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TDA7401 Datasheet(Fiches technique) 1 Page - STMicroelectronics

Numéro de pièce TDA7401
Description  DIGITALLY CONTROLLED AUDIO PROCESSOR WITH LOUDSPEAKERS EQUALIZER
Télécharger  10 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
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TDA7401 Datasheet(HTML) 1 Page - STMicroelectronics

 
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FOUR HIGH PASS CHANNELS
ONE STEREO LOW PASS CHANNEL WITH
GAIN CONTROL
DIRECT MUTE PIN
FULLY PROGRAMMABLE VIA I
2C BUS
DESCRIPTION
The TDA7401 is an upgrade of the TDA7435
audioprocessor.
Due to a highly linear signal processing, using
CMOS-switching techniques very low distortion
and very low noise are obtained.
Second order high pass and low pass filters with
programmable corner frequencies provide the
loudspeaker equalization.
Very low DC stepping is obtained by using a
BICMOS technology.
January 1999
®
HP FILTER
HP FILTER
HP FILTER
HP FILTER
MUTE
GAIN
+20/-79dB
MUX
I
2C BUS
SUPPLY
22
21
20
19
18
17
16
15
1
2
HP FL 1
HP FL 2
HP FR 1
HP FR 2
HP RL 1
HP RL 2
HP RR 1
HP RR 2
AUX 1 IN L
AUX 1 IN R
76
AUX 2 OUT R
8
AUX 2 OUT L
9
HP RR OUT
14
HP RL OUT
13
HP FR OUT
11
HP FL OUT
10
OUT REF
12
28
23
24
25
26
27
SDA SCL DGND AGND CREF
VCC
D98AU822A
3
MUTE
45
CR1 CL1
CR2
CL2
BLOCK DIAGRAM
SO28
ORDERING NUMBER: TDA7401D
TDA7401
DIGITALLY CONTROLLED AUDIO PROCESSOR
WITH LOUDSPEAKERS EQUALIZER
1/10


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