMeasurementsTransfersIntoOrOutOfLevelThree" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAccretionAndRemeasurement" id="syna_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAccretionAndRemeasurement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FederalResearchTaxCreditExtendedPeriod" id="syna_FederalResearchTaxCreditExtendedPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FingerPrintDevelopedTechnologyMember" id="syna_FingerPrintDevelopedTechnologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FiniteLivedIntangibleAssetsFutureAmortizationExpenseForPeriodOfTimeYetToBeDetermined" id="syna_FiniteLivedIntangibleAssetsFutureAmortizationExpenseForPeriodOfTimeYetToBeDetermined" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreaseInUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" id="syna_IncreaseInUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentSecuritiesAtNewCostBasis" id="syna_InvestmentSecuritiesAtNewCostBasis" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentSecuritiesAtOriginalCostBasis" id="syna_InvestmentSecuritiesAtOriginalCostBasis" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LicensedTechnologyMember" id="syna_LicensedTechnologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MajorCustomerAccountsReceivableAsPercentageOfAccountsReceivableTableTextBlock" id="syna_MajorCustomerAccountsReceivableAsPercentageOfAccountsReceivableTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MarketStockUnitAwardsMember" id="syna_MarketStockUnitAwardsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MarketStockUnitsMember" id="syna_MarketStockUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MinimumAmountOfTaxRefundsSubjectToMandatoryReview" id="syna_MinimumAmountOfTaxRefundsSubjectToMandatoryReview" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MinimumWarrantyPeriodOfProducts" id="syna_MinimumWarrantyPeriodOfProducts" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MobileProductApplicationsMember" id="syna_MobileProductApplicationsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NonCashInterestIncomeNet" id="syna_NonCashInterestIncomeNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncashOrPartNoncashAcquisitionContingentConsideration" id="syna_NoncashOrPartNoncashAcquisitionContingentConsideration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfBuildingsPurchased" id="syna_NumberOfBuildingsPurchased" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfBuildingsUnderPlanForRetrofit" id="syna_NumberOfBuildingsUnderPlanForRetrofit" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfProductCategories" id="syna_NumberOfProductCategories" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumeratorAbstract" id="syna_NumeratorAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherForeignCountryMember" id="syna_OtherForeignCountryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentOfContingentConsideration" id="syna_PaymentOfContingentConsideration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PayrollTaxesForDeferredStockUnits" id="syna_PayrollTaxesForDeferredStockUnits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PcProductApplicationsMember" id="syna_PcProductApplicationsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageFromMobileProductMarketInNetRevenue" id="syna_PercentageFromMobileProductMarketInNetRevenue" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfPotentialPayout" id="syna_PercentageOfPotentialPayout" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PortionOfDebtToBeConvertedInAprilAndMay2014Member" id="syna_PortionOfDebtToBeConvertedInAprilAndMay2014Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PotentialPayoutAdjustmentRatio" id="syna_PotentialPayoutAdjustmentRatio" type="xbrli:pureItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" id="syna_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReclassificationAdjustmentsFromAccumulatedOtherComprehensiveIncomeForAccretionOfNonCurrentInvestments" id="syna_ReclassificationAdjustmentsFromAccumulatedOtherComprehensiveIncomeForAccretionOfNonCurrentInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RevenueRecognitionTextBlock" id="syna_RevenueRecognitionTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfShareBasedCompensationDsusActivityTableTextBlock" id="syna_ScheduleOfShareBasedCompensationDsusActivityTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfShareBasedCompensationMsusActivityTableTextBlock" id="syna_ScheduleOfShareBasedCompensationMsusActivityTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodTrancheOne" id="syna_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodTrancheOne" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodTrancheThree" id="syna_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodTrancheThree" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodTrancheTwo" id="syna_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodTrancheTwo" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsForPerformanceResultsAttained" id="syna_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsForPerformanceResultsAttained" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardIntrinsicValueClosingPrice" id="syna_ShareBasedCompensationArrangementByShareBasedPaymentAwardIntrinsicValueClosingPrice" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StudentLoansMember" id="syna_StudentLoansMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThinTouchDevelopedTechnologyMember" id="syna_ThinTouchDevelopedTechnologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TsrIncreaseInPercentagePoints" id="syna_TsrIncreaseInPercentagePoints" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ValiditySensorsIncMember" id="syna_ValiditySensorsIncMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeightedAverageSharesEffectOfShareBasedCompensationAwardsAndConvertibleNotesOnDilutiveIncomeLoss" id="syna_WeightedAverageSharesEffectOfShareBasedCompensationAwardsAndConvertibleNotesOnDilutiveIncomeLoss" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>





