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QX2010 Datasheet

  • QX2010

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  • 7頁

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QX2010
QXpander Processor
Device Specifications - Preliminary Information
General Description
The QXpander QX2010 is a bipolar analog
stereo enhancement processor. This device is
part of the QX chip family offered by
QSound Labs, and uses the patented
QXpander
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technology to produce a
spatially widened stereo image from ordinary
left and right channel inputs.
This audio enhancement is achieved while
using normal stereo signals and standard
stereo audio equipment. No special initial
encoding of the input signals is required, no
additional speakers are required, and no
special hardware is needed to produce
QXpanded audio.
A TTL-compatible control input is provided
to select QXpanded audio or a normal stereo
signal (bypass). The QX2010 is fabricated in
bipolar technology, and is offered in a 22 pin
SDIP standard package. A 20 pin plastic
SSOP package is available on request.
Features
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Produce a wide sound image from
normal stereo input.
No encoding of input signals, no special
equipment required to QXpand audio.
TTL-compatible bypass control.
Low noise: 55 uV
RMS
.
High signal-to-noise ratio: 85 dB.
single supply voltage.
Few external components, low cost.
Applications
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Television sound systems (Stereo).
Semi-professional audio equipment.
Personal/portable audio.
Multimedia applications for PCs and
laptops.
Multimedia speaker systems.
Video Games.
Pin Assignment
RIN
BYP
FB1
FB2
FB3
FB4
FB5
FB6
ROUT
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
LIN
VREF
FA1
FA2
FA3
FA4
FA5
FA6
LOUT
Figure 1: SSOP pinout
RIN
BYP
FB1
FB2
FB3
NC
FB4
FB5
FB6
ROUT
GND
1
2
3
4
5
6
7
8
9
10
11
22
21
20
19
18
17
16
15
14
13
12
VCC
LIN
VREF
FA1
FA2
NC
FA3
FA4
FA5
FA6
LOUT
Figure 2: SDIP Pin Assignment
Ref: 2010V253.DOC
Rev: 2.53
QX2010 Data Sheet -- Preliminary -- Confidential
QSound Labs, Inc.
Date: 97.01.29
Page 1 of 7

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