SM7347

www.DataSheet.co.kr SAMHOP Microelectronics Corp. 6 CHANNELS VOLUME CONTROLLER SM7347 GENERAL DESCRIPTION The SM7347 is 6 channels electronic volume controlled by 3-wire serial data. The IC is suitable for use in DVD systems and AV. FEATURES * 4 Output ports * Built-in microcomputer interface circuit controlled by 16-bit serial data. * Electronic volume Volume level......0dB~-79dB, - ∞dB(1dB/ step) APPLICATIONS * DVD * Home Audio equipment * AV PIN ASSIGNMENTS OUT4 OUT3 OUT2 OUT1 AVDD SWin GNDS SRin SLin GNDC Cin GNDR1 GNDR2 GNDL1 GNDL2 Rin GNDLR Lin NC NC NC 1 2 3 4 5 6 7 8 9 1 0 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 DVDD CLK DATA LATCH DGND AGND SWout SRout SLout Cout Rout Lout AVSS1 AVSS2 NC NC NC NC NC NC NC SDIP 42PIN Page 1 MAY.2003 Datasheet pdf - http://www.DataSheet4U.net/ www.DataSheet.co.kr SAMHOP Microelectronics Corp. 6 CHANNELS VOLUME CONTROLLER SM7347 BLOCK DIAGRAM C input SW input SL input SR input L input R input volume C output SW output SL output SR output L output R output μ-com interface Latch Data CLK Page 2 MAY.2003 Datasheet pdf - http://www.DataSheet4U.net/ www.DataSheet.co.kr SAMHOP Microelectronics Corp. 6 CHANNELS VOLUME CONTROLLER SM7347 PIN DESCRIPTION (Pin count base on 42pin SDIP) Pin No. 1 2 3 4 5 7 10 12 13 14 15 17 6 8 9 11 16 18 36 35 34 33 32 31 29 30 37 38 39 40 41 42 Symbol OUT4 OUT3 OUT2 OUT1 AVDD GNDS GNDC GNDR1 GNDR2 GNDL1 GNDL2 GNDLR SW in...