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TDA7342N データシート(PDF) 17 Page - STMicroelectronics

部品番号 TDA7342N
部品情報  Digitally controlled audio processor
PDF  20 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7342N データシート(HTML) 17 Page - STMicroelectronics

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TDA7342
Software specification
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For example to select -47.81dB Volume the Data Byte is: 1 1 0 1 1 0 0 1
Power on RESET: All Bytes Set to 1 1 1 1 1 1 1 0
NB.
Purchase of I2C Components of STMicrolectronics, conveys a
license under the Philips I2C Patent Rights to use these
components in an I2C system, provided that the system conforms
to the I2C Standard Specifications as defined by Philips.
Table 12.
Volume
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
0.31db fine attenuation steps
0
0
0db
0
1
-0.31db
1
0
-0.62db
1
1
-0.94db
1.25db coarse attenuation steps
0
0
0
0db
0
0
1
-1.25db
0
1
0
-2.5db
0
1
1
-3.75db
1
0
0
-5db
1
0
1
-6.25db
1
1
0
-7.5db
1
1
1
-8.75db
10db gain / attenuation steps
0
0
0
20db
0
0
1
10db
0
1
0
0db
0
1
1
-10db
1
0
0
-20db
1
0
1
-30db
1
1
0
-40db
1
1
1
-50db



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