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LC75411ES Datasheet(PDF) 27 Page - Sanyo Semicon Device

Part No. LC75411ES
Description  Electronic Volume Controller for Car Audio Systems
Download  33 Pages
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LC75411ES Datasheet(HTML) 27 Page - Sanyo Semicon Device

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Usage Cautions
(1) Data transmission at power ON
• The status of internal analog switches is unstable at power ON. Therefore, perform muting or some other
countermeasure until the data has been set.
• At power ON, initial setting data must be sent once in order to stabilize the bias of each block in a short time.
(2) Description of zero-cross switching circuit operation
The LC75411ES and 75411WS have a function to switch zero-cross comparator signal detection locations, enabling
the selection of the optimum detection location for blocks whose data is to be updated. Basically, the switching noise
can be minimized by inputting the signal immediately following the block whose data is to be updated to the zero-
cross comparator, so it is necessary to switch the detection location every time.
LC75411ES, 75411WS Zero-Cross Detection Circuit
No. 6928-27/33
LC75411ES, 75411WS
Volume
Tone
Switch
Fader
Zero-cross
comparator
Selector


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