BU94501AMUV Datasheet, PDF (16/73 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card + iPod

BU9450xAxxx series
Datasheet
4. Audio line output
Audio line output
Signal name I/O
Function
LDACO O Lch audio line output
-
RDACO O Rch audio line output
-
Remarks
This is a line output of decoded music data.
When a sample rate converter is used in on, data on the sample rate 48kHz, 32kHz are changed into 44.1kHz and
outputted.
It turns ON when line output is selected by a command.
Figure 8. shows the relationship between audio outputs and volume steps.
The initial value is –24.1dB at power ON.
0
-10
-20
-30
-40
↓－∞
-50
Initial value: -24.1dB
-60
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
Volume step up
Figure 8. Volume Step Function
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TSZ22111・15・001
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TSZ02201-0V2V0E600070-1-2
2012.12.10 Rev.003