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7431 PDF даташит

Спецификация 7431 изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER».

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Номер произв 7431
Описание DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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7431 Даташит, Описание, Даташиты
TDA7430
® TDA7431
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH
SURROUND SOUND MATRIX AND VOICE CANCELLER
1 STEREO (4 STEREO) INPUT + 1 MIXER IN-
PUT
INPUT ATTENUATION CONTROL IN 0.5dB
STEP
VOICE CANCELLER IS AVAILABLE
TREBLE MIDDLE AND BASS CONTROL
THREE SURROUND MODES ARE AVAIL-
ABLE:
- MUSIC: 4 SELECTABLE RESPONSES
- MOVIE AND SIMULATED:
256 SELECTABLE RESPONSES
2 SPEAKER AND 2 RECORD ATTENU-
ATORS:
- 2 INDEPENDENT SPEAKERS AND 2
INDEPENDENT RECORD CONTROL
IN 1dB STEP FOR BALANCE FACILITY
- AVAILABILITY OF LOUDSPEAKER
EQUALIZATION FIXED BY EXTERNAL
COMPONENTS
- INDEPENDENT MUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA SE-
RIAL BUS
DESCRIPTION
The TDA7430/7431 are volume tone (bass middle
and treble) balance (Left/Right) processors with
SDIP42
TQFP44
ORDERING NUMBERS: TDA7430 (TQFP44)
TDA7431 (SDIP42)
voice canceller for quality audio applications in
car radio and Hi-Fi systems.
They reproduce surround sound by using pro-
grammable phase shifters and a signal matrix.
Control of all the functions is accomplished by se-
rial bus.
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are
obtained.
PIN CONNECTIONS
PS4
PS3
PS2
PS1
LP
LP1
HP1
HP2
VOUTREF
VAR_L
BASSO_L
VAR_R
BASSO_R
BASS_LO
BASS_LI
BASS_RO
BASS_RI
MIDDLE_LO
MIDDLE_LI
MIDDLE_RO
MIDDLE_RI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
September 1999
D95AU219B
42 VS
41 CREF
40 NBRO
39 NBRIN
38 LPVC
37 R_IN
36 MIX
35 L_IN
34 NBLIN
33 NBLO
32 RECOUT_L
31 RECOUT_R
30 L_OUT
29 R_OUT
28 DIG_GND
27 SCL
26 SDA
25 ADDR
24 AGND
23 TREBLE_L
22 TREBLE_R
LP1
HP1
HP2.
REAROUT
REARIN
VAR_L
BASSO_L
VAR_R
BASSO_R
BASS_LO
BASS_LI
44 43 42 41 40 39 38 37 36 35 34
1 33
2 32
3 31
4 30
5 29
6 28
7 27
8 26
9 25
10 24
11 23
12 13 14 15 16 17 18 19 20 21 22
R_IN1
MIX
L_IN1
L_IN2
L_IN3
L_IN4
RECOUT_L
RECOUT_R
L_OUT
R_OUT
DIG_GND
D95AU220B
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7431 Даташит, Описание, Даташиты
TDA7430 - TDA7431
BLOCK DIAGRAM (TDA7430)
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7431 Даташит, Описание, Даташиты
BLOCK DIAGRAM (TDA7431)
TDA7430 - TDA7431
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Номер в каталогеОписаниеПроизводители
7430DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLERSTMicroelectronics
STMicroelectronics
7430Negative Voltage RegulatorHoltek Semiconductor Inc
Holtek Semiconductor Inc
7431DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLERSTMicroelectronics
STMicroelectronics
7432Quad 2-Input OR GateFairchild Semiconductor
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