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QS7779PM Datasheet

  • QS7779PM

  • 3D Stereo Enhancement and 3D Virtual Stereo Surround with Do...

  • 11頁(yè)

  • NPC

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QS7779PM/CM
NIPPON PRECISION CIRCUITS INC.
3D Stereo Enhancement and 3D Virtual Stereo Surround
with Dolby Pro Logic and Mixed DVD (AC-3) Decoder
OVERVIEW
The QS7779PM/CM is an audio processor IC which
implements a decoder for stereo matrix encoded
source materials such as the Dolby Surround Pro
Logic and mixed DVD (AC
鈭?/div>
3) with surround virtu-
alization using QSound
鈩?/div>
technology developed and
licensed by QSound Labs, Inc. This chip produces
enhanced stereo sound for a stereo input signal and if
the input signal contains matrix encoded surround
sound, the chip decodes it and produces 3D virtual-
ized surround sounds with two speakers.
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
鈭?/div>
3)
Virtualized surround sound with two speakers
3D stereo sound enhancement
Two enhanced levels
Parallel and serial digital interface for mode con-
trol
s
s
鈥?QS7779CM for I
2
C 2 control pins serial inter-
face (Data, Clock)
鈥?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
s
Computer-based multimedia products, including
sound cards and powered loudspeakers
PINOUT
(Top view)
QS7779PM
QS7779CM
QXAC3
QXAC2
QXAC1
1
24
QXAC4
VCC
QXBC1
QXAC3
QXAC2
QXAC1
RIN
LIN
COUT
CIN
VREFIN
VREFOUT
VREF
GND
SPRD(SCL)
1
24
QXAC4
VCC
QXBC1
QXBC2
QXBC3
QXBC4
ROUT
LOUT
MUTE
VDD
P/S
QS7779PM
12
13
RIN
LIN
COUT
CIN
VREFIN
VREFOUT
VREF
GND
SPRD(SCL)
QXBC2
QXBC3
QXBC4
ROUT
LOUT
MUTE(STRB)
VDD
P/S
BYP(SDA)
QS7779CM
12
13
BYP(SDA)
Using these products does not require any Dolby certi鏗乧ations.
ORDERING INFORMATION
D e vice
QS7779PM
QS7779CM
P ackag e
24-pin SSOP
24-pin SSOP
I
2
C bus is a registered tra d e m a r k of Philips Electronics N.V.
Dolby and the double-D symbol are registered tra d e m a r ks of Dolby Laboratories Licensing Corporation.
NIPPON PRECISION CIRCUITS鈥?

QS7779PM相關(guān)型號(hào)PDF文件下載

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  • 英文版
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    QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProL...
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    3D 2/4-Channel Stereo Surround Synthesizer
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  • 英文版
    QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProL...
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  • 英文版
    QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProL...
    NPC [Nippo...
  • 英文版
    QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProL...
    NPC
  • 英文版
    QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProL...
    NPC [Nippo...
  • 英文版
    3D Stereo Enhancement and 3D Virtual Stereo Surround with Do...
    NPC
  • 英文版
    3D Stereo Enhancement and 3D Virtual Stereo Surround with Do...
    NPC [Nippo...
  • 英文版
    3D Stereo Enhancement and 3D Virtual Stereo Surround with Do...
    NPC
  • 英文版
    3D Stereo Enhancement and 3D Virtual Stereo Surround with Do...
    NPC [Nippo...
  • 英文版
    3D 2/4-Channel Stereo Surround Synthesizer
    NPC
  • 英文版
    3D 2/4-Channel Stereo Surround Synthesizer
    NPC [Nippo...
  • 英文版
    3D 2/4-Channel Stereo Surround Synthesizer
    NPC
  • 英文版
    3D 2/4-Channel Stereo Surround Synthesizer
    NPC [Nippo...
  • 英文版
    3D 2/4-Channel Stereo Surround Synthesizer
    ETC

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