Multimedia ICs
QXpander™ processor
QX2130FS / QX2130S
The QX pander chip (QX-2000 Series) is a sound enhancement sound ...
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...