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PDF AA8334 Data sheet ( Hoja de datos )
| Número de pieza | AA8334 | |
| Descripción | SURROUND PROCESSOR | |
| Fabricantes | Agamem Microelectronic | |
| Logotipo |  |
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PRELIMINARY
Agamem Microelectronics Inc.
AA8334
SURROUND PROCESSOR
■ DESCRIPTION
AA8334 is an analog stereo enhancement processor. It creates a stereo image with depth
in three dimensions from ordinary left and right input channels. The patented QXpander
(*1) technology developed by QSound Labs, Inc., is faithfully implemented by
Agamem(*2).
Note 1: QXpander® is a stereo to 3D enhancement processor and is a trademark of QSound
Labs, Inc...
Note 2: Agamem has got licensing agreement of QXpander® from QSound Labs, Inc...
■ FEATURES
• Sound spreading can be easily adjusted using an external VR.
• Few external components required through use of internal filter circuit.
• QXpander on/off switching at TTL level.
■ APPLICATIONS
• Sound enhancement processor for LCD TV, home theater, PC, notebook and car stereo.
■ BLOCK DIAGRAM
Vcc
LIN
3DF1 3DF2 3DF3 3DF4
DET
LOUT
16 15 14 13 12 11 10
9
AA8334
+-
12345678
RIN VREF S/3D
FC
SPC
3DIN ROUT GND
©Copyright Agamem Microelectronics Inc.
1
www.agamem.com.tw 2008/3/28
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
1 page  
www.DataSheet4U.com
PRELIMINARY
Agamem Microelectronics Inc.
AA8334
SURROUND PROCESSOR
SYMBOL
Ibyph
Ibypl
TvOFF
Vdeth
Vdetl
Iref
RIN
PSRRqx
PSRRby
Ct1
Ct2
PARAMETER
CONDITIONS
Bypass pin current
(H)
Bypass pin current
(L)
Recommended
power supply off
time
DET terminal
voltage (H)
DET terminal
voltage (L)
VREF terminal
current
Vbyp=5V *5 TP5
Vbyp=0V *6 TP5
*7
*7 TP6
*7 TP6
SW2 : B
Input resistance TP3, TP4
Power supply
ripple rejection
ratio QXpander
Power supply
ripple rejection
ratio bypass
Crosstalk (1)
Crosstalk (2)
VCC : 8Vdc and
50mVrms, 100Hz *8,
TP1 or TP2
VCC : 8Vdc and
50mVrms, 100Hz *8,
Vbyp=0V, TP1 or TP2
ZLIN : 0.5Vrms, 1kHz
*9, Vbyp=0V, TP1 and
TP2
ZRIN : 0.5Vrms, 1kHz
*10, Vbyp=0V, TP1
and TP2
LIMITS
MIN TYP MAX
350
-10
0.1 1.0
7.5
0.7
-2.2 -0.6
21 30
1
39
-40 -30
-55 -40
-85 -70
-85 -70
UNIT
uA
uA
S
V
V
uA
kΩ
dB
dB
dB
dB
Note 1: f=1 kHz, It is input voltage that THD of output voltage is 1%. The difference of
phase between the left input signal and the right one is 0°.
Note 2: f=1 kHz, It is input voltage that THD of output voltage is 1%. The difference of
phase between the left input signal and the right one is 180°.
Note 3: High-Level input voltage of BYP terminal (pin 3) (QXpander MODE)
Note 4: Low-Level input voltage of BYP terminal (pin 3) (bypass MODE)
Note 5: Input current of BYP terminal (pin 3) (Vbyp=5V)
©Copyright Agamem Microelectronics Inc.
5
www.agamem.com.tw 2008/3/28
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet AA8334.PDF ] | |
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