QX2130FS

Multimedia ICs QXpander™ processor QX2130FS / QX2130S The QX pander chip (QX-2000 Series) is a sound enhancement sound processor based on QSOUND's QX pander™ technology, and produces virtual 3D sound from ordinary audio signals. This IC requires no special encoding of input signals or additional speakers, and so simplifies the development of high-value-added personal computers, televisions and audio products. Applications Speaker systems for desktop and notebook multimedia personal computers, televisions, audio equipment, video games and other devices Features 1) Virtual 3D sound from ordinary audio signals. 2) No special encoding signals are necessary. 3) Three enhanced modes: QX1: Pro Listening QX2: Wide Listening QX3: Wow for Games 4) Internal functions for personal computers: power saver function, output muting function and stereo bypass function. 5) TTL-compatible control pins (at 5V). 6) Low noise (45µVrms) 7) Low power consumption 8) Available in SSOP-A20 pin package or SDIP22 pin package. Block diagram POWERSAVE BIASOUT RCHOUT CTRL1 RCHIN CR1 CR2 CR3 CR4 VCC 20 VCC 19 18 17 16 15 14 13 12 11 BIAS VIRTUAL AUDIO TM QXpander PROCESSOR GND 1 BIASIN 2 MUTE 3 LCHIN 4 CTRL0 5 CL1 6 CL2 7 CL3 8 CL4 9 LCHOUT 10 GND Note:The above diagram is for the QX2130FS (SSOP - A20 package) 1 Multimedia ICs QX2130FS / QX2130S Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature S...