器件名称:
SM7346
功能描述:
6 CHANNELS VOLUME CONTROLLER
文件大小:
302.5KB 共18页
简 介:
SAMHOP Microelectronics Corp. 6 CHANNELS VOLUME CONTROLLER SM7346 GENERAL DESCRIPTION The SM7346 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) * Tone control Bass/Treble, 0dB~+10dB(2dB/step) APPLICATIONS * DVD * Home Audio Equipment * AV PIN ASSIGNMENTS OUT4 OUT3 OUT2 OUT1 AVDD SWin GNDS SRin SLin GNDC Cin GNDR Rin GNDL Lin BYPASSR BYPASSL LTRE LBASS3 LBASS2 LBASS1 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 AVSS CL1 CL2 CR1 CR2 RTRE RBASS3 RBASS2 RBASS1 OUT4 OUT3 OUT2 OUT1 AVDD SWin GNDS SRin SLin GNDC Cin GNDR Rin GNDL Lin BYPASSR BYPASSL LTRE LBASS3 LBASS2 LBASS1 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 2 2 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 DVDD CLK DATA LATCH DGND AGND SWout SRout SLout Cout Rout Lout AVSS CL1 CL2 CR1 CR2 RTRE RBASS3 RBASS2 RBASS1 NC SDIP 42PIN TSSOP 44PIN Page 1 MAY.2003 SAMHOP Microelectronics Corp. 6 CHANNELS VOLUME CONTROLLER SM7346 BLOCK DIAGRAM C input SW input SL input SR input BypassL BypassR volume C output SW output SL output SR output tone L input R input volume L output R output μ-com int……
