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PDF ( 数据手册 , 数据表 ) QX2130S

零件编号 QX2130S
描述 QXpander processor
制造商 ROHM Semiconductor
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QX2130S 数据手册, 描述, 功能
Multimedia ICs
QXpander™ processor
QX2130FS / QX2130S
The QX pander chip (QX-2000 Series) is a sound enhancement sound processor based on QSOUND's QX pan-
der™ 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
Block diagram
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.
20 19 18 17 16 15 14 13 12 11
VCC
BIAS
VIRTUAL AUDIO
QXpanderTM PROCESSOR
GND
1 2 3 4 5 6 7 8 9 10
Note:The above diagram is for the QX2130FS (SSOP - A20 package)
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QX2130S pdf, 数据表
Multimedia ICs
QX2130FS / QX2130S
Application example
VCC 5-12V
0.01µF
100µH
100µF
100µF
20 19
VCC
RIN
27k
0.1µF
CTRL1
1µF
2200p
2200p
2200p
0.1µF
ROUT
47k
1µF
POWERSAVE
18 17 16 15 14 13 12 11
BIAS
VIRTUAL AUDIO
QXpanderTM PROCESSOR
GND
1 2 3 4 5 6 7 8 9 10
10µF
MUTE
0.1µF
27k
LIN
2200p 2200p 2200p 0.1µF
1µF
CTRL0
1µF
47k
LOUT
Fig.2
Unit: R (Ω)
C (F)
L (H)
Note:The above diagram is for the QX2130FS (SSOP-A20 package) .
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