LC75421

Manufacturer Part NumberLC75421
DescriptionElectronic Volume Controller for Cars
ManufacturerSanyo Semiconductor Corporation
LC75421 datasheet
 


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Volume Control

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Volume Control

D16
D17
D18
D19
0
0
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
0
0
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
0
0
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
0
0
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
0
0
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
0
0
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
0
0
1
0
1
1
0
0
0
1
0
0
LC75421M
D20
D21
D22
D23
Operation
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
Continued on next page.
0dB
–1dB
–2dB
–3dB
–4dB
–5dB
–6dB
–7dB
–8dB
–9dB
–10dB
–11dB
–12dB
–13dB
–14dB
–15dB
–16dB
–17dB
–18dB
–19dB
–20dB
–21dB
–22dB
–23dB
–24dB
–25dB
–26dB
–27dB
–28dB
–29dB
–30dB
–31dB
–32dB
–33dB
–34dB
–35dB
–36dB
–37dB
–38dB
–39dB
–40dB
–41dB
–42dB
–43dB
–44dB
–45dB
–46dB
–47dB
–48dB
–49dB
–50dB
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