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TDA7401D Datasheet

  • TDA7401D

  • DIGITALLY CONTROLLED AUDIO PROCESSOR WITH LOUDSPEAKERS EQUAL...

  • 71.42KB

  • 10頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7401
DIGITALLY CONTROLLED AUDIO PROCESSOR
WITH LOUDSPEAKERS EQUALIZER
FOUR HIGH PASS CHANNELS
ONE STEREO LOW PASS CHANNEL WITH
GAIN CONTROL
DIRECT MUTE PIN
FULLY PROGRAMMABLE VIA I
2
C 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.
BLOCK DIAGRAM
SO28
ORDERING NUMBER:
TDA7401D
Very low DC stepping is obtained by using a
BICMOS technology.
MUTE
22
21
20
19
18
17
16
15
HP FILTER
HP FILTER
HP FILTER
MUTE
HP FILTER
3
SDA SCL DGND AGND CREF
27
26
25
24
23
V
CC
28
12
HP FL 1
HP FL 2
HP FR 1
HP FR 2
HP RL 1
HP RL 2
HP RR 1
HP RR 2
I
2
C BUS
SUPPLY
OUT REF
10
11
13
14
9
MUX
8
HP FL OUT
HP FR OUT
HP RL OUT
HP RR OUT
AUX 2 OUT L
AUX 2 OUT R
AUX 1 IN L
AUX 1 IN R
1
2
GAIN
+20/-79dB
4
5
7
CR2
6
CL2
D98AU822A
CR1 CL1
January 1999
1/10

TDA7401D 產(chǎn)品屬性

  • STMicroelectronics

  • SMD/SMT

  • SO-28

  • Tube

  • 28

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