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TS4621ML bảng dữ liệu(PDF) 35 Page - STMicroelectronics

tên linh kiện TS4621ML
Giải thích chi tiết về linh kiện  High-performance class-G stereo headphone amplifier
PDF  40 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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TS4621ML bảng dữ liệu(HTML) 35 Page - STMicroelectronics

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TS4621ML
Application information
Doc ID 023181 Rev 1
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4.6.1
Common-mode sense layout
The TS4621ML implements a common-mode sense pin to correct any voltage differences
that might occur between the return of the headphone jack and the AGND of the device that
can create parasitic noise in the headphone and/or line out.
The solution to strongly reduce and practically eliminate this noise consists in connecting
the headphone jack ground to the CMS pin. This pin senses the difference of potential
(voltage noise) between the TS4621ML ground and the headphone ground. Thanks to the
frequency response and the attenuation of the common-mode sense pin, this noise is
removed from the TS4621ML outputs.
Figure 72.
Common-mode sense layout example
Common mode
sense pin
Output jack
connector
Ground plane



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