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WM8741 Datasheet(PDF) 33 Page - Cirrus Logic

Part # WM8741
Description  24-bit 192kHz DAC with Advanced Digital Filtering
PDF  66 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8741 Datasheet(HTML) 33 Page - Cirrus Logic

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Production Data
WM8741
w
PD, Rev 4.3, February 2013
33
MUTE MODES
0.000
0.020
0.040
0.060
0.080
0.100
0.120
0.140
Time (s)
Figure 24 Application and Release of Soft Mute
Figure 24 shows the application and release of SOFTMUTE for a full amplitude sinusoid being played
at 48kHz sampling rate. When SOFTMUTE (lower trace) is asserted, the WM8741 output (upper
trace) begins to decay exponentially from the DC level of the last input sample. The output decays
towards VMID in 1022x4/fs seconds. When SOFTMUTE is de-asserted, the signal gain will return to its
previous value.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R4
PCM Control
04h
3
SOFTMUTE
0
Soft mute select
0 = Normal operation
1 = Soft mute both channels
Table 31 Soft Mute Control



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