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TDA7462 データシート(PDF) 8 Page - STMicroelectronics

部品番号 TDA7462
部品情報  DUAL AUDIOPROCESSOR WITH COMPANDER AND SUBWOOFER OUTPUT
PDF  25 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7462 データシート(HTML) 8 Page - STMicroelectronics

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Mute Functions
Direct mute
Digitally controlled softmute with 4 program-
mable mute times
Pause Detector
Programmable threshold
Delay time defined by external capacitor
FUNCTIONAL DESCRIPTION
Input Stages
Most of the input stages are similar to the others
ST audioprocessors with exception of the CD in-
puts (see Figure 1). In fact there are some CD
players in the market having a significant high
source impedance which affects strongly on the
common-mode rejection (CHRR) of the normal
differential input stage. The additional buffer of
the TDA7462 CD input avoids this drawback and
15K
15K
100K
CD+
CD-
15K
-
+
15K
15K
PD+
PDGND
15K
15K
-
+
D98AU866
100K
100K
100K
IN GAIN
SE1
SE2
SE3
1
1
1
15K
100K
100K
28K
28K
MDGND
MD+
28K
28K
+
-
Figure 1. Input Stage
TDA7462
8/25



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