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PDF TDA7463D Data sheet ( Hoja de datos )
| Número de pieza | TDA7463D | |
| Descripción | LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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® TDA7463D
LOW VOLTAGE TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
1 STEREO INPUT
1 STEREO OUTPUT
TREBLE BOOST
BASS CONTROL
BASS AUTOMATIC LEVEL CONTROL
VOLUME CONTROL IN 1dB STEPS
MUTE
STAND-BY FUNCTION SOFTWARE CON-
TROLLED
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
DESCRIPTION
The TDA7463 is a volume tone (bass and treble)
processor for quality audio applications in Low
voltage supply portable systems.
Bass ALC (Automatic Level Control) function can
be adjusted by a dedicated pin. The control of all
the functions is accomplished by serial bus.
SO16
ORDERING NUMBER: TDA7463D
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.
BLOCK DIAGRAM
C12 3.3nF
R5
5.6K
100nF
100nF
TREBLE-R
C11 C10
BASSI-R
BASSO-R
C1 0.47µF
IN-R
-63dB
CONTROL
TREBLE
50K
RB
BASS
0/-10dB
x1
x5
OUT-R
C2 0.47µF
ALC
R1
1MΩ
BASS_ALC
CONTROL
HALF_WAVE
RECTIFIER
+
I2C BUS DECODER + LATCHES
VS VS
R3 R4
SCL 1KΩ 1KΩ
SDA
I2C
1
2
3
4
VS
DGND
SCL
SDA
C3 0.47µF
IN-L
50K
D96AU482B
TREBLE
-63dB
CONTROL
BASS
0/-10dB
x5
x1
OUT-L
RB
TREBLE-L BASSI-L
VREF
SUPPLY
VS
VS
C8 C9
BASSO-L GND
CREF
100nF 100µF
C4
3.3nF
C5
100nF
C6
R2 100nF
5.6K
C7
22µF
May 2002
1/12
1 page  
TDA7463D
BASS
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
BASS
1 STAND-BY (Bass block stops)
1 BASS (boost OFF)
0 BASS (boost ON)
10
High boost (Ex. + 14dB)
00
Low boost (Ex. + 6dB)
1 ALC mode OFF (ALC block stops)
0 ALC mode ON
00
Attack time resistor (12.5KΩ)
Release current (0.4µA)
01
Attack time resistor (25KΩ)
Release current (0.2µA)
10
Attack time resistor (50KΩ)
Release current (0.1µA)
11
Attack time resistor (100KΩ)
Release current (0.05µA)
00
Threshold1 (0.2Vrms)
01
Threshold2 (0.14Vrms)
10
Threshold3 (0.1Vrms)
11
Threshold4 (0.07Vrms)
VOLUME
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
1
0
1
0
VOLUME : 0 ∼ -63dB
VOLUME
1 dB STEPS
0
-1
-2
-3
-4
-5
-6
-7
8 dB STEPS
0
-8
-16
-24
-32
-40
-48
-56
OUTPUT GAIN
0dB
+14dB
OUTPUT ATTENUATION
0dB
-10dB
5/12
5 Page 
TDA7463D
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2002 STMicroelectronics – Printed in Italy – All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco -
Singapore - Spain - Sweden - Switzerland - United Kingdom - United States.
http://www.st.com
11/12
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TDA7463D.PDF ] | |
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