QS7779PM - Nippon Precision Circuits Inc

QS7779PM 3D Stereo Enhancement and 3D Virtual Stereo Surround

Name Number P arallel 1 2 3 4 5 6 7 8 9 10 11 SPRD 12 – BYP 13 – 14 15 MUTE 16 – 17 18 19 20 21 22 23 24 LOUT ROUT QXBC4 QXBC3 QXBC2 QXBC1 VCC QXAC4 STRB I O O I I I I – I P/S VDD – QXAC3 QXAC2 QXAC1 RIN LIN COUT CIN VREFIN VREFOUT VREF GND – SCL1 – SDA2 Serial I I I I I O I O O I – I I I I/O I – I Capacitor 3 fo r Q E X PA N D E R fi lter A Capacitor 2 fo r .

Features

s s s s s Capable of decoding Dolby Surround materials such as Dolby Pro Logic or other matrix surround encoded materials (DVD/AC−3) Virtualized surround sound with two speakers 3D stereo sound enhancement Two enhanced levels Parallel and serial digital interface for mode control s s
• QS7779CM for I2C 2 control pins serial interface (Data, Clock)
• QS7779PM for three-wire serial interface (Data, Clock and Strobe) Supply voltage (analog): 5 to 13V Supply voltage (digital): 4.5 to 5.5V 24-pin SSOP packaging APPLICATIONS s s DVD, Laser disk player Audio systems including TV, Radio and VCR.