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QX2130FS Datasheet

  • QX2130FS

  • QXpander⑩ processor

  • 9頁

  • ROHM

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Multimedia ICs
QXpander鈩?processor
QX2130FS / QX2130S
The QX pander chip (QX-2000 Series) is a sound enhancement sound processor based on QSOUND's QX pan-
der鈩?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.
鈥?/div>
Applications for desktop and notebook multimedia personal computers, televisions, audio equipment, video
Speaker systems
games and other devices
鈥?/div>
Features sound from ordinary audio signals.
1) Virtual 3D
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 (45碌V
rms
)
7) Low power consumption
8) Available in SSOP-A20 pin package or SDIP22 pin
package.
鈥?/div>
Block diagram
POWERSAVE
BIASOUT
RCHOUT
CTRL1
RCHIN
CR1
CR2
CR3
CR4
V
CC
20
V
CC
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

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