参数资料
型号: TDA7404D
厂商: STMICROELECTRONICS
元件分类: 音频控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封装: SOP-28
文件页数: 5/35页
文件大小: 633K
代理商: TDA7404D
TDA7404
Description of functionality
4
Description of functionality
4.1
Input stages
Most of the input stages have remained the same as in preceding ST-Audioprocessors with
exception of the CD-inputs (see Figure 3). In the meantime there are some CD-players in
the market which have a significant high source-impedance which effects strongly the
common-mode-rejection of the normal differential input stage.
The additional buffer of the TDA7404 Diff:
input avoids this drawback and offers the full common-mode-rejection even with those
CD-players.
Figure 3.
Input stages diagram
1.
It is possible that the Differential input is switched a single ended input (SE4) like SE1.. 3.
Diffin+
/(SE 4)
Inga in
28k
Diffgnd
Mono+
Mono -
SE1
SE2
SE3
10
0
k
100
k
100
k
10
0
k
10
0
k
相关PDF资料
PDF描述
TDA7405TR SPECIALTY CONSUMER CIRCUIT, PQFP44
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