<SEC-DOCUMENT>0001209191-15-039432.txt : 20150506
<SEC-HEADER>0001209191-15-039432.hdr.sgml : 20150506
<ACCEPTANCE-DATETIME>20150506161746
ACCESSION NUMBER:		0001209191-15-039432
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150504
FILED AS OF DATE:		20150506
DATE AS OF CHANGE:		20150506

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNAPTICS INC
		CENTRAL INDEX KEY:			0000817720
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				770118518
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0626

	BUSINESS ADDRESS:	
		STREET 1:		3120 SCOTT BLVD.
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054
		BUSINESS PHONE:		408-454-5100

	MAIL ADDRESS:	
		STREET 1:		3120 SCOTT BLVD.
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Deutsch Scott
		CENTRAL INDEX KEY:			0001548131

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-49602
		FILM NUMBER:		15837229

	MAIL ADDRESS:	
		STREET 1:		1251 MCKAY DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
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            <transactionDate>
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            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            </exerciseDate>
            <expirationDate>
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            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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            <transactionAmounts>
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                <transactionPricePerShare>
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                <underlyingSecurityShares>
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        <derivativeTransaction>
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            <transactionDate>
                <value>2015-05-04</value>
            </transactionDate>
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                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
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            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
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            <deemedExecutionDate></deemedExecutionDate>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <value></value>
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                <transactionShares>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
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            <expirationDate>
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                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
                    <value>679</value>
                </underlyingSecurityShares>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>78.11</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2015-05-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>982</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F9"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-08-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>982</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2949</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The shares were sold pursuant to a 10b5-1 Sales Plan dated February 20, 2015.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.39 to $85.29,
inclusive. The reporting person undertakes to provide to Synaptics Incorporated (the &quot;Company&quot;), any security holder of the Company, or the staff of the Securities and Exchange Commission (the &quot;SEC&quot;), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.43 to $86.03,
inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F4">One-third of the total number of shares subject to the option vested and became exercisable on the 12-month anniversary of the January 28, 2013 grant date, and 1/36th of the total number of shares subject to the option vested or shall vest and became or shall become exercisable on the 28th day of each month thereafter until fully vested on January 28, 2016.</footnote>
        <footnote id="F5">1/12th of the total number of shares subject to the options vested or shall vest and became or shall become exercisable each quarter following the October 28, 2013 grant date until fully vested on October 28, 2016.</footnote>
        <footnote id="F6">1/12th of the total number of shares subject to the option vested or shall vest and became or shall become exercisable each quarter following the January 27, 2014 date of grant until fully vested on January 27, 2017.</footnote>
        <footnote id="F7">1/12th of the total number of shares subject to the option vested or shall vest and became or shall become exercisable each quarter following the April 28, 2014 date of grant until fully vested on April 28, 2017.</footnote>
        <footnote id="F8">1/12th of the total number of shares subject to the option vested or shall vest and became or shall become exercisable each quarter following the October 24, 2014 date of grant until fully vested on October 24, 2017.</footnote>
        <footnote id="F9">1/12th of the total number of shares subject to the option vested or shall vest and became or shall become exercisable each quarter following the August 1, 2014 date of grant until fully vested on August 1, 2017.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Kermit Nolan, as attorney-in-fact</signatureName>
        <signatureDate>2015-05-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
