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Электронный компонент: QX2130

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1
Multimedia ICs
QXpanderTM processor
QX2130FS / QX2130S
The QX pander chip (QX-2000 Series) is a sound enhancement sound processor based on QSOUND's QX pan-
derTM 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 (45
V
rms
)
7) Low power consumption
8) Available in SSOP-A20 pin package or SDIP22 pin
package.
Block diagram
GND
BIAS
V
CC
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
VIRTUAL AUDIO
QXpander
TM
PROCESSOR
BIASIN
MUTE
LCHIN
CTRL0
CL1
CL2
CL3
CL4
LCHOUT
GND
BIASOUT
RCHIN
CTRL1
CR1
CR2
CR3
CR4
RCHOUT
POWERSAVE
V
CC
Note:The above diagram is for the QX2130FS (SSOP - A20 package)
2
Multimedia ICs
QX2130FS / QX2130S
Absolute maximum ratings (Ta = 25C)
Parameter
Symbol
Limits
Unit
Power supply voltage
V
CC
13
V
QX2130S
Power dissipation
Pd
QX2130FS
750
2
1000
1
mW
Operating temperature
Topr
0 ~ + 70
C
Storage temperature
Tstg
55 ~ + 125
C
1 When mounted on a 90
50
1.6mm glass epoxy board
Reduced by 10.0mW for each increase in Ta of 1
C over 25
C.
2 When mounted on a 90
50
1.6mm glass epoxy board
Reduced by 7.5mW for each increase in Ta of 1
C over 25
C.
Recommended operating conditions (Ta = 25C)
Parameter
Operating power supply voltage
V
CC
4.5
12.5
V
--
Symbol
Min.
Typ.
Max.
Unit
3
Multimedia ICs
QX2130FS / QX2130S
Input / output circuits (with QX2130FS)
50k
50k
5k
30k
75k
2k
30k
R
R
R
R
R
R
R
R
R
R
25k
R
R
R
R
25k
10k
10k
50k
50k
R
R
R
R
R
R
30k
75k
2k
5k
1pin
BIAS IN
2pin
MUTE
3pin
LCH IN
4pin
CTRL0
5pin
CL1
6pin
CL2
7pin
CL3
8pin
CL4
9pin
LCH OUT
11pin POWER SAVE
12pin
RCH OUT
13pin
CR4
14pin
CR3
15pin
CR2
16pin
CR1
pin17
CTRL1
18pin
RCH IN
19pin
BIAS OUT
4
Multimedia ICs
QX2130FS / QX2130S
Analog characteristics (V
CC
= + 5V DC, GND = 0V DC, Ta = 25C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Supply current
Supply current (QX mode)
I
CC
1
1.3
3.0
5.2
mA
Supply current (stereo mode)
I
CC
2
1.3
3.0
5.2
mA
Supply current (power saving mode)
I
CC
3
--
230
500
A
Maximum input level
Maximum input level (QX3 mode)
V
INMax.
1
8.3
5.3
--
dBV
V
IN
= 100Hz V
OUT
1%
SINGLE channel INPUT
Maximum input level (QX2 mode)
V
INMax.
2
7.6
4.6
--
dBV
V
IN
= 100Hz V
OUT
1%
SINGLE channel INPUT
Maximum input level (QX1 mode)
V
INMax.
3
7.4
4.4
--
dBV
V
IN
= 1kHz V
OUT
1%
SINGLE channel INPUT
Maximum input level (stereo mode)
V
INMax.
4
2.4
+ 0.6
--
dBV
V
IN
= 1kHz V
OUT
1%
SINGLE channel INPUT
Maximum output level
V
OUTMax
.
3.0
+ 0.5
--
dBV
V
IN
= 1kHz V
OUT
1%
SINGLE channel INPUT
Maximum mute level
Maximum mute level (QX mode)
VMUTE1
--
86
76
dBV
BW: DIN AUDIO
V
IN
= 1kHz, 20dBV
Maximum mute level (stereo mode)
VMUTE2
--
97
87
dBV
BW: DIN AUDIO
V
IN
= 1kHz, 20dBV
Channel balance
CB
1.5
0
+ 1.5
dB
V
IN
= 600Hz, L + RIN
Output current
I
OUT
--
--
+ / 1
mA
Load resistance
R
L
10
--
--
k
Load capacitance
C
L
--
--
1000
pF
Input impedance
R
IN
50
75
100
k
Output impedance
R
OUT
--
--
200
Distortion
Distortion (QX3 mode)
DSTN1
--
0.15
0.5
%
Distortion (QX2 mode)
DSTN2
--
0.07
0.3
%
Distortion (QX1 mode)
DSTN3
--
0.04
0.2
%
Distortion (stereo mode)
DSTN4
--
0.02
0.2
%
Output noise voltage
Output noise voltage (QX mode)
VNOISE1
--
87
77
dBV
BW: DIN AUDIO
R
g
= 600
Output noise voltage (stereo mode)
VNOISE2
--
98
88
dBV
BW: DIN AUDIO
R
g
= 600
Crosstalk
Crosstalk (stereo mode)
C
T
--
98
88
dBV
BW: DIN AUDIO
V
IN
= 1kHz, 20dBV
BW1: 400Hz 30kHz (V
IN
=
1kHz) , BW2: 30kHz (V
IN
=
100Hz)
THD + NOISE
V
IN
= 1kHz, 20dBV
THD + NOISE
V
IN
= 1kHz, 20dBV
THD + NOISE
V
IN
= 1kHz, 20dBV
THD + NOISE
V
IN
= 1kHz, 20dBV
No signal Input
No signal Input
No signal Input
--
--
--
--
--
5
Multimedia ICs
QX2130FS / QX2130S
(V
CC
= + 12V DC, GND = 0V DC, Ta = 25C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Supply current
Supply current (QX mode)
I
CC
1
2.0
4.9
12.0
mA
Supply current (stereo mode)
I
CC
2
2.0
4.9
12.0
mA
Supply current (power saving mode)
I
CC
3
--
560
1200
A
Maximum input level
Maximum input level (QX3 mode)
V
INMAX.
1
+ 1.6
+ 4.6
--
dBV
V
IN
= 100Hz V
OUT
1%
SINGLE channel. INPUT
Maximum input level (QX2 mode)
V
INMAX.
2
+ 2.3
+ 5.3
--
dBV
V
IN
= 100Hz V
OUT
1%
SINGLE channel INPUT
Maximum input level (QX1 mode)
V
INMAX.
3
+ 2.5
+ 5.5
--
dBV
V
IN
= 1kHz V
OUT
1%
SINGLE channel INPUT
Maximum input level (stereo mode)
V
INMAX.
4
+ 8.0
+ 11.0
--
dBV
V
IN
= 1kHz V
OUT
1%
SINGLE channel INPUT
Maximum output level
V
OUTMax
.
+ 7.8
+ 10.8
--
dBV
V
IN
= 1kHz V
OUT
1%
SINGLE channel INPUT
Maximum mute level
Maximum mute level (QX mode)
VMUTE1
--
85
dBV
BW: DIN AUDIO
V
IN
= 1kHz, 20dBV
Maximum mute level (stereo mode)
VMUTE2
--
97
dBV
BW: DIN AUDIO
V
IN
= 1kHz, 20dBV
Channel balance
CB
--
0
--
dB
V
IN
= 600kHz, L + R
IN
Output current
I
OUT
--
--
1
mA
Load resistance
R
L
10
--
--
k
Load capacitance
C
L
--
--
1000
pF
Input impedance
R
IN
50
75
100
k
Output impedance
R
OUT
--
--
200
Distortion
Distortion (QX3 mode)
DSTN1
--
0.16
0.5
%
THD + NOISE
V
IN
= 1kHz, 20dBV
Distortion (QX2 mode)
DSTN2
--
0.07
0.3
%
THD + NOISE
V
IN
= 1kHz, 20dBV
Distortion (QX1 mode)
DSTN3
--
0.05
0.2
%
THD + NOISE
V
IN
= 1kHz, 20dBV
Distortion (stereo mode)
DSTN4
--
0.02
0.2
%
THD + NOISE
V
IN
= 1kHz, 20dBV
Output noise voltage
Output noise voltage (QX mode)
VNOISE1
--
85
dBV
BW: DIN AUDIO
R
g
= 600
Output noise voltage (stereo mode)
VNOISE2
--
99
dBV
BW: DIN AUDIO
R
g
= 600
Crosstalk
Crosstalk (stereo mode)
C
T
--
98
75
87
75
89
88
dBV
BW: DIN AUDIO
V
IN
= 1kHz, 20dBV
BW1: 400Hz 30kHz (V
IN
= 1kHz) , BW2: 30kHz (V
IN
= 100Hz)
Quiescent
Quiescent
Quiescent