TDA7342 Datasheet, PDF (12/14 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7342
Volume
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
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
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
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